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Sahu P, Sahoo R, Sahu AK, Saluja SS, Behera B. Repurposing phytochemicals of Citrullus colocynthis against maltase-glucoamylase using molecular docking, MMGBSA, MD simulation and linear regression to identify potential anti-diabetic compounds. J Biomol Struct Dyn 2024; 42:5197-5206. [PMID: 37350097 DOI: 10.1080/07391102.2023.2225107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 06/09/2023] [Indexed: 06/24/2023]
Abstract
Diabetes is a common lifestyle disorder found in populations of different age groups. Maltase-glucoamylase catalyses the release of the glucose molecule in the final enzymatic reaction of starch digestion; therefore, inhibition of maltase-glucoamylase is one of the approaches in the development of therapeutics for diabetes. Citrullus colocynthis is commonly recommended in Ayurveda for the treatment of diabetes. The current study applied a structure-based drug design approach to repurpose the phytochemicals of Citrullus colocynthis to identify potential inhibitors for maltase-glucoamylase. 70 phytochemicals of Citrullus colocynthis were screened against maltase-glucoamylase and top 5 molecules 8-p-hydroxybenzylisovitexin, isoorientin, cucurbitacin B, cucurbitacin E, and cucurbitacin I with significant binding energy of -10 kcal/mol, -9.9 kcal/mol, -9.6 kcal/mol, -9.2 kcal/mol, and -7.7 kcal/mol were identified. Furthermore, MMGBSA, pharmacokinetics properties and toxicity prediction were performed on the five identified molecules and top 3 molecules were selected for molecular dynamics (MD) simulation. It was observed from the structural flexibility and dynamic behaviour of the systems that conformational changes were noticed in the complexes as compared to its native state, which suggests that the 3 molecules, namely 8-p-hydroxybenzylisovitexin, isoorientin, and cucurbitacin I of Citrullus colocynthis may act as inhibitors for maltase-glucoamylase.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Parameswar Sahu
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Post Graduate Medical Education and Research, New Delhi, India
| | - Rosaleen Sahoo
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
- Biochemical Sciences Division, CSIR-National Chemical Laboratory, Pune, Maharashtra, India
| | - Abhishek Kumar Sahu
- Department of Bioinformatics, Centre for Post Graduate Studies, Odisha University of Agriculture and Technology, Bhubaneswar, Odisha, India
| | - Sundeep Singh Saluja
- Central Molecular Laboratory, Govind Ballabh Pant Institute of Post Graduate Medical Education and Research, New Delhi, India
- Department of Gastrointestinal Surgery, Govind Ballabh Pant Institute of Post Graduate Medical Education and Research, New Delhi, India
| | - Banshidhar Behera
- Department of Dravyaguna, Ayurvedic and Unani Tibbia College, New Delhi, India
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2
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Nistor DI, Marc RA, Mureșan CC. Phytochemistry, nutritional composition, health benefits and future prospects of Mespilus germanica L. (Medlar): A review. Food Chem X 2024; 22:101334. [PMID: 38586220 PMCID: PMC10997830 DOI: 10.1016/j.fochx.2024.101334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 03/14/2024] [Accepted: 03/25/2024] [Indexed: 04/09/2024] Open
Abstract
Mespilus germanica L., commonly known as medlar, is one of two species of the Rosaceae family. The medlar plant has a long history of use in gastronomy and healthcare. Medlar waste is used to extract hazardous heavy metals from contaminated water. The nutritional value of M. germanica fruits comes from their composition of carbohydrates, carotenoids, amino acids, organic acids, proteins, vitamins, fatty acids, and vital components. M. germanica fruit contains a high concentration of important phenolic components, which contribute to its anti-diabetic and antioxidant properties. Additionally, several studies have identified diverse biological properties of the M. germanica plant, including the cytotoxic, neurodegenerative, and antibacterial properties of its fruits and leaves. Scientists are investigating underutilized plant species to address sustainability issues in food production. This review study will provide a comprehensive examination of its chemical composition, medical applications, plant waste utilization, and potential biological activities.
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Affiliation(s)
- Doru Ion Nistor
- Food Engineering Department, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
| | - Romina Alina Marc
- Food Engineering Department, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
| | - Crina Carmen Mureșan
- Food Engineering Department, Faculty of Food Science and Technology, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
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Han N, Woo KS, Lee JY, Lee HG, Lee J, Lee YY, Kim M, Kang MS, Kim HJ. Comparative study on the effects of grain blending on functional compound content and in vitro biological activity. Sci Rep 2024; 14:12638. [PMID: 38825591 PMCID: PMC11144691 DOI: 10.1038/s41598-024-63660-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Accepted: 05/30/2024] [Indexed: 06/04/2024] Open
Abstract
In this study, changes in bioactive compound contents and the in vitro biological activity of mixed grains, including oats, sorghum, finger millet, adzuki bean, and proso millet, with eight different blending ratios were investigated. The total phenolic compounds and flavonoid contents ranged from 14.43-16.53 mg gallic acid equivalent/g extract and 1.22-5.37 mg catechin equivalent/g extract, respectively, depending on the blending ratio. The DI-8 blend (30% oats, 30% sorghum, 15% finger millet, 15% adzuki bean, and 10% proso millet) exhibited relatively higher antioxidant and anti-diabetic effects than other blending samples. The levels of twelve amino acids and eight organic acids in the grain mixes were measured. Among the twenty metabolites, malonic acid, asparagine, oxalic acid, tartaric acid, and proline were identified as key metabolites across the blending samples. Moreover, the levels of lactic acid, oxalic acid, and malonic acid, which are positively correlated with α-glucosidase inhibition activity, were considerably higher in the DI-blending samples. The results of this study suggest that the DI-8 blend could be used as a functional ingredient as it has several bioactive compounds and biological activities, including anti-diabetic activity.
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Affiliation(s)
- Narae Han
- Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration, Suwon, 16613, Korea
| | - Koan Sik Woo
- Bioenergy Crop Research Institute, National Institute of Crop Science, Rural Development Administration, Muan, 58545, Korea
| | - Jin Young Lee
- Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration, Suwon, 16613, Korea
| | - Hyeon Gyu Lee
- Department of Food and Nutrition, Hanyang University, Seoul, 04763, Korea
| | - Junsoo Lee
- Department of Food Science and Biotechnology, Chungbuk National University, Cheongju, 28644, Korea
| | - Yu-Young Lee
- Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration, Suwon, 16613, Korea
| | - Mihyang Kim
- Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration, Suwon, 16613, Korea
| | - Moon Seok Kang
- Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration, Suwon, 16613, Korea
| | - Hyun-Joo Kim
- Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration, Suwon, 16613, Korea.
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4
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Hsu TY, Yang KM, Chiang YC, Lin LY, Chiang PY. The Browning Properties, Antioxidant Activity, and α-Glucosidase Inhibitory Improvement of Aged Oranges ( Citrus sinensis). Foods 2024; 13:1093. [PMID: 38611397 PMCID: PMC11011325 DOI: 10.3390/foods13071093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 03/29/2024] [Accepted: 03/30/2024] [Indexed: 04/14/2024] Open
Abstract
Oranges contain many natural active chemicals, organic acids, and polysaccharides. Aging processing is commonly used to modify the color, quality, functional components, and stability of fruits. This study assesses the preparation of aging black oranges using various pre-treatments and solid fermentation. Oranges were aged for six weeks in fresh, non-blanching, blanching, and hot air-assisted aging cycle (AA) groups. The oranges' shrinkage ratio, color difference values, and soluble solids content changed significantly (p < 0.05). Principal component analysis indicated that aging fermentation treatment accelerated glycolysis and increased the ratio of reducing sugars. The enhanced browning can be associated with the oxidation of ascorbic acid (0.66-0.47 mg/g) and the formation of 5-hydroxymethylfurfural (5-HMF) (0.09 mg/g). Furthermore, the presence of free polyphenols led to an increase in the total polyphenol and total flavonoid content. It also had a synergistic effect with 5-HMF in increasing the 2,2-diphenyl-1-picrylhydrazyl free radical-scavenging capacity and ferric ion-reducing antioxidant power (p < 0.05). AA had superior α-glucosidase inhibitory ability increasing from 67.31 to 80.48%. It also reduced the development time by 33%. Therefore, aging technology can enhance the bioactive compounds in oranges and provide a reference for future whole-fruit aging fermentation and health product creation.
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Affiliation(s)
- Ting-Yu Hsu
- Department of Food Science and Biotechnology, National Chung Hsing University, 145 Xingda Road, South Dist., Taichung City 40227, Taiwan; (T.-Y.H.); (Y.-C.C.)
| | - Kai-Min Yang
- Department of Food Science, National Quemoy University, 1 University Rd., Jinning Township, Kinmen County 89250, Taiwan;
| | - Yi-Chan Chiang
- Department of Food Science and Biotechnology, National Chung Hsing University, 145 Xingda Road, South Dist., Taichung City 40227, Taiwan; (T.-Y.H.); (Y.-C.C.)
| | - Li-Yun Lin
- Department of Food Science and Technology, Hungkuang University, No. 1018, Sec. 6, Taiwan Blvd., Shalu Dist., Taichung City 43302, Taiwan;
| | - Po-Yuan Chiang
- Department of Food Science and Biotechnology, National Chung Hsing University, 145 Xingda Road, South Dist., Taichung City 40227, Taiwan; (T.-Y.H.); (Y.-C.C.)
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5
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Cele N, Awolade P, Seboletswe P, Khubone L, Olofinsan K, Islam MS, Jordaan A, Warner DF, Singh P. Synthesis,Antidiabetic and Antitubercular Evaluation of Quinoline-pyrazolopyrimidine hybrids and Quinoline-4-Arylamines. ChemistryOpen 2024:e202400014. [PMID: 38506589 DOI: 10.1002/open.202400014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 02/29/2024] [Indexed: 03/21/2024] Open
Abstract
Two libraries of quinoline-based hybrids 1-(7-chloroquinolin-4-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine and 7-chloro-N-phenylquinolin-4-amine were synthesized and evaluated for their α-glucosidase inhibitory and antioxidant properties. Compounds with 4-methylpiperidine and para-trifluoromethoxy groups, respectively, showed the most promising α-glucosidase inhibition activity with IC50 =46.70 and 40.84 μM, compared to the reference inhibitor, acarbose (IC50 =51.73 μM). Structure-activity relationship analysis suggested that the cyclic secondary amine pendants and para-phenyl substituents account for the variable enzyme inhibition. Antioxidant profiling further revealed that compounds with an N-methylpiperazine and N-ethylpiperazine ring, respectively, have good DPPH scavenging abilities with IC50 =0.18, 0.58 and 0.93 mM, as compared to ascorbic acid (IC50 =0.05 mM), while the best DPPH scavenger is NO2 -substituted compound (IC50 =0.08 mM). Also, compound with N-(2-hydroxyethyl)piperazine moiety emerged as the best NO radical scavenger with IC50 =0.28 mM. Molecular docking studies showed that the present compounds are orthosteric inhibitors with their quinoline, pyrimidine, and 4-amino units as crucial pharmacophores furnishing α-glucosidase binding at the catalytic site. Taken together, these compounds exhibit dual potentials; i. e., potent α-glucosidase inhibitors and excellent free radical scavengers. Hence, they may serve as structural templates in the search for agents to manage Type 2 diabetes mellitus. Finally, in preliminary assays investigating the anti-tubercular potential of these compounds, two pyrazolopyrimidine series compounds and a 7-chloro-N-phenylquinolin-4-amine hybrid showed sub-10 μM whole-cell activities against Mycobacterium tuberculosis.
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Affiliation(s)
- Nosipho Cele
- School of Chemistry and Physics, University of KwaZulu-Natal, P/Bag X54001, Westville, Durban, South Africa
| | - Paul Awolade
- School of Chemistry and Physics, University of KwaZulu-Natal, P/Bag X54001, Westville, Durban, South Africa
| | - Pule Seboletswe
- School of Chemistry and Physics, University of KwaZulu-Natal, P/Bag X54001, Westville, Durban, South Africa
| | - Lungisani Khubone
- School of Chemistry and Physics, University of KwaZulu-Natal, P/Bag X54001, Westville, Durban, South Africa
| | - Kolawole Olofinsan
- Department of Biochemistry, School of Life Sciences, University of Kwazulu-Natal, Westville, Durban, South Africa
| | - Md Shahidul Islam
- Department of Biochemistry, School of Life Sciences, University of Kwazulu-Natal, Westville, Durban, South Africa
| | - Audrey Jordaan
- Molecular Mycobacteriology Research Unit, Department of Pathology and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, 7925, South Africa
| | - Digby F Warner
- Molecular Mycobacteriology Research Unit, Department of Pathology and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Observatory, 7925, South Africa
| | - Parvesh Singh
- School of Chemistry and Physics, University of KwaZulu-Natal, P/Bag X54001, Westville, Durban, South Africa
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Ghannay S, Aldhafeeri BS, Ahmad I, E.A.E. Albadri A, Patel H, Kadri A, Aouadi K. Identification of dual-target isoxazolidine-isatin hybrids with antidiabetic potential: Design, synthesis, in vitro and multiscale molecular modeling approaches. Heliyon 2024; 10:e25911. [PMID: 38380049 PMCID: PMC10877290 DOI: 10.1016/j.heliyon.2024.e25911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 01/08/2024] [Accepted: 02/05/2024] [Indexed: 02/22/2024] Open
Abstract
In the development of novel antidiabetic agents, a novel series of isoxazolidine-isatin hybrids were designed, synthesized, and evaluated as dual α-amylase and α-glucosidase inhibitors. The precise structures of the synthesized scaffolds were characterized using different spectroscopic techniques and elemental analysis. The obtained results were compared to those of the reference drug, acarbose (IC50 = 296.6 ± 0.825 μM for α-amylase & IC50 = 780.4 ± 0.346 μM for α-glucosidase). Among the title compounds, 5d exhibited impressive α-amylase and α-glucosidase inhibitory activity with IC50 values of 30.39 ± 1.52 μM and 65.1 ± 3.11 μM, respectively, followed by 5h (IC50 = 46.65 ± 2.3 μM; IC50 = 85.16 ± 4.25 μM) and 5f (IC50 = 55.71 ± 2.78 μM; IC50 = 106.77 ± 5.31 μM). Mechanistic studies revealed that the most potent derivative 5d bearing the chloro substituent attached to the oxoindolin-3-ylidene core, and acarbose, are a competitive inhibitors of α-amylase and α-glucosidase, respectively. Structure activity relationship (SAR) was examined to guide further structural optimization of the most appropriate substituent(s). Moreover, drug-likeness qualities and ADMET prediction of the most active analogue, 5d was also performed. Subsequently, 5d was subjected to molecular docking and dynamic simulation during the progression of 120 ns analysis to check the essential ligand-receptor patterns, and to estimate its stability. In silico studies were found in good agreement with the in vitro enzymatic inhibitions results. In conclusion, we demonstrated that most potent compound 5d could be exploited as dual potential inhibitor of α-amylase and α-glucosidase for possible management of diabetes.
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Affiliation(s)
- Siwar Ghannay
- Department of Chemistry, College of Science, Qassim University, Buraidah, 51452, Saudi Arabia
| | - Budur Saleh Aldhafeeri
- Department of Chemistry, College of Science, Qassim University, Buraidah, 51452, Saudi Arabia
| | - Iqrar Ahmad
- Division of Computer Aided Drug Design, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, 425405, Maharashtra, India
| | - Abuzar E.A.E. Albadri
- Department of Chemistry, College of Science, Qassim University, Buraidah, 51452, Saudi Arabia
| | - Harun Patel
- Division of Computer Aided Drug Design, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, 425405, Maharashtra, India
| | - Adel Kadri
- Faculty of Science and Arts in Baljurashi, Al-Baha University, P.O. Box (1988), Al-Baha, 65527, Saudi Arabia
- Faculty of Science of Sfax, Department of Chemistry, University of Sfax, B.P. 1171, 3000, Sfax, Tunisia
| | - Kaiss Aouadi
- Department of Chemistry, College of Science, Qassim University, Buraidah, 51452, Saudi Arabia
- Department of Chemistry, Laboratory of Heterocyclic Chemistry Natural Product and Reactivity/CHPNR, Faculty of Science of Monastir, University of Monastir, Avenue of the Environment, Monastir, 5019, Tunisia
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7
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Sabarathinam S, Rajappan Chandra SK, Satheesh S. Network pharmacology based pharmacokinetic assessment and evaluation of the therapeutic potential of catechin derivatives as a potential myostatin inhibitor: A special view on Sarcopenic Obesity. Nat Prod Res 2024; 38:856-860. [PMID: 36941755 DOI: 10.1080/14786419.2023.2191197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 03/08/2023] [Indexed: 03/23/2023]
Abstract
Sarcopenic obesity has become a significant age-related metabolic problem. Catechins are flavanol, derivatives which poses a strong antioxidant activity. The major components of catechin derivatives. were identified through our physicochemical and pharmacokinetic parameters estimation. Therefore, in this study, network pharmacology was used to explore the multiple targets related to Sarcopenia, Metabolic syndrome, and obesity. The targets were identified from network analysis. The catechin derivatives were screened using Lipinski's rule of five, Veber scale, Egan scale, and Muegge scale. From this drugglikness property catechin and Epicatechin was selected which were docked towards the myostatin inhibition PDB ID: 3HH2. Furthermore, the computational docking method on Catechin and Epicatechin with the stronger interaction towards myostatin inhibition receptor with the binding energy of -6.90 kcal/mol. and -7.0 kcal/mol from autodock software, respectively, for catechin and Epicatechin. Higher binding energy confirms the pharmacotherapeutic activity of Catechin and Epicatechin toward the myostatin inhibitor target.
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Affiliation(s)
- Sarvesh Sabarathinam
- Interdisciplinary Institute of Indian System of Medicine (IIISM) SRM Institute of Science & Technology, Kattankulathur-603203, Chengalpattu, Tamil Nadu, India
| | - Satish Kumar Rajappan Chandra
- Interdisciplinary Institute of Indian System of Medicine (IIISM) SRM Institute of Science & Technology, Kattankulathur-603203, Chengalpattu, Tamil Nadu, India
| | - Sanjana Satheesh
- Department of Biotechnology, Birla Institute of Technology and Science, Dubai Campus, Dubai International Academic City, Dubai, P.O. Box 345055, United Arab Emirates
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8
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Matussin S, Khan F, Chandika P, Harunsani MH, Ahmad N, Kim YM, Jung WK, Khan MM. α-Glucosidase Inhibitory Activity and Cytotoxicity of CeO 2 Nanoparticles Fabricated Using a Mixture of Different Cerium Precursors. ACS OMEGA 2024; 9:157-165. [PMID: 38222507 PMCID: PMC10785273 DOI: 10.1021/acsomega.3c02524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 10/03/2023] [Indexed: 01/16/2024]
Abstract
A mixture of three distinct cerium precursors (Ce(NO3)3·6H2O, CeCl3·7H2O, and Ce(CH3COO)3·H2O) was used to prepare cerium oxide nanoparticles (CeO2 NPs) in a polyol-mediated synthesis. Different ratios of diethylene glycol (DEG) and H2O were utilized in the synthesis. The properties of the synthesized CeO2 NPs, such as structural and morphological properties, were investigated to observe the effect of the mixed cerium precursors. Crystallite sizes of 7-8 nm were obtained for all samples, and all synthesized samples were confirmed to be in the cubic phase. The average particle sizes of the spherical CeO2 were between 9 and 13 nm. The successful synthesis of CeO2 can also be confirmed via the vibrational band of Ce-O from the FTIR. Antidiabetic properties of the synthesized CeO2 NPs were investigated using α-glucosidase enzyme inhibition assay, and the concentration of the synthesized CeO2 NPs was varied in the study. The biocompatibility properties of the synthesized CeO2 NPs were investigated via cytotoxicity tests, and it was found that all synthesized materials showed no cytotoxic properties at lower concentrations (62.5-125 μg/mL).
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Affiliation(s)
- Shaidatul
Najihah Matussin
- Chemical
Sciences, Faculty of Science, Universiti
Brunei Darussalam, Jalan Tungku Link, Gadong, BE 1410, Brunei Darussalam
| | - Fazlurrahman Khan
- Institute
of Fisheries Sciences, Pukyong National
University, Busan 48513, Republic
of Korea
- Marine
Integrated Biomedical Technology Center, The National Key Research
Institutes in Universities, Pukyong National
University, Busan 48513, Republic of Korea
- Research
Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic
of Korea
| | - Pathum Chandika
- Marine
Integrated Biomedical Technology Center, The National Key Research
Institutes in Universities, Pukyong National
University, Busan 48513, Republic of Korea
- Research
Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic
of Korea
| | - Mohammad Hilni Harunsani
- Chemical
Sciences, Faculty of Science, Universiti
Brunei Darussalam, Jalan Tungku Link, Gadong, BE 1410, Brunei Darussalam
| | - Norhayati Ahmad
- Environmental
and Life Sciences, Faculty of Science, Universiti
Brunei Darussalam, Jalan
Tungku Link, Gadong BE
1410, Brunei Darussalam
- Institute
for Biodiversity and Environmental Research, Universiti Brunei Darussalam, Gadong, BE 1410, Brunei
Darussalam
| | - Young-Mog Kim
- Marine
Integrated Biomedical Technology Center, The National Key Research
Institutes in Universities, Pukyong National
University, Busan 48513, Republic of Korea
- Research
Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic
of Korea
- Department
of Food Science and Technology, Pukyong
National University, Busan 48513, Republic
of Korea
| | - Won-Kyo Jung
- Marine
Integrated Biomedical Technology Center, The National Key Research
Institutes in Universities, Pukyong National
University, Busan 48513, Republic of Korea
- Research
Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic
of Korea
- Major
of Biomedical Engineering, Division of Smart Healthcare and New-Senior
Healthcare Innovation Center (BK21 Plus), Pukyong National University, Busan 48513, Republic
of Korea
| | - Mohammad Mansoob Khan
- Chemical
Sciences, Faculty of Science, Universiti
Brunei Darussalam, Jalan Tungku Link, Gadong, BE 1410, Brunei Darussalam
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9
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Sonia H, Chelleng N, Afzal NU, Manna P, Puzari M, Chetia P, Tamuly C. Anti-diabetic and anti-urease inhibition potential of Amomum dealbatum Roxb. seeds through a bioassay-guided approach. Nat Prod Res 2024:1-6. [PMID: 38189677 DOI: 10.1080/14786419.2023.2301679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 12/29/2023] [Indexed: 01/09/2024]
Abstract
Using HPLC-PDA and HRMS analysis, five compounds p-coumaric acid, sinapic acid, quercetin, trans-ferulic and gallic acid were identified in seeds of Amomum dealbatum Roxb. The GC-MS analysis identified 1-dodecanol, phenol, 3,5-bis(1,1-dimethylethyl), Oleic Acid and 1-Heptacosanol which possess anti-diabetic properpties. A bioassay-guided technique was used to determine the degree of inhibition that A. dealbatum seeds crude methanol extract and its most active sub-fraction had against the α-glucosidase and Helicobacter pylori urease enzymes. In the Rat L6 myoblast cell line, glucose absorption through the GLUT4 transporter of most active subfraction (EASF80) was examined. According to a molecular docking investigation, these compounds strongly interacted with the GLUT4 transporter, H pylori and α-glucosidase enzyme. Sinapic acid interacted most strongly with the H. pylori urease enzyme while gallic acid interacted with both the α-glucosidase enzyme and the GLUT4 transporter. Additionally, a molecular docking simulation study was carried out to recognise the stability of the complexes.
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Affiliation(s)
- Hage Sonia
- CSIR-North East Institute of Science and Technology, Arunachal, India
- Academy of Scientific and Innovative Research, Ghaziabad, India
| | - Nilamoni Chelleng
- CSIR-North East Institute of Science and Technology, Arunachal, India
- Academy of Scientific and Innovative Research, Ghaziabad, India
| | - Nazim Uddin Afzal
- CSIR-North East Institute of Science and Technology, Arunachal, India
- Academy of Scientific and Innovative Research, Ghaziabad, India
| | - Prasenjit Manna
- Academy of Scientific and Innovative Research, Ghaziabad, India
- CSIR-North East Institute of Science and Technology, Jorhat, India
| | - Minakshi Puzari
- Department of Life Sciences, Dibrugarh University, Dibrugarh, India
| | - Pankaj Chetia
- Department of Life Sciences, Dibrugarh University, Dibrugarh, India
| | - Chandan Tamuly
- CSIR-North East Institute of Science and Technology, Arunachal, India
- Academy of Scientific and Innovative Research, Ghaziabad, India
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10
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Cui Z, Huang H, Du T, Chen J, Huang S, Dai Q. Integrated transcriptome and metabolome revealed the drought responsive metabolic pathways in Oriental Lily (Lilium L.). PeerJ 2023; 11:e16658. [PMID: 38130923 PMCID: PMC10734436 DOI: 10.7717/peerj.16658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 11/21/2023] [Indexed: 12/23/2023] Open
Abstract
Objective Lily is an essential ornamental flowering species worldwide. Drought stress is a major constraint affecting the morphology and physiology and lily leaves and flowers. Therefore, understanding the molecular mechanism underlying lily response to drought stress is important. Method Transcriptome and metabolome analysis were performed on Oriental Lily subjected to drought stress. Result Most transcription factors and metabolites yielded by the conjoint analysis displayed a downregulated expression pattern. Differential genes and metabolites mainly co-enriched in glycolic pathways related to sugars, such as galactose, and sucrose, glycolysis and gluconeogenesis, indicating that drought stress reduced the sugar metabolism level of Oriental Lily. Combined with transcriptome and metabolome data, nine pairs of differentially expressed metabolites and the genes (p < 0.05) were obtained. Interestingly, a gene named TRINITY_DN2608 (encoding a type of alpha-D-glucose) cloned and its overexpression lines in Arabidopsis thaliana was generated. Overexpression of TRINITY_DN2608 gene elevated the susceptibility to drought stress possibly by suppressing the glucose level. Conclusion The enrichment of sugar-related pathways advocates the potential role of glucose metabolism in drought stress. Our study provides theoretical information related to the glucose-mediated drought response and would be fruitful in future lily breeding programs.
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Affiliation(s)
- Zhenkui Cui
- Department of Landscape Architecture, Fujian Forestry Vocational & Technical College, Nanping, Fujian, China
| | - Huaming Huang
- Department of Landscape Architecture, Fujian Forestry Vocational & Technical College, Nanping, Fujian, China
| | - Tianqing Du
- College of Agriculture, Shanxi Agricultural University, Taigu, Shanxi, China
| | - Jianfeng Chen
- Department of Landscape Architecture, Fujian Forestry Vocational & Technical College, Nanping, Fujian, China
| | - Shuyan Huang
- Department of Landscape Architecture, Fujian Forestry Vocational & Technical College, Nanping, Fujian, China
| | - Qushun Dai
- Department of Landscape Architecture, Fujian Forestry Vocational & Technical College, Nanping, Fujian, China
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11
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Ismail S, Chandel TI, Ramakrishnan J, Khan RH, Poomani K, Devarajan N. Phytochemical profiling, human insulin stability and alpha glucosidase inhibition of Gymnema latifolium leaves aqueous extract: Exploring through experimental and in silico approach. Comput Biol Chem 2023; 107:107964. [PMID: 37820470 DOI: 10.1016/j.compbiolchem.2023.107964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 09/13/2023] [Accepted: 09/24/2023] [Indexed: 10/13/2023]
Abstract
Diabetes mellitus Type 2 (DM2T) is a rapidly expanding metabolic endocrine disorder worldwide. It is caused due to inadequate insulin secretion by pancreatic beta cells as well as development of insulin resistance. This study aimed to investigate the anti-α-glucosidase, insulin stabilization effect, and non-cytotoxic nature of Gymnema latifolium leaf aqueous extract (GLAE). FTIR analysis revealed the functional groups of compounds present in GLAE. Through LC/ESI-MS/MS analysis, about 12 compounds which belongs to different classes, triterpene glycosides, flavonoids, phenolics, stilbene glycosides and chlorophenolic glycosides were identified. GLAE showed in vitro antioxidant activity. GLAE stabilized insulin by increasing its α-helical content. GLAE inhibited the mammalian α-glucosidase (IC50 = 144 μg/mL) activity through competitive mode (Ki = 61.30 µg/mL). GLAE did not affect the viability of normal cell line (Vero cell line) which shows its non-toxic nature. Molecular docking of phytocompounds identified in GLAE was done with human α-glucosidase and insulin. The top 2 compounds [Gymnema saponin V (GSV) and quercetin 3-(2-galloylglucoside) (QGG) with α-glucosidase; GSV and Z)-resveratrol 3,4'-diglucoside (RDG) with human insulin] with low binding free energy were subjected to 100 ns molecular dynamics simulation to ascertain the stable binding of ligand with protein. The MM/GBSA analysis revealed binding free energy of GSV/α-glucosidase and QGG /α-glucosidase to be - 20.9935 and, - 30.9461 kcal/mol, respectively. Altogether GLAE is valuable source of anti-α-glucosidase inhibitors and insulin stabilizing compounds, suggesting potential lead for further exploration as complementary medicine against DM2T.
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Affiliation(s)
- Shahanaj Ismail
- Natural Drug Research laboratory, Department of Biotechnology, Periyar University, Salem, Tamil Nadu 636011, India
| | - Tajalli Ilm Chandel
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, Uttar Pardesh, India
| | - Jaganathan Ramakrishnan
- Laboratory of Biocrystallography and Computational Molecular Biology, Department of Physics, Periyar University, Salem, Tamil Nadu 636011, India
| | - Rizwan Hasan Khan
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, Uttar Pardesh, India
| | - Kumaradhas Poomani
- Laboratory of Biocrystallography and Computational Molecular Biology, Department of Physics, Periyar University, Salem, Tamil Nadu 636011, India
| | - Natarajan Devarajan
- Natural Drug Research laboratory, Department of Biotechnology, Periyar University, Salem, Tamil Nadu 636011, India.
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12
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Fatmawati S, Auwaliyah F, Yuliana, Hasanah N, Putri DA, Kainama H, Choudhary MI. Antioxidant and α-glucosidase inhibitory activities of compound isolated from Stachytarpheta jamaicensis (L) Vahl. leaves. Sci Rep 2023; 13:18597. [PMID: 37903808 PMCID: PMC10616201 DOI: 10.1038/s41598-023-45357-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 10/18/2023] [Indexed: 11/01/2023] Open
Abstract
Stachytarpheta jamaicensis is one of the folk medicines used for the treatment of diabetes in Ambon, Indonesia, but there are limited studies on the bioactivities of its constituents. This study aims to assess the antioxidant and antidiabetic activities of four extracts of S. jamaicensis leaves extracted using several solvents. Bioassay guided fractionation on each extract establishes for exploring S. jamaicensis leaves active compounds. The antioxidant was evaluated using the DPPH and ABTS methods, while the α-glucosidase inhibitory was carried out in vitro assay. The results showed that the methanol extract of S. jamaicensis leaves displays inhibition of DPPH, ABTS and α-glucosidase activity compared to other solvent extracts. Furthermore, 6β-hydroxyipolamiide was successfully isolated from the methanol extract of S. jamicensis leaves which was reported to have α-glucosidase inhibitory activity with an IC50 of 539.17 μg/mL. Based on the results, S. jamaicensis could be recommended as an antioxidant and antidiabetic agent.
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Affiliation(s)
- Sri Fatmawati
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember, Jawa Timur, Surabaya, 60111, Indonesia.
| | - Fithrotul Auwaliyah
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember, Jawa Timur, Surabaya, 60111, Indonesia
| | - Yuliana
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember, Jawa Timur, Surabaya, 60111, Indonesia
| | - Nur Hasanah
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember, Jawa Timur, Surabaya, 60111, Indonesia
| | - Devi Anggraini Putri
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember, Jawa Timur, Surabaya, 60111, Indonesia
- Department of Medical Laboratory Technology, Sekolah Tinggi Ilmu Kesehatan Ngudia Husada Madura, Bangkalan, 69116, Indonesia
| | - Healthy Kainama
- Laboratory of Chemistry, Chemistry Education Study Program, Faculty of Teacher Training and Educational Sciences, Pattimura University, Ambon, 97234, Indonesia
| | - Muhammad Iqbal Choudhary
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan.
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13
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Domínguez-Perles R, García-Viguera C, Medina S. New anti-α-Glucosidase and Antioxidant Ingredients from Winery Byproducts: Contribution of Alkyl Gallates. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:14615-14625. [PMID: 37766493 PMCID: PMC10571075 DOI: 10.1021/acs.jafc.3c03759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 09/14/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023]
Abstract
Wine-making activity entails the production of solid and semisolid byproducts (grape stems and pomace and wine lees) that negatively impact the environment and industrial sustainability. Their features as sources of bioactive compounds support valorization procedures for functional and healthy ingredients. This work uncovers the quantitative alkyl gallates (gallic acid esters, C1-C12) profile of fresh (freeze-dried) materials and the effect of oven-drying on their stability by UHPLC-ESI-QqQ-MS/MS. The functionality was established concerning DPPH• scavenging and antihyperglycemic power. Wine lees exerted the highest high-free concentration of galloyl derivatives, ethyl gallate being the most abundant ester (3472.62 ng/g dw, on average). About the impact of the stabilization process, although as a general trend, the thermal treatment reduced the concentration, the reduction dimensions depended on the compound/matrix, remaining in valuable concentrations. Concerning radical scavenging, ze-dried stems and pomace displayed the highest capacity (24.11 and 18.46 mg TE/g dw, respectively), being correlated with propyl gallate (r2 = 0.690), butyl gallate (r2 = 0.686), and octyl gallate (r2 = 0.514). These two matrices exerted α-glucosidase inhibitory activity (1.58 and 1.46 units/L) equivalent to that of acarbose (a recognized α-glucosidase inhibitor). The newly described bioactive phytochemicals in winery residues (galloyl esters) and their correlation with functional traits allow for envisioning valorization alternatives.
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Affiliation(s)
- Raúl Domínguez-Perles
- Laboratorio de Fitoquímica y
Alimentos Saludables (LabFAS), CEBAS-CSIC, Campus of the University of Murcia-25, Espinardo, Murcia 30100, Spain
| | - Cristina García-Viguera
- Laboratorio de Fitoquímica y
Alimentos Saludables (LabFAS), CEBAS-CSIC, Campus of the University of Murcia-25, Espinardo, Murcia 30100, Spain
| | - Sonia Medina
- Laboratorio de Fitoquímica y
Alimentos Saludables (LabFAS), CEBAS-CSIC, Campus of the University of Murcia-25, Espinardo, Murcia 30100, Spain
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14
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Guddeti DK, Kolukula A, Siva B, Jadav SS, Tiwari AK, Komati A, Andugulapati SB, Ramalingam V, Katragadda SB. Synthesis of aminomethyl linked (+)-usnic acid derivatives via the Mannich reaction and evaluation of their biological activities. Nat Prod Res 2023:1-7. [PMID: 37812197 DOI: 10.1080/14786419.2023.2263900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 09/20/2023] [Indexed: 10/10/2023]
Abstract
(+)-Usnic acid (UA), a natural dibenzofuran derivative, abundantly produced by lichens and possess wide number of biomedical applications including antibacterial, anti-inflammatory, anti-oxidant and anticancer activities. In the present study, as series of usnic acid derivatives (3a-3i) were synthesised using Mannich reaction assessed for their antioxidant, α-glucosidase, and anticancer activities. The in vitro antioxidant activity showed that compound 3d displayed potent antioxidant activity by scavenging the activities of DPPH and ABTS+. The compounds 3d and 3e showed potent cytotoxic activity against HepG2 cancer cells by arresting the cell cycle at S phase and regulating the Bax/BcL2 expression and subsequently induce the apoptosis. Overall, the results clearly indicated that (+)-usnic acid derivatives bearing secondary amines are useful scaffolds for the development of drug candidates for treatment of oxidative stress mediated cancer and metabolic disorders.
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Affiliation(s)
- Dileep Kumar Guddeti
- Department of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Ashwini Kolukula
- Department of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
| | - Bandi Siva
- Department of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
| | - Surender Singh Jadav
- Department of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Ashok K Tiwari
- Department of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Anusha Komati
- Department of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Sai Balaji Andugulapati
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
| | - Vaikundamoorthy Ramalingam
- Department of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Suresh Babu Katragadda
- Department of Natural Products and Medicinal Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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15
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Kumari S, Saini R, Bhatnagar A, Mishra A. Exploring plant-based alpha-glucosidase inhibitors: promising contenders for combatting type-2 diabetes. Arch Physiol Biochem 2023:1-16. [PMID: 37767958 DOI: 10.1080/13813455.2023.2262167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023]
Abstract
Objective: This systematic review aimed to provide comprehensive details on the α-G inhibitory potential of various bioactive compounds derived from natural sources.Methods: A comprehensive literature search was conducted using various databases and search engines, including Science Direct, Google Scholar, SciFinder, Web of Science, and PubMed until May, 2023.Results and conclusions: The enzyme alpha-glucosidase (α-G) is found in the brush border epithelium of the small intestine and consists of duplicated glycoside hydrolase (GH31) domain. It involves the conversion of disaccharides and oligosaccharides into monosaccharides by acting on alpha (1 → 4) and (1 → 6) linked glucose residue. Once absorbed, glucose enters the bloodstream and elevates postprandial glucose, which is associated with the development of type 2 Diabetes (T2D). Epidemic obesity, cardiovascular disease, and nephropathy are linked to T2D. Traditional medicinal plants with α-G inhibitory potential are commonly used to treat T2D due to the adverse effects of currently used α-G inhibitors miglitol, acarbose, and voglibose. Various bioactive compounds derived from natural sources, including lupenone, Wilforlide A, Baicalein, Betulinic acid, Ursolic acid, Oleanolic acid, Katononic acid, Carnosol, Hypericin, Astilbin, lupeol, betulonic acid, Fagomine, Lactucaxanthin, Erythritol, GP90-1B, Procyanidins, Galangin, and vomifoliol retain α-G inhibitory potential for regulating hyperglycaemia.
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Affiliation(s)
- Sonali Kumari
- School of Biochemical Engineering, Indian Institute of Technology (BHU), Varanasi, India
| | - Ravi Saini
- School of Biochemical Engineering, Indian Institute of Technology (BHU), Varanasi, India
| | - Aditi Bhatnagar
- School of Biochemical Engineering, Indian Institute of Technology (BHU), Varanasi, India
| | - Abha Mishra
- School of Biochemical Engineering, Indian Institute of Technology (BHU), Varanasi, India
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16
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Álvarez-Almazán S, Solís-Domínguez LC, Duperou-Luna P, Fuerte-Gómez T, González-Andrade M, Aranda-Barradas ME, Palacios-Espinosa JF, Pérez-Villanueva J, Matadamas-Martínez F, Miranda-Castro SP, Mercado-Márquez C, Cortés-Benítez F. Anti-Diabetic Activity of Glycyrrhetinic Acid Derivatives FC-114 and FC-122: Scale-Up, In Silico, In Vitro, and In Vivo Studies. Int J Mol Sci 2023; 24:12812. [PMID: 37628991 PMCID: PMC10454726 DOI: 10.3390/ijms241612812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/07/2023] [Accepted: 08/12/2023] [Indexed: 08/27/2023] Open
Abstract
Type 2 diabetes (T2D) is one of the most common diseases and the 8th leading cause of death worldwide. Individuals with T2D are at risk for several health complications that reduce their life expectancy and quality of life. Although several drugs for treating T2D are currently available, many of them have reported side effects ranging from mild to severe. In this work, we present the synthesis in a gram-scale as well as the in silico and in vitro activity of two semisynthetic glycyrrhetinic acid (GA) derivatives (namely FC-114 and FC-122) against Protein Tyrosine Phosphatase 1B (PTP1B) and α-glucosidase enzymes. Furthermore, the in vitro cytotoxicity assay on Human Foreskin fibroblast and the in vivo acute oral toxicity was also conducted. The anti-diabetic activity was determined in streptozotocin-induced diabetic rats after oral administration with FC-114 or FC-122. Results showed that both GA derivatives have potent PTP1B inhibitory activity being FC-122, a dual PTP1B/α-glucosidase inhibitor that could increase insulin sensitivity and reduce intestinal glucose absorption. Molecular docking, molecular dynamics, and enzymatic kinetics studies revealed the inhibition mechanism of FC-122 against α-glucosidase. Both GA derivatives were safe and showed better anti-diabetic activity in vivo than the reference drug acarbose. Moreover, FC-114 improves insulin levels while decreasing LDL and total cholesterol levels without decreasing HDL cholesterol.
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Affiliation(s)
- Samuel Álvarez-Almazán
- Laboratory of Biotechnology, Unidad de Posgrado, Facultad de Estudios Superiores Cuautitlán Campus 1, Universidad Nacional Autónoma de México, Cuautitlán Izcalli 54740, Mexico; (S.Á.-A.); (L.C.S.-D.); (T.F.-G.); (M.E.A.-B.); (S.P.M.-C.)
| | - Luz Cassandra Solís-Domínguez
- Laboratory of Biotechnology, Unidad de Posgrado, Facultad de Estudios Superiores Cuautitlán Campus 1, Universidad Nacional Autónoma de México, Cuautitlán Izcalli 54740, Mexico; (S.Á.-A.); (L.C.S.-D.); (T.F.-G.); (M.E.A.-B.); (S.P.M.-C.)
| | - Paulina Duperou-Luna
- Laboratory of Synthesis and Isolation of Bioactive Substances, Departamento de Sistemas Biológicos, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana–Xochimilco (UAM–X), Mexico City 04960, Mexico; (P.D.-L.); (J.F.P.-E.); (J.P.-V.); (F.M.-M.)
| | - Teresa Fuerte-Gómez
- Laboratory of Biotechnology, Unidad de Posgrado, Facultad de Estudios Superiores Cuautitlán Campus 1, Universidad Nacional Autónoma de México, Cuautitlán Izcalli 54740, Mexico; (S.Á.-A.); (L.C.S.-D.); (T.F.-G.); (M.E.A.-B.); (S.P.M.-C.)
| | - Martin González-Andrade
- Laboratory of Biosensors and Molecular Modelling, Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - María E. Aranda-Barradas
- Laboratory of Biotechnology, Unidad de Posgrado, Facultad de Estudios Superiores Cuautitlán Campus 1, Universidad Nacional Autónoma de México, Cuautitlán Izcalli 54740, Mexico; (S.Á.-A.); (L.C.S.-D.); (T.F.-G.); (M.E.A.-B.); (S.P.M.-C.)
| | - Juan Francisco Palacios-Espinosa
- Laboratory of Synthesis and Isolation of Bioactive Substances, Departamento de Sistemas Biológicos, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana–Xochimilco (UAM–X), Mexico City 04960, Mexico; (P.D.-L.); (J.F.P.-E.); (J.P.-V.); (F.M.-M.)
| | - Jaime Pérez-Villanueva
- Laboratory of Synthesis and Isolation of Bioactive Substances, Departamento de Sistemas Biológicos, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana–Xochimilco (UAM–X), Mexico City 04960, Mexico; (P.D.-L.); (J.F.P.-E.); (J.P.-V.); (F.M.-M.)
| | - Félix Matadamas-Martínez
- Laboratory of Synthesis and Isolation of Bioactive Substances, Departamento de Sistemas Biológicos, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana–Xochimilco (UAM–X), Mexico City 04960, Mexico; (P.D.-L.); (J.F.P.-E.); (J.P.-V.); (F.M.-M.)
| | - Susana Patricia Miranda-Castro
- Laboratory of Biotechnology, Unidad de Posgrado, Facultad de Estudios Superiores Cuautitlán Campus 1, Universidad Nacional Autónoma de México, Cuautitlán Izcalli 54740, Mexico; (S.Á.-A.); (L.C.S.-D.); (T.F.-G.); (M.E.A.-B.); (S.P.M.-C.)
| | - Crisóforo Mercado-Márquez
- Isolation and Animal Facility Unit, Facultad de Estudios Superiores Cuautitlán 28, Universidad Nacional Autónoma de México, Cuautitlán Izcalli 54714, Mexico;
| | - Francisco Cortés-Benítez
- Laboratory of Synthesis and Isolation of Bioactive Substances, Departamento de Sistemas Biológicos, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana–Xochimilco (UAM–X), Mexico City 04960, Mexico; (P.D.-L.); (J.F.P.-E.); (J.P.-V.); (F.M.-M.)
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17
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Pratap Singh R, Pattnaik AK. Anti-obesity potential of bioactive guided fractions of Annona squamosa linn. leaves extract: a combination of in-vitro, in-vivo and in-silico studies along with profiling of lead compounds by HPTLC MS-MS n method. 3 Biotech 2023; 13:171. [PMID: 37188295 PMCID: PMC10169983 DOI: 10.1007/s13205-023-03603-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 04/29/2023] [Indexed: 05/17/2023] Open
Abstract
The antiobesity potential of bioactive fractions derived from Annona squamosa was approached using a combination of in vitro, in silico and in-vivo studies. The study was analyzed to validate and select the potent bioactive fractions of A. squamosa leaves extract through in vitro and in vivo activities targeting obesity. The phytochemical properties of the bioactive fractions were investigated utilizing total flavonoid, total phenolic and total steroidal content. Further, in vitro antioxidant assays such as nitric oxide (NO2), DPPH, ABTS, and Hydrogen peroxide (H2O2) scavenging assays were performed whereas pancreatic lipase, Alpha-amylase and Alpha glucosidase assays were carried out for enzyme inhibition activities. The overall study revealed that fractions F2 and F3 had shown significant in vitro activities targeting obesity. The selected potent fractions (F2 and F3) were orally bio-screened for efficacy in MSG-HFD-induced obese mice at 80 mg/kg/bw. The invivo study confirmed that fractions 2 and 3 with a dose of 80 mg/kg/bw had a significant potency compared to obese control and standard for various parameters. Body weight and lipid metrics were significantly reduced, and histological examinations revealed considerable beneficial alterations in the organs of the animals. Further HPTLC MS-MSn was used to characterize and identify the major compounds in the potent bioactive fractions, which confirmed the presence of seven major compounds: Ascorbic acid, Gallic acid, Quercetin, β-sitosterol, Stigmasterol, Caffeine and Epigallocatechin gallate. An in silico model was then employed to determine the best binding activity of the identified compound towards the specific receptors targeting obesity, confirming the most effective docking score towards stigmasterol and sitosterol. The in vitro and in vivo studies of derived bioactive fractions of A. squamosa leaves extract revealed a possible therapeutic approach towards anti-obesity activity for the first time.
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Affiliation(s)
- Ravi Pratap Singh
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi India
| | - Ashok Kumar Pattnaik
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi India
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18
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Matussin SN, Khan F, Chandika P, Harunsani MH, Ahmad N, Kim YM, Jung WK, Khan MM. Effects of NO 3-, Cl -, and CH 3COO - anions and diethylene glycol on the morphological, structural, antidiabetic, and cell viability properties of CeO 2 nanoparticles. RSC Adv 2023; 13:15421-15436. [PMID: 37223416 PMCID: PMC10201339 DOI: 10.1039/d3ra02474a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 05/15/2023] [Indexed: 05/25/2023] Open
Abstract
Cerium oxide (CeO2) nanoparticles (NPs) were synthesized using a modified conventional polyol method. The ratio of diethylene glycol (DEG) and water in the synthesis was varied, and three different cerium precursor salts (Ce(NO3)3, CeCl3, and Ce(CH3COO)3) were used. The structure, size, and morphology of the synthesized CeO2 NPs were studied. An average crystallite size of 13 to 33 nm was obtained from the XRD analysis. Spherical and elongated morphologies of the synthesized CeO2 NPs were acquired. Average particle sizes in the range of 16-36 nm were obtained by varying different ratios of DEG and water. The presence of DEG molecules on the surface of CeO2 NPs was confirmed using FTIR. Synthesized CeO2 NPs were used to study the antidiabetic and cell viability (cell cytotoxicity) properties. Antidiabetic studies were carried out using α-glucosidase enzymes inhibition activity. CeO2 synthesized using Ce(NO3)3 and CeCl3 precursors showed approximately 40.0% α-glucosidase enzyme inhibition activity, while CeO2 synthesized using Ce(CH3COO)3 showed the lowest α-glucosidase enzyme inhibition activity. Cell viability properties of CeO2 NPs were investigated using an in vitro cytotoxicity test. CeO2 NPs prepared using Ce(NO3)3 and CeCl3 were non-toxic at lower concentrations, while CeO2 NPs prepared using Ce(CH3COO)3 were non-toxic at all concentrations. Therefore, polyol-mediated synthesized CeO2 NPs showed quite good α-glucosidase inhibition activity and biocompatibility.
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Affiliation(s)
- Shaidatul Najihah Matussin
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam Jalan Tungku Link Gadong BE 1410 Brunei Darussalam
| | - Fazlurrahman Khan
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University Busan 48513 Republic of Korea
- Research Center for Marine Integrated Bionics Technology, Pukyong National University Busan 48513 Republic of Korea
| | - Pathum Chandika
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University Busan 48513 Republic of Korea
- Research Center for Marine Integrated Bionics Technology, Pukyong National University Busan 48513 Republic of Korea
| | - Mohammad Hilni Harunsani
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam Jalan Tungku Link Gadong BE 1410 Brunei Darussalam
| | - Norhayati Ahmad
- Environmental and Life Sciences, Faculty of Science, Universiti Brunei Darussalam Jalan Tungku Link Gadong BE 1410 Brunei Darussalam
| | - Young-Mog Kim
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University Busan 48513 Republic of Korea
- Research Center for Marine Integrated Bionics Technology, Pukyong National University Busan 48513 Republic of Korea
- Department of Food Science and Technology, Pukyong National University Busan 48513 Republic of Korea
| | - Won-Kyo Jung
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University Busan 48513 Republic of Korea
- Research Center for Marine Integrated Bionics Technology, Pukyong National University Busan 48513 Republic of Korea
- Major of Biomedical Engineering, Division of Smart Healthcare and New-Senior Healthcare Innovation Center (BK21 Plus), Pukyong National University Busan 48513 Republic of Korea
| | - Mohammad Mansoob Khan
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam Jalan Tungku Link Gadong BE 1410 Brunei Darussalam
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Kuttithodi AM, Narayanankutty A, Visakh NU, Job JT, Pathrose B, Olatunji OJ, Alfarhan A, Ramesh V. Chemical Composition of the Cinnamomum malabatrum Leaf Essential Oil and Analysis of Its Antioxidant, Enzyme Inhibitory and Antibacterial Activities. Antibiotics (Basel) 2023; 12:antibiotics12050940. [PMID: 37237843 DOI: 10.3390/antibiotics12050940] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 12/30/2022] [Accepted: 12/30/2022] [Indexed: 05/28/2023] Open
Abstract
Cinnamomum species are a group of plants belonging to the Lauraceae family. These plants are predominantly used as spices in various food preparations and other culinary purposes. Furthermore, these plants are attributed to having cosmetic and pharmacological potential. Cinnamomum malabatrum (Burm. f.) J. Presl is an underexplored plant in the Cinnamomum genus. The present study evaluated the chemical composition by a GC-MS analysis and antioxidant properties of the essential oil from C. malabatrum (CMEO). Further, the pharmacological effects were determined as radical quenching, enzyme inhibition and antibacterial activity. The results of the GC-MS analysis indicated the presence of 38.26 % of linalool and 12.43% of caryophyllene in the essential oil. Furthermore, the benzyl benzoate (9.60%), eugenol (8.75%), cinnamaldehyde (7.01%) and humulene (5.32%) were also present in the essential oil. The antioxidant activity was indicated by radical quenching properties, ferric-reducing potential and lipid peroxidation inhibition ex vivo. Further, the enzyme-inhibitory potential was confirmed against the enzymes involved in diabetes and diabetic complications. The results also indicated the antibacterial activity of these essential oils against different Gram-positive and Gram-negative bacteria. The disc diffusion method and minimum inhibitory concentration analysis revealed a higher antibacterial potential for C. malabatrum essential oil. Overall, the results identified the predominant chemical compounds of C. malabatrum essential oil and its biological and pharmacological effects.
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Affiliation(s)
- Aswathi Moothakoottil Kuttithodi
- Division of Cell and Molecular Biology, PG & Research Department of Zoology, St. Joseph's College (Autonomous), Devagiri, Calicut 673008, Kerala, India
| | - Arunaksharan Narayanankutty
- Division of Cell and Molecular Biology, PG & Research Department of Zoology, St. Joseph's College (Autonomous), Devagiri, Calicut 673008, Kerala, India
| | - Naduvilthara U Visakh
- Department of Agricultural Entomology, College of Agriculture, Kerala Agricultural University, Thrissur 680656, Kerala, India
| | - Joice Tom Job
- Division of Cell and Molecular Biology, PG & Research Department of Zoology, St. Joseph's College (Autonomous), Devagiri, Calicut 673008, Kerala, India
| | - Berin Pathrose
- Department of Agricultural Entomology, College of Agriculture, Kerala Agricultural University, Thrissur 680656, Kerala, India
| | - Opeyemi Joshua Olatunji
- African Genome Center, Mohammed VI Polytechnic University, Ben Guerir 43150, Morocco
- Traditional Thai Medical Research and Innovation Center, Faculty of Traditional Thai Medicine, Prince of Songkla University, Hat Yai 90110, Thailand
| | - Ahmed Alfarhan
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Varsha Ramesh
- Department of Biotechnology, Deakin University, Geelong, VIC 3217, Australia
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Khayat MT, Ghazawi KF, Samman WA, Alhaddad AA, Mohamed GA, Ibrahim SRM. Recent advances on natural depsidones: sources, biosynthesis, structure-activity relationship, and bioactivities. PeerJ 2023; 11:e15394. [PMID: 37197584 PMCID: PMC10184659 DOI: 10.7717/peerj.15394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 04/20/2023] [Indexed: 05/19/2023] Open
Abstract
Depsidones are a class of polyphenolic polyketides that have been proposed to be biosynthesized from oxidative coupling of esters of two polyketidic benzoic acid derivatives. They are principally encountered in fungi and lichens. In addition to their diversified structural features, they revealed varied bioactivities such as antimicrobial, antimalarial, cytotoxic, anti-inflammatory, anti-Helicobacter pylori, antimycobacterial, antihypertensive, anti-diarrheal, antidiabetic, phytotoxic, anti-HIV, anti-osteoclastogenic, and butyrylcholinesterase, tyrosinase, hyaluronidase, and acetylcholinesterase inhibition. The current work was targeted to provide an overview on the naturally reported depsidones from various sources in the period from 2018 to the end of 2022 including their structures, biosynthesis, sources, and bioactivities, as well as the reported structure-activity relationship and semisynthetic derivatives. A total of 172 metabolites with 87 references were reviewed. The reported findings unambiguously demonstrated that these derivatives could be promising leads for therapeutic agents. However, further in-vivo evaluation of their potential biological properties and mechanistic investigations are needed.
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Affiliation(s)
- Maan T. Khayat
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Kholoud F. Ghazawi
- Clinical Pharmacy Department, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Waad A. Samman
- Department of Pharmacology and Toxicology, College of Pharmacy, Taibah University, Al-Madinah Al-Munawwarah, Saudi Arabia
| | - Aisha A. Alhaddad
- Department of Pharmacology and Toxicology, College of Pharmacy, Taibah University, Al-Madinah Al-Munawwarah, Saudi Arabia
| | - Gamal A. Mohamed
- Department of Natural Products and Alternative Medicine, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Sabrin RM Ibrahim
- Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut, Egypt
- Department of Chemistry, Batterjee Medical College, Jeddah, Saudi Arabia
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Zhang P, Wei W, Zhang X, Wen C, Ovatlarnporn C, Olatunji OJ. Antidiabetic and antioxidant activities of Mitragyna speciosa (kratom) leaf extract in type 2 diabetic rats. Biomed Pharmacother 2023; 162:114689. [PMID: 37058820 DOI: 10.1016/j.biopha.2023.114689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/06/2023] [Accepted: 04/10/2023] [Indexed: 04/16/2023] Open
Abstract
Mitragyna speciosa is a medicinal plant with a reputation for treating pains, diabetes as well as increasing energy and sexual desires. However, there is no scientific evidence to validate the antidiabetic effect of M. speciosa. This study investigated the antidiabetic effects of M. speciosa (Krat) ethanolic extract on fructose and streptozocin (STZ)-induced type 2 diabetic rats. In vitro antioxidant and antidiabetic effects were evaluated using DPPH, ABST, FRAP and α-glucosidase inhibitory assays. Rats with fructose/STZ induced T2D were treated with Krat (100 and 400 mg/kg) or metformin (200 mg/kg) for 5 weeks via oral gavage. Krat showed good antioxidant activity and also displayed potent α-glucosidase inhibitory activity. Administration of Krat to the diabetic rats significantly improved body weight gain, restored alterations in blood glucose level, glucose tolerance, dyslipidemia (increased cholesterol, triglycerides, low-density lipoprotein-cholesterol and reduced high-density lipoprotein), hepatorenal biomarkers alterations (alanine transaminase, aspartate transaminase, alanine phosphatase, creatinine and blood urea nitrogen) and oxidative stress indices (superoxide dismutase, glutathione and malondialdehyde)in the treated diabetic rats. Furthermore, Krat also restored pancreatic histological and increased immunohistochemical aberrations in the diabetic rats. These results for the first time demonstrated the antidiabetic and antihyperlipidemic potentials of M. speciosa, thus providing scientific reinforcement for the traditional use of the plant in the treatment of diabetes.
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Affiliation(s)
- Pengpeng Zhang
- Second People's Hospital of Wuhu City, Anhui 241001, China
| | - Wei Wei
- Second People's Hospital of Wuhu City, Anhui 241001, China
| | - Xiaohai Zhang
- Second People's Hospital of Wuhu City, Anhui 241001, China
| | - Chaoling Wen
- Anhui College of Traditional Chinese Medicine, Wuhu, Anhui 241000, China.
| | - Chitchamai Ovatlarnporn
- Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand; Drug Delivery System Excellent Center, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand
| | - Opeyemi Joshua Olatunji
- African Genome Center, Mohammed VI Polytechnic University, Ben Guerir 43150, Morocco; Traditional Thai Medical Research and Innovation Center, Faculty of Traditional Thai Medicine, Prince of Songkla University, Hat Yai 90110, Thailand.
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Šola I, Davosir D, Kokić E, Zekirovski J. Effect of Hot- and Cold-Water Treatment on Broccoli Bioactive Compounds, Oxidative Stress Parameters and Biological Effects of Their Extracts. PLANTS (BASEL, SWITZERLAND) 2023; 12:1135. [PMID: 36903996 PMCID: PMC10005114 DOI: 10.3390/plants12051135] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 02/21/2023] [Accepted: 02/25/2023] [Indexed: 06/18/2023]
Abstract
The goal of this work was to define resistant and susceptible variables of young broccoli (Brassica oleracea L. convar. botrytis (L.) Alef. var. cymosa Duch.) plants treated with cold and hot water. Additionally, we wanted to single out variables that could potentially be used as biomarkers of cold/hot-water stress in broccoli. Hot water changed more variables (72%) of young broccoli than cold water (24%) treatment. Hot water increased the concentration of vitamin C for 33%, hydrogen peroxide for 10%, malondialdehyde for 28%, and proline for 147%. Extracts of broccoli stressed with hot water were significantly more efficient in the inhibition of α-glucosidase (65.85 ± 4.85% compared to 52.00 ± 5.16% of control plants), while those of cold-water-stressed broccoli were more efficient in the inhibition of α-amylase (19.85 ± 2.70% compared to 13.26 ± 2.36% of control plants). Total glucosinolates and soluble sugars were affected by hot and cold water in an opposite way, which is why they could be used as biomarkers of hot/cold-water stress in broccoli. The possibility of using temperature stress to grow broccoli enriched with compounds of interest to human health should be further investigated.
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Sulfianti A, Firdausi N, Nurhadi N, Ngatinem N, Agustini K, Ningsih S. Antidiabetic activity of Anredera cordifolia (Ten.) Stennis extracts with different ethanol percentages: an evaluation based on in vitro, in vivo, and molecular studies. PHARMACIA 2023. [DOI: 10.3897/pharmacia.70.e94899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Anredera cordifolia (Ten.) Stennis, also known as Binahong (B), is an Indonesian plant used to treat diabetes. The purpose of this study was to determine the best extragent for preparing Binahong extract as an antidiabetic agent using different concentrations of ethanol (50%, 70%, and 96%), labelled as BE50%, BE70%, and BE96%. An alpha-glucosidase inhibiting assay was used to assess the activity. The most active extract was tested in vivo assay using an oral glucose tolerance test (OGTT) and alloxan-high feed diet (alloxan-HFD)-induced diabetes in rats, with glucose level and beta cell Langerhans repair as parameters. A molecular assay was also performed to look into the expression of homeostasis regulator genes on 3T3-L1 adipose cells. The results showed that 96% ethanol extract (BE96%) inhibited alpha-glucosidase the most effectively (IC50 119.78± 11.14 μg/mL). The in vivo assay revealed that the treatment BE96% at 250 mg/kg BW for 21 consecutive days significantly reduced plasma glucose levels in Type 2 DM rats compared to the control group (p ≤ .05) with improved of Langerhans beta cells. BE96% also significantly reduced postprandial glucose levels. At the cellular level, Oil-Red-O staining revealed that differentiated adipocytes treated with BE96% had the highest lipid absorbance (p ≤ .05), compared to the control. BE96% significantly increased the expression of Glucose Transporter Isoform 4 (GLUT4) at the molecular level. It could be concluded that BE96% exhibited the best antidiabetic properties.
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Abid S, Maciuk A, Fishmeister R, Leblais V, Legssyer A, Mekhfi H, Ziyyat A, Aziz M, Lekchiri A, Bnouham M. Development of a Thin-Layer Chromatography-Enzymatic Test Combination Method for the Isolation of α-Glucosidase Inhibitors From Thymelaea hirsuta. J Chromatogr Sci 2022; 61:66-73. [PMID: 35679592 DOI: 10.1093/chromsci/bmac040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Indexed: 01/11/2023]
Abstract
A rapid, easy and simple method for the isolation and purification of α-glucosidase inhibitors of the ethyl acetate extract of Thymelaea hirsuta (EaTh) by a combination of thin layer chromatography (TLC) and enzymatic test has been developed. EaTh was demonstrated previously a potent α-glucosidase inhibitory effect. In this study, we developed a simple TLC-enzymatic test (TLC/EZ) combination to isolate α-glucosidase inhibitors present in EaTh.EaTh was extracted by Soxhlet from Thymelaea hirsuta (T. hirsuta). The EaTh was separated on a silica gel column and then on a TLC plate. After TLC separation, the TLC/EZ combination method was applied. α-glucosidase inhibitors were detected directly in the TLC plate using the glucose oxidase peroxidase method (GOD-POD). A good detection of active compounds was obtained in the TLC favoring the TLC/EZ method. Active compounds were then characterized using high performance liquid chromatography-mass spectrometry (HPLC-MS) analysis. The main α-glucosidase inhibitors present in EaTh have a molecular ion [M + H]+ at m/z = 543. This proposed method is suitable for a reliable isolation and purification of α-glucosidase inhibitors present in EaTh. It could be proposed as an interesting alternative of the classical method for the isolation and purification of α-glucosidase inhibitors in plant extracts.
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Affiliation(s)
- Sanae Abid
- Laboratory of Bio-resources, Biotechnologies, Ethnopharmacology and health, Department of Biology. Faculty of Sciences, University Mohamed Ist, Boulevard Mohamed IV, BP: 717, Oujda 60 000, Morocco
| | - Alexander Maciuk
- Laboratory of Pharmacognosy, Faculty of Pharmacy, University Paris-Saclay, 5 Rue Jean Baptiste Clément, 92290 Châtenay-Malabry, France
| | - Rodolphe Fishmeister
- Laboratory of Signaling and Cardiac Physiopathology, INSERM U-769, Faculty of Pharmacy, University Paris-Saclay, 5 Rue Jean Baptiste Clément, 92290 Châtenay-Malabry, France
| | - Véronique Leblais
- Laboratory of Signaling and Cardiac Physiopathology, INSERM U-769, Faculty of Pharmacy, University Paris-Saclay, 5 Rue Jean Baptiste Clément, 92290 Châtenay-Malabry, France
| | - Abdekhaleq Legssyer
- Laboratory of Bio-resources, Biotechnologies, Ethnopharmacology and health, Department of Biology. Faculty of Sciences, University Mohamed Ist, Boulevard Mohamed IV, BP: 717, Oujda 60 000, Morocco
| | - Hassane Mekhfi
- Laboratory of Bio-resources, Biotechnologies, Ethnopharmacology and health, Department of Biology. Faculty of Sciences, University Mohamed Ist, Boulevard Mohamed IV, BP: 717, Oujda 60 000, Morocco
| | - Abderrahim Ziyyat
- Laboratory of Bio-resources, Biotechnologies, Ethnopharmacology and health, Department of Biology. Faculty of Sciences, University Mohamed Ist, Boulevard Mohamed IV, BP: 717, Oujda 60 000, Morocco
| | - Mohamed Aziz
- Laboratory of Bio-resources, Biotechnologies, Ethnopharmacology and health, Department of Biology. Faculty of Sciences, University Mohamed Ist, Boulevard Mohamed IV, BP: 717, Oujda 60 000, Morocco
| | - Abdenbi Lekchiri
- Laboratory of Bio-resources, Biotechnologies, Ethnopharmacology and health, Department of Biology. Faculty of Sciences, University Mohamed Ist, Boulevard Mohamed IV, BP: 717, Oujda 60 000, Morocco
| | - Mohamed Bnouham
- Laboratory of Bio-resources, Biotechnologies, Ethnopharmacology and health, Department of Biology. Faculty of Sciences, University Mohamed Ist, Boulevard Mohamed IV, BP: 717, Oujda 60 000, Morocco
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Zein N, Elewa YHA, Alruwaili MK, Dewaard M, Alorabi M, Albogami SM, Batiha GES, Zahran MH. Barhi date (Phoenix dactylifera) extract ameliorates hepatocellular carcinoma in male rats. Biomed Pharmacother 2022; 156:113976. [DOI: 10.1016/j.biopha.2022.113976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 10/27/2022] [Accepted: 11/02/2022] [Indexed: 11/09/2022] Open
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Prediction of α-Glucosidase Inhibitory Activity of LC-ESI-TQ-MS/MS-Identified Compounds from Tradescantia pallida Leaves. Pharmaceutics 2022; 14:pharmaceutics14122578. [PMID: 36559071 PMCID: PMC9783651 DOI: 10.3390/pharmaceutics14122578] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/08/2022] [Accepted: 11/16/2022] [Indexed: 11/25/2022] Open
Abstract
Diabetes is a chronic disease that leads to abnormal carbohydrate digestion and hyperglycemia. The long-term use of marketed drugs results in secondary infections and side effects that demand safe and natural substitutes for synthetic drugs. The objective of this study is to evaluate the antidiabetic potential of compounds from the leaves of Tradescantia pallida. Thirteen phenolic compounds were identified from the ethyl acetate fraction of leaves of Tradescantia pallida using liquid chromatography-mass spectrometry. The compounds were then studied for the type of interactions between polyphenols and human α-glucosidase protein using molecular docking analysis. Prime Molecular Mechanics/Generalized Born Surface Area (MM-GBSA) calculations were performed to measure the binding free energies responsible for the formation of ligand-protein complexes. The compounds were further investigated for the thermodynamic constraints under a specified biological environment using molecular dynamic simulations. The flexibility of the ligand-protein systems was verified by Root Mean Square Deviation (RMSD), Root Mean Square Fluctuation (RMSF) and molecular interactions. The results authenticated the antidiabetic potential of polyphenols identified from the leaves of Tradescantia pallida. Our investigations could be helpful in the design of safe antidiabetic agents, but further in vitro and in vivo investigations are required.
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Analysis of Isoflavones in Pueraria by UHPLC-Q-Orbitrap HRMS and Study on α-Glucosidase Inhibitory Activity. Foods 2022; 11:foods11213523. [DOI: 10.3390/foods11213523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/26/2022] [Accepted: 10/28/2022] [Indexed: 11/09/2022] Open
Abstract
Pueraria is a rich source of bioactive compounds, but there is a lack of comprehensive information concerning its composition. Therefore, a UHPLC-Q-Orbitrap HRMS method was developed to identify and quantify bioactive compounds in pueraria. Twelve isoflavones were quantified, with puerarin being the most abundant, followed by puerarin 6″-O-xyloside, 3′-methoxy puerarin, and 3′-hydroxy puerarin. A further 88 bioactive components in eight categories were also tentatively identified. The 12 isoflavones, except for genistein, exhibited α-glucosidase inhibitory activity. The binding of these compounds to the active site of α-glucosidase was confirmed via molecular docking analysis. These findings provide a basis for identifying pueraria as a promising functional food ingredient.
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Thummajitsakul S, Piyaphan P, Khamthong S, Unkam M, Silprasit K. Comparison of FTIR fingerprint, phenolic content, antioxidant and anti-glucosidase activities among Phaseolus vulgaris L., Arachis hypogaea L. and Plukenetia volubilis L. ELECTRON J BIOTECHN 2022. [DOI: 10.1016/j.ejbt.2022.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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29
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Nistor G, Trandafirescu C, Prodea A, Milan A, Cristea A, Ghiulai R, Racoviceanu R, Mioc A, Mioc M, Ivan V, Șoica C. Semisynthetic Derivatives of Pentacyclic Triterpenes Bearing Heterocyclic Moieties with Therapeutic Potential. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27196552. [PMID: 36235089 PMCID: PMC9572482 DOI: 10.3390/molecules27196552] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 09/29/2022] [Accepted: 09/30/2022] [Indexed: 11/12/2022]
Abstract
Medicinal plants have been used by humans since ancient times for the treatment of various diseases and currently represent the main source of a variety of phytocompounds, such as triterpenes. Pentacyclic triterpenes have been subjected to numerous studies that have revealed various biological activities, such as anticancer, antidiabetic, anti-inflammatory, antimicrobial, and hepatoprotective effects, which can be employed in therapy. However, due to their high lipophilicity, which is considered to exert a significant influence on their bioavailability, their current use is limited. A frequent approach employed to overcome this obstacle is the chemical derivatization of the core structure with different types of moieties including heterocycles, which are considered key elements in medicinal chemistry. The present review aims to summarize the literature published in the last 10 years regarding the derivatives of pentacyclic triterpenes bearing heterocyclic moieties and focuses on the biologically active derivatives as well as their structure-activity relationships. Predominantly, the targeted positions for the derivatization of the triterpene skeleton are C-3 (hydroxyl/oxo group), C-28 (hydroxyl/carboxyl group), and C-30 (allylic group) or the extension of the main scaffold by fusing various heterocycles with the A-ring of the phytocompound. In addition, numerous derivatives also contain linker moieties that connect the triterpenic scaffold with heterocycles; one such linker, the triazole moiety, stands out as a key pharmacophore for its biological effect. All these studies support the hypothesis that triterpenoid conjugates with heterocyclic moieties may represent promising candidates for future clinical trials.
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Affiliation(s)
- Gabriela Nistor
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
- Research Centre for Pharmaco-Toxicological Evaluation, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Sq., No. 2, 300041 Timisoara, Romania
| | - Cristina Trandafirescu
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
- Research Centre for Pharmaco-Toxicological Evaluation, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Sq., No. 2, 300041 Timisoara, Romania
| | - Alexandra Prodea
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
- Research Centre for Pharmaco-Toxicological Evaluation, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Sq., No. 2, 300041 Timisoara, Romania
- Correspondence: (A.P.); (A.M.); Tel.: +40-256-494-604 (A.P.)
| | - Andreea Milan
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
- Research Centre for Pharmaco-Toxicological Evaluation, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Sq., No. 2, 300041 Timisoara, Romania
- Correspondence: (A.P.); (A.M.); Tel.: +40-256-494-604 (A.P.)
| | - Andreea Cristea
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
- Research Centre for Pharmaco-Toxicological Evaluation, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Sq., No. 2, 300041 Timisoara, Romania
| | - Roxana Ghiulai
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
- Research Centre for Pharmaco-Toxicological Evaluation, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Sq., No. 2, 300041 Timisoara, Romania
| | - Roxana Racoviceanu
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
- Research Centre for Pharmaco-Toxicological Evaluation, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Sq., No. 2, 300041 Timisoara, Romania
| | - Alexandra Mioc
- Research Centre for Pharmaco-Toxicological Evaluation, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Sq., No. 2, 300041 Timisoara, Romania
- Department of Anatomy, Physiology, Pathophysiology, Faculty of Pharmacy, Victor Babes University of Medicine and Pharmacy, 2nd Eftimie Murgu Sq., 300041 Timisoara, Romania
| | - Marius Mioc
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
- Research Centre for Pharmaco-Toxicological Evaluation, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Sq., No. 2, 300041 Timisoara, Romania
| | - Viviana Ivan
- Department of Internal Medicine II, Faculty of Medicine, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
| | - Codruța Șoica
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No. 2, 300041 Timisoara, Romania
- Research Centre for Pharmaco-Toxicological Evaluation, “Victor Babes” University of Medicine and Pharmacy, Eftimie Murgu Sq., No. 2, 300041 Timisoara, Romania
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Ali N, Naz I, Ahmed S, Mohsin SA, Kanwal N, Fatima H, Hussain S. Polarity-guided phytochemical extraction, polyphenolic characterization, and multimode biological evaluation of Seriphidium kurramense (Qazilb.) Y. R. Ling. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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31
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Miller N, Joubert E. Critical Assessment of In Vitro Screening of α-Glucosidase Inhibitors from Plants with Acarbose as a Reference Standard. PLANTA MEDICA 2022; 88:1078-1091. [PMID: 34662924 DOI: 10.1055/a-1557-7379] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Postprandial hyperglycemia is treated with the oral antidiabetic drug acarbose, an intestinal α-glucosidase inhibitor. Side effects of acarbose motivated a growing number of screening studies to identify novel α-glucosidase inhibitors derived from plant extracts and other natural sources. As "gold standard", acarbose is frequently included as the reference standard to assess the potency of these candidate α-glucosidase inhibitors, with many outperforming acarbose by several orders of magnitude. The results are subsequently used to identify suitable compounds/products with strong potential for in vivo efficacy. However, most α-glucosidase inhibitor screening studies use enzyme preparations obtained from nonmammalian sources (typically Saccharomyces cerevisiae), despite strong evidence that inhibition data obtained using nonmammalian α-glucosidase may hold limited value in terms of identifying α-glucosidase inhibitors with actual in vivo hypoglycemic potential. The aim was to critically discuss the screening of novel α-glucosidase inhibitors from plant sources, emphasizing inconsistencies and pitfalls, specifically where acarbose was included as the reference standard. An assessment of the available literature emphasized the cruciality of stating the biological source of α-glucosidase in such screening studies to allow for unambiguous and rational interpretation of the data. The review also highlights the lack of a universally adopted screening assay for novel α-glucosidase inhibitors and the commercial availability of a standardized preparation of mammalian α-glucosidase.
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Affiliation(s)
- Neil Miller
- Department of Food Science, Stellenbosch University, South Africa
- Plant Bioactives Group, Post-Harvest & Agro-Processing Technologies, Agricultural Research Council (ARC) Infruitec-Nietvoorbij, Stellenbosch, South Africa
| | - Elizabeth Joubert
- Department of Food Science, Stellenbosch University, South Africa
- Plant Bioactives Group, Post-Harvest & Agro-Processing Technologies, Agricultural Research Council (ARC) Infruitec-Nietvoorbij, Stellenbosch, South Africa
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Enzymes Inhibition and Antioxidant Potential of Medicinal Plants Growing in Oman. BIOMED RESEARCH INTERNATIONAL 2022; 2022:7880387. [PMID: 35872867 PMCID: PMC9307329 DOI: 10.1155/2022/7880387] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 06/23/2022] [Accepted: 06/24/2022] [Indexed: 12/29/2022]
Abstract
The recent study was designed to explore Dodonaea viscosa, Juniperus excelsa, Helianthemum lippii, and Euryops pinifolius using methanolic (MeOH) extract. Their subfractions were examined against urease, carbonic anhydrase II (CA-II), α-glucosidase enzymes, and free radicals scavenging significance based on local practices via standard methods. Significance potential against the urease enzyme was presented by ethyl acetate fraction (EtOAc) of D. viscosa with (IC50 = 125 ± 1.75 μg/mL), whereas the H. lippii (IC50 = 146 ± 1.39 μg/mL) in the EtOAc was found efficient to scavenge the free radicals. Besides, that appreciable capacity was observed by the J. excelsa, D. viscosa, J. excelsa, and E. pinifolius as compared to the standard acarbose (IC50 = 377.24 ± 1.14 μg/mL). Maximum significance was noticed in methanolic (MeOH) extract of J. excelsa and presented carbonic anhydrase CA-II (IC50 = 5.1 ± 0.20 μg/mL) inhibition as compared to the standard (acetazolamide). We are reporting, for the first time, the CA-II inhibition of all the selected medicinal plants and α-glucosidase, urease, and antioxidant activities of the E. pinifolius. Thus, further screening is needed to isolate the promising bioactive ingredients which act as an alternative remedy to scavenge the free radicals, antiulcer, and act as a potential source to develop new antidiabetic drugs for controlling postprandial blood sugar as well as carbonic anhydrase inhibitors.
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Kim JT, Zhou Y, Qiu S, Lee SB, Park HJ, Kim MJ, Jung SK, Seo E, Kim YJ, Lee HJ. Capsicum annuum L. cv. DANGJO ameliorated hyperglycemia in type 2 diabetes animal model induced by high-fat diet and streptozotocin. Food Sci Biotechnol 2022; 31:1073-1080. [PMID: 35873370 PMCID: PMC9300795 DOI: 10.1007/s10068-022-01068-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 03/03/2022] [Accepted: 03/13/2022] [Indexed: 11/04/2022] Open
Abstract
In this study, it was evaluated the effect of freeze-dried powder of Capsicum annuum L. cv. DANGJO (DJ) on ameliorating hyperglycemia in type 2 diabetes rat model induced by high-fat diet (HFD) and streptozotocin (STZ). Oral administration of DJ significantly reduced non-fasting blood glucose (NFBG) and insulin levels, as well as glycated hemoglobin (HbA1c) level, a representative marker for diabetes, in HFD/STZ treated rats whereas the administration of green hot pepper (GHP) and green sweet pepper (GSP) did not show the significant effect. Quercitrin was quantified (40.97 mg/100 g of DJ) by HPLC, and administration of the same amount of quercitrin with DJ exerted the significant reduction of blood glucose level, strongly supporting that quercitrin is the key component in ameliorating the hyperglycemia of DJ in HFD/STZ treated rats. These results suggest that DJ can be considered as a potent functional food in preventing hyperglycemia in type 2 diabetes mellitus.
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Affiliation(s)
- Jin Tae Kim
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
| | - Yimeng Zhou
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
| | - Shuai Qiu
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
| | - Seung Beom Lee
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
| | - Ho Jin Park
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
| | - Min Jeong Kim
- School of Food Science and Biotechnology, Kyungpook National University, Daegu, 41566 South Korea
| | - Sung Keun Jung
- School of Food Science and Biotechnology, Kyungpook National University, Daegu, 41566 South Korea
| | - Eunbin Seo
- Department of Food Science and Technology, Seoul National University of Science & Technology, Seoul, 01811 South Korea
| | - Young-Jun Kim
- Department of Food Science and Technology, Seoul National University of Science & Technology, Seoul, 01811 South Korea
| | - Hong Jin Lee
- Department of Food Science and Biotechnology, Chung-Ang University, Anseong, 17546 South Korea
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Sohrabi M, Binaeizadeh MR, Iraji A, Larijani B, Saeedi M, Mahdavi M. A review on α-glucosidase inhibitory activity of first row transition metal complexes: a futuristic strategy for treatment of type 2 diabetes. RSC Adv 2022; 12:12011-12052. [PMID: 35481063 PMCID: PMC9020348 DOI: 10.1039/d2ra00067a] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 04/12/2022] [Indexed: 12/12/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) is characterized by high blood glucose levels and has emerged as a controversial public health issue worldwide. The increasing number of patients with T2DM on one hand, and serious long-term complications of the disease such as obesity, neuropathy, and vascular disorders on the other hand, have induced a huge economic impact on society globally. In this regard, inhibition of α-glucosidase, the enzyme responsible for the hydrolysis of carbohydrates in the body has been the main therapeutic approach to the treatment of T2DM. As α-glucosidase inhibitors (α-GIs) have occupied a special position in the current research and prescription drugs are generally α-GIs, researchers have been encouraged to design and synthesize novel and efficient inhibitors. Previously, the presence of a sugar moiety seemed to be crucial for designing α-GIs since they can attach to the carbohydrate binding site of the enzyme mimicking the structure of disaccharides or oligosaccharides. However, inhibitors lacking glycosyl structures have also shown potent inhibitory activity and development of non-sugar based inhibitors is accelerating. In this respect, in vitro anti-α-glucosidase activity of metal complexes has attracted lots of attention and this paper has reviewed the inhibitory activity of first-row transition metal complexes toward α-glucosidase and discussed their probable mechanisms of action.
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Affiliation(s)
- Marzieh Sohrabi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences Tehran Iran
| | | | - Aida Iraji
- Stem Cells Technology Research Center, Shiraz University of Medical Sciences Shiraz Iran
- Central Research Laboratory, Shiraz University of Medical Sciences Shiraz Iran
- Liosa Pharmed Parseh Company Shiraz Iran
| | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences Tehran Iran
| | - Mina Saeedi
- Medicinal Plants Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences Tehran Iran
- Persian Medicine and Pharmacy Research Center, Tehran University of Medical Sciences Tehran Iran
| | - Mohammad Mahdavi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences Tehran Iran
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Daou M, Elnaker NA, Ochsenkühn MA, Amin SA, Yousef AF, Yousef LF. In vitro α-glucosidase inhibitory activity of Tamarix nilotica shoot extracts and fractions. PLoS One 2022; 17:e0264969. [PMID: 35286313 PMCID: PMC8920278 DOI: 10.1371/journal.pone.0264969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 02/19/2022] [Indexed: 11/29/2022] Open
Abstract
α-glucosidase inhibitors represent an important class of type 2 antidiabetic drugs and they act by lowering postprandial hyperglycemia. Today, only three synthetic inhibitors exist on the market, and there is a need for novel, natural and more efficient molecules exhibiting this activity. In this study, we investigated the ability of Tamarix nilotica ethanolic and aqueous shoot extracts, as well as methanolic fractions prepared from aqueous crude extracts to inhibit α-glucosidase. Both, 50% ethanol and aqueous extracts inhibited α-glucosidase in a concentration-dependent manner, with IC50 values of 12.5 μg/mL and 24.8 μg/mL, respectively. Importantly, α-glucosidase inhibitory activity observed in the T. nilotica crude extracts was considerably higher than pure acarbose (IC50 = 151.1 μg/mL), the most highly prescribed α-glucosidase inhibitor on the market. When T. nilotica crude extracts were fractionated using methanol, enhanced α-glucosidase inhibitory activity was observed in general, with the highest observed α-glucosidase inhibitory activity in the 30% methanol fraction (IC50 = 5.21 μg/mL). Kinetic studies further revealed a competitive reversible mechanism of inhibition by the plant extract. The phytochemical profiles of 50% ethanol extracts, aqueous extracts, and the methanolic fractions were investigated and compared using a metabolomics approach. Statistical analysis revealed significant differences in the contents of the crude extracts and fractions and potentially identified the molecules that were most responsible for these observed variations. Higher α-glucosidase inhibitory activity was associated with an enrichment of terpenoids, fatty acids, and flavonoids. Among the identified molecules, active compounds with known α-glucosidase inhibitory activity were detected, including unsaturated fatty acids, triterpenoids, and flavonoid glycosides. These results put forward T. nilotica as a therapeutic plant for type 2 diabetes and a source of α-glucosidase inhibitors.
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Affiliation(s)
- Mariane Daou
- Department of Biology, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Nancy A. Elnaker
- Department of Chemistry, Khalifa University, Abu Dhabi, United Arab Emirates
| | | | - Shady A. Amin
- Biology Program, New York University in Abu Dhabi, Abu Dhabi, United Arab Emirates
| | - Ahmed F. Yousef
- Department of Biology, Khalifa University, Abu Dhabi, United Arab Emirates
- Center for Membranes and Advances Water Technology (CMAT), Khalifa University, Abu Dhabi, United Arab Emirates
| | - Lina F. Yousef
- Department of Chemistry, Khalifa University, Abu Dhabi, United Arab Emirates
- * E-mail:
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Mervić M, Bival Štefan M, Kindl M, Blažeković B, Marijan M, Vladimir-Knežević S. Comparative Antioxidant, Anti-Acetylcholinesterase and Anti-α-Glucosidase Activities of Mediterranean Salvia Species. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11050625. [PMID: 35270095 PMCID: PMC8912324 DOI: 10.3390/plants11050625] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/15/2022] [Accepted: 02/21/2022] [Indexed: 05/03/2023]
Abstract
Salvia species have a cosmopolitan distribution and comprise several well-known plants valuable for pharmaceutical and food industries due to their recognized medicinal, food flavouring, and preservative properties. The present study aimed to evaluate and compare the biological activities of seven wild-growing Salvia species from the Mediterranean area (S. fruticosa, S. glutinosa, S. nemorosa, S. officinalis, S. pratensis, S. sclarea, S. verticillata). All studied ethanolic leaf extracts exhibited significant DPPH and NO radical scavenging ability, lipid peroxidation inhibition, and reducing power, as well as moderate iron-chelating properties. Together with S. officinalis and S. fruticosa, S. verticillata showed anti-acetylcholinesterase activity, while S. glutinosa was also found to possess the ability to inhibit α-glucosidase. Total flavonoid (0.37-0.90%), phenolic acid (3.55-12.44%), tannin (1.22-2.60%), and anthocyanin contents (0.03-0.08%) were determined in Salvia leaves. Rosmarinic acid was the predominant hydroxycinnamic acid in all studied sage plants, ranging from 9400 to 38,800 μg/g. The correlation study showed a strong relationship between biological activities and contents of total phenolic acids, total tannins, and rosmarinic acid, indicating their significant contribution to the efficiency of tested Salvia species. Our results highlighted Mediterranean sage plants as rich sources of potent antioxidant, neuroprotective, and hypoglycemic agents which are worthy of further research.
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Khalid M, Alqarni MH, Alsayari A, Foudah AI, Aljarba TM, Mukim M, Alamri MA, Abullais SS, Wahab S. Anti-Diabetic Activity of Bioactive Compound Extracted from Spondias mangifera Fruit: In-Vitro and Molecular Docking Approaches. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11040562. [PMID: 35214895 PMCID: PMC8880729 DOI: 10.3390/plants11040562] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/13/2022] [Accepted: 02/15/2022] [Indexed: 05/19/2023]
Abstract
Spondias mangifera is a drupaceous fruit popular for its flavour and health advantages. There is little scientific knowledge about S. mangifera, despite its widespread usage in traditional medicine, in the North-Eastern region of India. Inhibiting the key carbohydrate hydrolysing enzymes is one of the strategies for managing diabetes. Therefore, this study studied the antioxidant and anti-diabetic properties of different fraction S. mangifera fruit extract (SMFFs) from Indian geographical origin by in vitro experimental assays and silico docking simulation studies. The ADMET prediction for active substances was also investigated using the AdmetSAR database. Based on the binding affinity/molecular interactions between phytocompounds and target enzymes, in silico investigations were done to confirm the in vitro enzymatic inhibitory capability. β-sitosterol in EtOH-F was analysed using RP-HPLC with RP-C18 column as stationary phase and photo diode array detector. The percentage of β-sitosterol was found to be 1.21% ± 0.17% of total weight of extract (w/w). S. mangifera fruit ethanolic extract had a significant inhibitory concentration of 50% against free radicals produced by ABTS (89.71 ± 2.73%) and lipid peroxidation assay (88.26 ± 2.17%) tests. Similarly, the in vitro antidiabetic test findings indicated that S. mangifera inhibited alpha-amylase (73.42 ± 2.01%) and alpha-glucosidase (79.23 ± 1.98%) enzymes dose-dependently. The maximum glycosylated Hb percentage inhibitory activity shown in the ethanolic fraction was (83.97 ± 2.88%) at 500 µg/mL. The glucose uptake of the ethanolic fraction by the yeast cell showed significant (p < 0.05) at 500 µg/mL when compared with metformin (91.37 ± 1.59%), whereas the other fraction did not show the uptake of glucose by the yeast cell at the same concentration. In the docking study, the main phytoconstituents of S. mangifera fruit, such as oleanolic acid, beta-sitosterol, and beta amyrin, show strong affinity for pancreatic α-amylase. These results imply that S. mangifera has α-amylase and α-glucosidase inhibitory properties and may be used as antidiabetic with antioxidant characteristics.
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Affiliation(s)
- Mohammad Khalid
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia; (M.H.A.); (A.I.F.); (T.M.A.)
- Correspondence:
| | - Mohammed H. Alqarni
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia; (M.H.A.); (A.I.F.); (T.M.A.)
| | - Abdulrhman Alsayari
- Department of Pharmacognosy, College of Pharmacy, King Khalid University, Abha 61421, Saudi Arabia; (A.A.); (S.W.)
| | - Ahmed I. Foudah
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia; (M.H.A.); (A.I.F.); (T.M.A.)
| | - Tariq M. Aljarba
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia; (M.H.A.); (A.I.F.); (T.M.A.)
| | - Mohammad Mukim
- Department of Pharmacology, Kota College of Pharmacy, Kota 324005, Rajasthan, India;
| | - Mubarak A. Alamri
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia;
| | - Shahabe Saquib Abullais
- Department of Periodontics and Community Dental Sciences, College of Dentistry, King Khalid University, Abha 61421, Saudi Arabia;
| | - Shadma Wahab
- Department of Pharmacognosy, College of Pharmacy, King Khalid University, Abha 61421, Saudi Arabia; (A.A.); (S.W.)
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Potential for Prebiotic Stabilized Cornus mas L. Lyophilized Extract in the Prophylaxis of Diabetes Mellitus in Streptozotocin Diabetic Rats. Antioxidants (Basel) 2022; 11:antiox11020380. [PMID: 35204262 PMCID: PMC8868578 DOI: 10.3390/antiox11020380] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/09/2022] [Accepted: 02/10/2022] [Indexed: 12/16/2022] Open
Abstract
As a systemic disease, diabetes mellitus (DM) is characterized by the disruption of many glucose metabolic pathways. Therefore, it seems critical to study new therapies to support treatment to develop therapeutic systems that can operate across a broad metabolic spectrum. The current state of knowledge indicates an essential role of the gut microbiota in the development and course of the disease. Cornus mas fruits have demonstrated a rich biological activity profile and potential for application in the treatment of DM. As part of a preliminary analysis, the activity of four cultivars of Cornus mas fruits was analyzed. The cultivar Wydubieckij was selected as having the highest activity in in vitro conditions for further prebiotic system preparation. The study aimed to develop a unique therapeutic system based, first of all, on the mechanism of α-glucosidase inhibition and the antioxidant effect resulting from the activity of the plant extract used, combined with the prebiotic effect of inulin. The obtained system was characterized in vitro in terms of antioxidant activity and enzyme inhibition capacity, and was then tested on diabetic rats. The study was coupled with an analysis of changes in the intestinal microflora. The system of prebiotic stabilized Cornus mas L. lyophilized extract with inulin offers valuable support for the prophylaxis and treatment of DM.
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Šola I, Poljuha D, Mikulic-Petkovsek M, Davosir D, Pinterić M, Bilić J, Veberic R, Hudina M, Rusak G. Biopotential of Underutilized Rosaceae Inflorescences: LC-DAD-MS Phytochemical Profiles Associated with Antioxidant, Antidiabetic, Anti-Inflammatory and Antiproliferative Activity In Vitro. PLANTS 2022; 11:plants11030271. [PMID: 35161257 PMCID: PMC8838311 DOI: 10.3390/plants11030271] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/02/2022] [Accepted: 01/17/2022] [Indexed: 01/16/2023]
Abstract
The aim of this work was to assess the biopotential of the young inflorescence tissues of Prunus, Malus and Chaenomeles in order to evaluate the possibility of their application in the food industry, and to provide a polyphenolic fingerprint for their quality control. The contents of different bioactive compounds and their antioxidant capacities were spectrophotometrically measured, the main phenolic compounds were identified and quantified using LC-DAD-MS, the antidiabetic potential was determined using α-amylase and α-glucosidase inhibition assays, the anti-inflammatory potential was determined using a 5-lipoxygenase inhibition assay, and the cytotoxicity was determined by MTT assay. Using one-way ANOVA, principal component analysis, hierarchical clustering and Pearson’s correlation coefficient, the relations between the samples, and between the samples and the measured parameters, were revealed. In total, 77 compounds were identified. The concentration of sugars was low in M. purpurea, at 1.56 ± 0.08 mg/g DW. The most effective sample in the inhibition of antidiabetic enzymes and anti-inflammatory 5-lipoxygenase was C. japonica. The inhibition of α-glucosidase was strongly positively correlated with the total and condensed tannins, procyanidin dimers and procyanidin tetramer, and was very strongly correlated with chlorogenic acid. In α-amylase inhibition, C. japonica and P. serrulata ‘Kiku Shidare Zakura’ were equally efficient to the standard inhibitor, maltose. The most effective in the growth and proliferation inhibition of HepG2, HCT116 and HaCaT cells was P. avium. The results suggest Prunus, Malus and Chaenomeles inflorescences as functional food ingredients.
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Affiliation(s)
- Ivana Šola
- Department of Biology, Faculty of Science, University of Zagreb, Horvatovac 102a, 10000 Zagreb, Croatia; (D.D.); (G.R.)
- Correspondence: ; Tel.: +385-1-4898094
| | - Danijela Poljuha
- Department of Agriculture and Nutrition, Institute of Agriculture and Tourism, Karla Huguesa 8, 52440 Poreč, Croatia;
| | - Maja Mikulic-Petkovsek
- Department of Agronomy, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia; (M.M.-P.); (R.V.); (M.H.)
| | - Dino Davosir
- Department of Biology, Faculty of Science, University of Zagreb, Horvatovac 102a, 10000 Zagreb, Croatia; (D.D.); (G.R.)
| | - Marija Pinterić
- Division of Molecular Medicine, Ruđer Bošković Institute, 10000 Zagreb, Croatia;
| | - Josipa Bilić
- METRIS Research Centre, Istrian University of Applied Sciences, Riva 6, 52100 Pula, Croatia;
| | - Robert Veberic
- Department of Agronomy, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia; (M.M.-P.); (R.V.); (M.H.)
| | - Metka Hudina
- Department of Agronomy, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia; (M.M.-P.); (R.V.); (M.H.)
| | - Gordana Rusak
- Department of Biology, Faculty of Science, University of Zagreb, Horvatovac 102a, 10000 Zagreb, Croatia; (D.D.); (G.R.)
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Alvi Z, Akhtar M, Mahmood A, Ur-Rahman N, Nazir I, Sadaquat H, Ijaz M, Syed SK, Waqas MK, Wang Y. Enhanced Oral Bioavailability of Epalrestat SBE 7-β-CD Complex Loaded Chitosan Nanoparticles: Preparation, Characterization and in-vivo Pharmacokinetic Evaluation. Int J Nanomedicine 2022; 16:8353-8373. [PMID: 35002232 PMCID: PMC8721161 DOI: 10.2147/ijn.s339857] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Accepted: 12/03/2021] [Indexed: 12/25/2022] Open
Abstract
Background Epalrestat (EPL) is a carboxylic acid derivative with poor aqueous solubility and its pharmacokinetic features are not fully defined. Purpose Current research aimed to fabricate inclusion complexation of EPL with SBE7 β-CD (IC) and EPL/SBE7 β-CD CS NPs (NP). Methods EPL was complexed with SBE7 β-CD using the co-precipitation method, and the prepared complex was fabricated into nanoparticles using the ionic gelation method. The prepared formulations were characterized for particle size analysis, surface morphology, and in vitro dissolution study. The % inhibition of EPL against α-glucosidase enzyme was also conducted to check the drug’s antidiabetic activity. Finally, an in vivo pharmacokinetic investigation was carried out to determine the concentration of EPL in rabbit plasma of the prepared formulation. In vivo pharmacokinetic studies were conducted by giving a single dose of pure EPL, IC, and NP. Results The size of NP was found to be 241.5 nm with PDI 0.363 and zeta potential of +31.8 mV. The surface of the prepared NP was non-porous, smooth and spherical when compared with pure EPL, SBE7 β-CD and IC. The cumulative drug release (%) from IC and NP was 73% and 88%, respectively, as compared to pure drug (25%). The % inhibition results for in vitro α-glucosidase was reported to be 74.1% and the predicted binding energy for in silico molecular docking was calculated to be −6.6 kcal/mol. The calculated Cmax values for EPL, IC and NP were 4.75±3.64, 66.91±7.58 and 84.27±6.91 μg/mL, respectively. The elimination half-life of EPL was 4 h and reduced to 2 h for IC and NP. The AUC0-α for EPL, IC and NP were 191.5±164.63, 1054.23±161.77 and 1072.5±159.54 μg/mL*h, respectively. Conclusion Taking these parameters into consideration it can be concluded that IC and NP have prospective applications for greatly improved delivery and regulatedt release of poorly water soluble drugs, potentially leading to increase therapeutic efficacy and fewer side effects.
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Affiliation(s)
- Zunaira Alvi
- Department of Pharmaceutics, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, Punjab, 63100, Pakistan
| | - Muhammad Akhtar
- Department of Pharmaceutics, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, Punjab, 63100, Pakistan.,Department of Medical Laboratory Technology, Faculty of Medicine and Allied Health Sciences, The Islamia University of Bahawalpur, Bahawalpur, Punjab, 63100, Pakistan
| | - Arshad Mahmood
- College of Pharmacy, Al Ain University, Abu Dhabi Campus, Abu Dhabi, United Arab Emirates
| | - Nisar Ur-Rahman
- Department of Pharmacy, Royal College of Medical Sciences (RIMS), Multan, Punjab, 60000, Pakistan
| | - Imran Nazir
- Bahawal Victoria Hospital, Bahawalpur, Punjab, 63100, Pakistan
| | - Hadia Sadaquat
- Department of Pharmaceutics, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, Punjab, 63100, Pakistan
| | - Muhammad Ijaz
- Department of Pharmacy, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan
| | - Shahzada Khurram Syed
- Department of Basic Medical Sciences, School of Health Sciences, University of Management and Technology, Lahore, Pakistan
| | - Muhammad Khurram Waqas
- Institute of Pharmaceutical Sciences, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Yi Wang
- Center for Advanced Low-Dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201600, People's Republic of China
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Aljehany BM. Antiviral and Anti-SARS-CoV-2 Activity of Natural Chlorogenic Acid and Its Synthetic Derivatives. ARCHIVES OF PHARMACY PRACTICE 2022. [DOI: 10.51847/pg8lad1tqf] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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42
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Olugbuyi AO, Malomo SA, Ijarotimi OS, Fagbemi TN. Amino Acids Profile,Glyceamic Index/load, In-vitro Antioxidant and Sensory Attributes of Optimized Dough Meal from the Blends of Plantain, Soycake and Rice-bran Flours. JOURNAL OF CULINARY SCIENCE & TECHNOLOGY 2021. [DOI: 10.1080/15428052.2021.2016530] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Ayo Oluwadunsin Olugbuyi
- Department of Hospitality and Tourism Management, Federal University, Oye Ekiti, Nigeria
- Department of Food Science and Technology, Federal University of Technology, Akure, Nigeria
| | - Sunday Abiodun Malomo
- Department of Food Science and Technology, Federal University of Technology, Akure, Nigeria
| | | | - Tayo Nathaniel Fagbemi
- Department of Food Science and Technology, Federal University of Technology, Akure, Nigeria
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Salami M, Sadeghian Motahar SF, Ariaeenejad S, Sheykh Abdollahzadeh Mamaghani A, Kavousi K, Moosavi-Movahedi AA, Hosseini Salekdeh G. The novel homologue of the human α-glucosidase inhibited by the non-germinated and germinated quinoa protein hydrolysates after in vitro gastrointestinal digestion. J Food Biochem 2021; 46:e14030. [PMID: 34914113 DOI: 10.1111/jfbc.14030] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 10/31/2021] [Accepted: 11/02/2021] [Indexed: 12/14/2022]
Abstract
Quinoa (Chenopodium quinoa Willd) is a potential source of protein with ideal amino acid profiles which its bioactive compounds can be improved during germination and gastrointestinal digestion. The present investigation studies the impact of germination for 24 hr and simulated gastrointestinal digestion on α-glucosidase inhibitory activity of the quinoa protein and bioactive peptides against the novel homologue of human α-glucosidase, PersiAlpha-GL1. The sprouted quinoa after gastroduodenal digestion was the most effective α-glucosidase inhibitor showing 81.10% α-glucosidase inhibition at concentration 4 mg/ml with the half inhibition rate (IC50 ) of 0.07 mg/ml. Based on the kinetic analysis, both the germinated and non-germinated samples before and after digestion were competitive-type inhibitors of α-glucosidase. Results of this study showed the improved α-glucosidase inhibitory activity of the quinoa bioactive peptides after germination and gastrointestinal digestion and highlighted the potential of metagenome-derived PersiAlpha-GL1 as a novel homologue of the human α-glucosidase for developing the future anti-diabetic drugs. PRACTICAL APPLICATIONS: This study aimed to evaluate the effect of germination and gastrointestinal digestion of the quinoa protein and bioactive peptides on α-glucosidase inhibitory activity against the novel PersiAlpha-GL1. Metagenomic data were used to identify the novel α-glucosidase structurally and functionally homologue of human intestinal. The results showed the highest inhibition on PersiAlpha-GL1 by a germinated quinoa after gastroduodenal digestion and confirmed the potential of PersiAlpha-GL1 to enhance the effectiveness of the anti-diabetic drugs for industrial application.
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Affiliation(s)
- Maryam Salami
- Department of Food Science and Engineering, University College of Agriculture & Natural Resources, University of Tehran, Karaj, Iran
| | - Seyedeh Fatemeh Sadeghian Motahar
- Department of Food Science and Engineering, University College of Agriculture & Natural Resources, University of Tehran, Karaj, Iran
| | - Shohreh Ariaeenejad
- Department of Systems and Synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran
| | - Atefeh Sheykh Abdollahzadeh Mamaghani
- Department of Systems and Synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran
| | - Kaveh Kavousi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | | | - Ghasem Hosseini Salekdeh
- Department of Systems and Synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran
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Oboh M, Govender L, Siwela M, Mkhwanazi BN. Anti-Diabetic Potential of Plant-Based Pentacyclic Triterpene Derivatives: Progress Made to Improve Efficacy and Bioavailability. Molecules 2021; 26:7243. [PMID: 34885816 PMCID: PMC8659003 DOI: 10.3390/molecules26237243] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/18/2021] [Accepted: 11/24/2021] [Indexed: 11/29/2022] Open
Abstract
Diabetes mellitus (DM) results from the inability of the pancreas to produce sufficient insulin or weakened cellular response to the insulin produced, which leads to hyperglycemia. Current treatments of DM focus on the use of oral hypoglycemic drugs such as acarbose, alpha-glucose inhibitors, sulphonylureas, thiazolidinediones, and biguanides to control blood glucose levels. However, these medications are known to have various side effects in addition to their bioavailability, efficacy, and safety concerns. These drawbacks have increased interest in the anti-diabetic potential of plant-derived bioactive compounds such as oleanolic and maslinic acids. Although their efficacy in ameliorating blood glucose levels has been reported in several studies, their bioavailability and efficacy remain of concern. The current review examines the anti-diabetic effects of oleanolic, maslinic, asiatic, ursolic, and corosolic acids and their derivatives, as well as the progress made thus far to enhance their bioavailability and efficacy. The literature for the current review was gathered from leading academic databases-including Google Scholar and PubMed-the key words listed below were used. The literature was searched as widely and comprehensively as possible without a defined range of dates.
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Affiliation(s)
| | | | | | - Blessing Nkazimulo Mkhwanazi
- Dietetics and Human Nutrition, School of Agricultural, Earth and Environmental Sciences, University of Kwazulu-Natal, Private Bag X01, Scottsville 3209, Pietermaritzburg 3201, South Africa; (M.O.); (L.G.); (M.S.)
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Mashiane P, Manhivi VE, Shoko T, Slabbert RM, Sultanbawa Y, Sivakumar D. Cooking African Pumpkin Leaves ( Momordicabalsamina L.) by Stir-Frying Improved Bioactivity and Bioaccessibility of Metabolites-Metabolomic and Chemometric Approaches. Foods 2021; 10:foods10112890. [PMID: 34829171 PMCID: PMC8621757 DOI: 10.3390/foods10112890] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 11/16/2021] [Accepted: 11/17/2021] [Indexed: 01/22/2023] Open
Abstract
The leaves of African pumpkins (Momordica balsamina L.) are a commonly consumed traditional vegetable. They are a good source of polyphenolic antioxidants and carotenoids, which are, however, affected by cooking or digestion. We investigated the effect of household cooking methods (stir-frying or boiling) on the changes in bioactive metabolites, antioxidant capacity, release and accessibility of β-carotene and also inhibition of inhibitory activity against α-amylase and α-glucosidase enzymes during in vitro digestion of African pumpkin leaves compared to the raw leaves. Compared to boiled or raw leaves, stir-frying improved the availability of bioactive metabolites at the gastrointestinal phase. Quercetin 3-galactoside and rhamnetin 3-O-glucoside (marker compounds) discriminated the stir-fried leaves from raw leaves and boiled leaves after digestion. Stir-frying improved the release and accessibility of β-carotene and enhanced the antioxidant activities compared to boiling. Dialysable fractions of stir-fried leaves exhibited the greatest inhibitory activity against α-amylase and α-glucosidase enzymes compared to the raw and boiled leaves, as well as acarbose. Stir-frying, therefore, is recommended for use in household cooking to benefit consumers by increasing the intake of phenolics and β-carotene.
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Affiliation(s)
- Petunia Mashiane
- Department of Horticulture, Tshwane University of Technology, Pretoria 0001, South Africa; (P.M.); (R.M.S.)
- Phytochemical Food Network Research Group, Department of Crop Sciences, Tshwane University of Technology, Pretoria 0001, South Africa; (V.E.M.); (T.S.)
| | - Vimbainashe E. Manhivi
- Phytochemical Food Network Research Group, Department of Crop Sciences, Tshwane University of Technology, Pretoria 0001, South Africa; (V.E.M.); (T.S.)
| | - Tinotenda Shoko
- Phytochemical Food Network Research Group, Department of Crop Sciences, Tshwane University of Technology, Pretoria 0001, South Africa; (V.E.M.); (T.S.)
| | - Retha M. Slabbert
- Department of Horticulture, Tshwane University of Technology, Pretoria 0001, South Africa; (P.M.); (R.M.S.)
| | - Yasmina Sultanbawa
- Agricultural Research Council Industrial Transformation Training Centre for Uniquely Australian Foods, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia;
| | - Dharini Sivakumar
- Phytochemical Food Network Research Group, Department of Crop Sciences, Tshwane University of Technology, Pretoria 0001, South Africa; (V.E.M.); (T.S.)
- Agricultural Research Council Industrial Transformation Training Centre for Uniquely Australian Foods, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD 4072, Australia;
- Correspondence:
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de Armas-Ricard M, Quinán-Cárdenas F, Sanhueza H, Pérez-Vidal R, Mayorga-Lobos C, Ramírez-Rodríguez O. Phytochemical Screening and Antioxidant Activity of Seven Native Species Growing in the Forests of Southern Chilean Patagonia. Molecules 2021; 26:6722. [PMID: 34771130 PMCID: PMC8587661 DOI: 10.3390/molecules26216722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/29/2021] [Accepted: 10/31/2021] [Indexed: 11/17/2022] Open
Abstract
The genus Nothofagus is one of the most abundant in the subantarctic Patagonian forests. Five species inhabit these ecosystems, three evergreen (Nothofagus betuloides, Nothofagus dombeyi, and Nothofagus nitida) and two deciduous (Nothofagus pumilio and Nothofagus antarctica). This is the first report on the levels of secondary metabolites and the antioxidant capacity of Patagonian tree species growing in natural environments. The aim of this work was to carry out a phytochemical screening, to determine the antioxidant capacity, the sun protection factor, and the α-glucosidase and tyrosinase inhibitory activity of foliar extracts of the five previous species. Besides, Aristotelia chilensis and Berberis microphylla, two species of Patagonian shrubs growing in the same forests, were used as reference. N. dombeyi was the Nothofagus with the best antioxidant capacity. B. microphylla differed from all studied species. Moreover, the Nothofagus was split into two groups. N. betuloides and N. dombeyi are the most similar species to A. chilensis. The α-glucosidase was completely inhibited by all studied extracts. Furthermore, N. antarctica, N.pumilio, and N. nitida inhibited about 70% of the tyrosinase activity. All the results found in this study for the species of the genus Nothofagus support further research on their potential beneficial properties for human health.
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Affiliation(s)
- Merly de Armas-Ricard
- Laboratory of Chemistry and Biochemistry, Campus Lillo, University of Aysén. Eusebio Lillo 667, Coyhaique 5951537, Chile; (F.Q.-C.); (H.S.); (R.P.-V.); (C.M.-L.)
- Campus Patagonia, Universidad Austral de Chile, Camino a Coyhaique Alto Km. 4, Coyhaique 5950000, Chile
| | - Francisco Quinán-Cárdenas
- Laboratory of Chemistry and Biochemistry, Campus Lillo, University of Aysén. Eusebio Lillo 667, Coyhaique 5951537, Chile; (F.Q.-C.); (H.S.); (R.P.-V.); (C.M.-L.)
- Faculty of Sciences, University of Chile, Las Palmeras 3425, Santiago 7800003, Chile
| | - Harold Sanhueza
- Laboratory of Chemistry and Biochemistry, Campus Lillo, University of Aysén. Eusebio Lillo 667, Coyhaique 5951537, Chile; (F.Q.-C.); (H.S.); (R.P.-V.); (C.M.-L.)
| | - Rodrigo Pérez-Vidal
- Laboratory of Chemistry and Biochemistry, Campus Lillo, University of Aysén. Eusebio Lillo 667, Coyhaique 5951537, Chile; (F.Q.-C.); (H.S.); (R.P.-V.); (C.M.-L.)
| | - Cristina Mayorga-Lobos
- Laboratory of Chemistry and Biochemistry, Campus Lillo, University of Aysén. Eusebio Lillo 667, Coyhaique 5951537, Chile; (F.Q.-C.); (H.S.); (R.P.-V.); (C.M.-L.)
- Faculty of Chemical and Pharmaceutical Sciences, University of Chile, Santos Dumont 964, Santiago 8380494, Chile
| | - Oney Ramírez-Rodríguez
- Laboratory of Chemistry and Biochemistry, Campus Lillo, University of Aysén. Eusebio Lillo 667, Coyhaique 5951537, Chile; (F.Q.-C.); (H.S.); (R.P.-V.); (C.M.-L.)
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Nutritional composition, biological activities, and cytotoxicity of the underutilized fruit of Eleiodoxa conferta. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2021. [DOI: 10.1007/s11694-021-00981-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Chen Q, Toy JYH, Seta C, Yeo TC, Huang D. Inhibition Effect of Extract of Psychotria viridiflora Stem on α-Amylase and α-Glucosidase and Its Application in Lowering the Digestibility of Noodles. Front Nutr 2021; 8:701114. [PMID: 34458304 PMCID: PMC8387799 DOI: 10.3389/fnut.2021.701114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 07/16/2021] [Indexed: 11/17/2022] Open
Abstract
A collection of tropical medicinal plants from East Malaysia's rainforests are used by indigenous tribes for their curative properties. Despite their purported healing properties, these forest plant species are largely unexplored and hence remain virtually unknown to the outside world. In this study, antidiabetic properties of Psychotria viridiflora, a plant used to treat diabetes by a local community in Sarawak, Malaysia were investigated. Ethyl acetate (EA) extract of P. viridiflora stem was found to exhibit high starch hydrolase inhibition activity with an IC50 value of 15.4 ± 2.1 μg/ml against porcine α-amylase and an IC50 value of 32.4 ± 3.7 μg/ml against rat intestinal α-glucosidase. A complex mixture of A-type oligomeric proanthocyanidins containing (epi)fisetinidol, (epi)afzelechin, (epi)guibourtinidol, and (epi)catechin were found. These compounds may be responsible for the starch hydrolase inhibition activity. Ethyl acetate (EA) extract of P. viridiflora stem was incorporated into wheat and rice flour to reformulate noodles with slow digestibility and was assessed under in vitro simulated gastrointestinal conditions. A dose-dependent effect on digestibility was observed for both noodles upon incorporation of 1-6% (w/w) of EA extract, with noodles containing 6% (w/w) extract exhibiting the greatest reduction in digestibility. As compared to rice noodles containing 6% extract (31.16% inhibition), wheat noodles with the same extract concentration had a smaller decline in digestibility (27.25% inhibition) after 180 min. Overall, our findings highlight the potential of P. viridiflora in the prevention of postprandial hyperglycaemia.
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Affiliation(s)
- Qimin Chen
- Department of Food Science and Technology, National University of Singapore, Singapore, Singapore
| | - Joanne Yi Hui Toy
- Department of Food Science and Technology, National University of Singapore, Singapore, Singapore
| | | | | | - Dejian Huang
- Department of Food Science and Technology, National University of Singapore, Singapore, Singapore.,National University of Singapore (Suzhou) Research Institute, Suzhou Industrial Park, Suzhou, China
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Chemical Group Profiling, In Vitro and In Silico Evaluation of Aristolochia ringens on α-Amylase and α-Glucosidase Activity. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:6679185. [PMID: 34194523 PMCID: PMC8203400 DOI: 10.1155/2021/6679185] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 05/21/2021] [Indexed: 12/15/2022]
Abstract
Diabetes mellitus (DM) has become a global scourge, and there is a continuous search for novel compounds as viable alternatives to synthetic drugs which are often accompanied by severe adverse effects. Aristolochia ringens is among the scientifically implicated botanicals effective in the management of several degenerative diseases including DM. The current study evaluated the inhibitory mechanism(s) of root extract of A. ringens on α-amylase and α-glucosidase in vitro and in silico, while its constituents were characterized using liquid chromatography-mass spectrometric technique. The extract had concentration-dependent inhibitory effect on the study enzymes, and the inhibition compared well with that of standard drug (acarbose) with respective IC50 values of 0.67 mg/mL (α-amylase) and 0.57 mg/mL (α-glucosidase) compared with that of the extract (0.63 and 0.54 mg/mL). The extract competitively and uncompetitively inhibited α-amylase and α-glucosidase, respectively. Of the identified compounds, dianoside G (−12.4, −12.5 kcal/mol) and trilobine (−10.0, −10.0 kcal/mol) had significant interactions with α-amylase and α-glucosidase, respectively, while magnoflorine and asiatic acid also interacted keenly with both enzymes, with quercetin 3-O-glucuronide and strictosidine showing better affinity towards α-glucosidase. These observations are suggestive of involvement of these compounds as probable ligands contributing to antidiabetic potential of the extract. While studies are underway to demystify the yet to be identified compounds in the extract, the data presented have lent scientific credence to the acclaimed in vivo antidiabetic potential of the extract and suggested it as a viable source of oral hypoglycaemic agent.
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50
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Mashitoa FM, Manhivi V, Slabbert RM, Shai JL, Sivakumar D. Changes in antinutrients, phenolics, antioxidant activities and in vitro α-glucosidase inhibitory activity in pumpkin leaves ( Cucurbita moschata) during different domestic cooking methods. Food Sci Biotechnol 2021; 30:793-800. [PMID: 34249384 DOI: 10.1007/s10068-021-00916-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 04/16/2021] [Accepted: 04/30/2021] [Indexed: 11/27/2022] Open
Abstract
Pumpkin leaves (Cucurbita moschata) were subjected to different household cooking methods (boiling, microwaving, steaming, and stir-frying) to evaluate their effect on antinutrients, phenolic compounds, antioxidant properties (ABTS, and DPPH) and in vitro α-glucosidase activity. All cooking methods studied significantly reduced the antinutrients and antioxidant activities, whilst phenolic compounds p-coumaric and ferulic acids significantly increased. The cooking methods reduced the oxalates by more than 50%, tannins by 47% and phytates by 79.22%. Steaming and boiling resulted in highest concentrations of p-coumaric (195.40 mg kg-1) and ferulic acids (103.90 mg kg-1) compared to other methods. Overall, boiled leaves retained the highest total phenolic compounds, whilst steamed leaves retained the highest antioxidant capacity. Raw pumpkin leaf extracts showed higher in vitro α-glucosidase inhibitory effects than the cooked leaves. Thus, cooking affected the inhibitory effect of in vitro α-glucosidase activity. Supplementary Information The online version contains supplementary material available at 10.1007/s10068-021-00916-w.
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Affiliation(s)
- Florence M Mashitoa
- Department of Horticulture, Tshwane University of Technology, Pretoria West, 0001 Gauteng South Africa
| | - Vimbainashe Manhivi
- Phytochemical Food Network Group, Department of Crop Sciences, Tshwane University of Technology, Pretoria West, 0001 Gauteng South Africa
| | - Retha M Slabbert
- Department of Horticulture, Tshwane University of Technology, Pretoria West, 0001 Gauteng South Africa
| | - Jerry L Shai
- Department of Biomedical Sciences, Tshwane University of Technology, Arcadia, Pretoria, 0001 Gauteng South Africa
| | - Dharini Sivakumar
- Phytochemical Food Network Group, Department of Crop Sciences, Tshwane University of Technology, Pretoria West, 0001 Gauteng South Africa
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