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Chgari O, Wahnou H, Ndayambaje M, Moukhfi F, Benkhnigue O, Marnissi F, Limami Y, Oudghiri M. Orbea variegata (L.) Haw in skin carcinogenesis: insights from an in vivo male Swiss mouse model study. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2024; 87:630-645. [PMID: 38741420 DOI: 10.1080/15287394.2024.2354790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Skin cancer is the most widespread type of malignant tumor representing a major public health concern. Considering the numerous side effects associated with conventional treatments, phytotherapy may be regarded as a viable medicinal alternative. This study aimed to investigate the therapeutic potential of Orbea variegata (L.) Haw, an ornamental plant, in treating skin cancer using an animal model induced by a combination of ultraviolet (UV) irradiation and sulfuric acid treatment. The hydroethanolic extract of Orbea variegata underwent phytochemical characterization, identifying the presence of reducing sugars, coumarins, alkaloids, flavonoids, tannins, and saponins through qualitative screening. Quantitative analysis demonstrated significant amounts of phenolic compounds (29.435 ± 0.571 mg GAE/g of dry extract), flavonoids (6.711 ± 0.272 mg QE/g of dry extract), and tannins (274.037 ± 11.3 mg CE/g of dry extract). The administration the hydroethanolic extract in two concentrations (1 or 2 g/kg) to male Swiss mice exhibited no marked adverse effects, as evidenced by serum aspartate aminotransferase (AST) and alanine aminotransferase (ALT) enzyme activity levels. In addition, the extract significantly reduced skin hyperplasia and inflammation induced by UV/sulfuric acid treatment as noted in tissue analyses and decreased protein expression of nuclear proliferation marker (Ki-67). This improvement was associated with a marked decrease in oxidative stress, as indicated by diminished lipid peroxidation levels, and restoration of the activity of endogenous antioxidant enzyme catalase (CAT) to control levels. Our findings demonstrated the potential of Orbea variegata hydroethanolic extract to be considered as a treatment for skin cancer, exhibiting its apparent safety and efficacy in reducing inflammation and carcinogenesis in a UV/sulfuric acid-induced Swiss mouse model, attributed to its phytochemical content and associated antioxidant activities.
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Affiliation(s)
- Oumaima Chgari
- Laboratory of Immunology and Biodiversity, Faculty of Sciences Ain Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - Hicham Wahnou
- Laboratory of Immunology and Biodiversity, Faculty of Sciences Ain Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - Martin Ndayambaje
- Laboratory of Immunology and Biodiversity, Faculty of Sciences Ain Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - Fatimazahra Moukhfi
- Laboratory of Immunology and Biodiversity, Faculty of Sciences Ain Chock, Hassan II University of Casablanca, Casablanca, Morocco
| | - Ouafae Benkhnigue
- Department of Botany and Plant Ecology, Scientific Institute, Mohammed V University in Rabat, Rabat, Morocco
| | - Farida Marnissi
- Laboratory of Pathological Anatomy, Ibn Rochd University Hospital-Casablanca, Casablanca, Morocco
| | - Youness Limami
- Laboratory of Immunology and Biodiversity, Faculty of Sciences Ain Chock, Hassan II University of Casablanca, Casablanca, Morocco
- Laboratory of Health Sciences and Technologies, Higher Institute of Health Sciences, Hassan First University of Settat, Settat, Morocco
| | - Mounia Oudghiri
- Laboratory of Immunology and Biodiversity, Faculty of Sciences Ain Chock, Hassan II University of Casablanca, Casablanca, Morocco
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Cherrada N, Elkhalifa Chemsa A, Erol E, Günaydın Akyildiz A, Oyku Dinc H, Gheraissa N, Ghemam Amara D, Rebiai A, Abdel-Kader MS, Messaoudi M. Phytochemical profiling of Salsola tetragona Delile by LC-HR/MS and investigation of the antioxidant, anti-inflammatory, cytotoxic, antibacterial and anti-SARS-CoV-2 activities. Saudi Pharm J 2023; 31:101731. [PMID: 37638223 PMCID: PMC10448174 DOI: 10.1016/j.jsps.2023.101731] [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: 05/15/2023] [Accepted: 07/28/2023] [Indexed: 08/29/2023] Open
Abstract
This study aimed to investigate the phytochemical composition and biological activity of Salsola tetragona Delile. (Amaranthaceae), a medicinal plant. The study evaluated the antioxidant potential of the crude extract and five fractions of S. tetragona using DPPH•, ABTS•+, CUPRAC, and metal chelating assays. The anti-inflammatory activity was determined using a protein denaturation assay, and the antibacterial activity was determined by the Minimum inhibitory concentrations (MICs) for the growth of Escherichia coli and Staphylococcus aureus strains. The MTT test and an in vitro scratch assay evaluated the effects on cell viability and cell migration. The potential anti-SARS-CoV-2 activity was assessed by analyzing the effects on the interaction between ACE2 and Spike protein. The bioactive compounds present in the plant were identified using LC-HR/MS analysis. The crude hydromethanolic extract (STM) and five fractions of S. tetragona, n-hexane (STH), dichloromethane (STD), ethyl acetate (STE), n-butanol (STB), and aqueous (STW) showed significant antioxidant activity in four different tests. In the anti-inflammatory assay, the ethyl acetate fraction exhibited significantly higher activity than Aspirin® (IC50 = 13 ± 5 µg/mL). The crude extract and its fractions showed positive antibacterial activity with similar MICs. In the cytotoxicity assay against the breast cancer cell line MCF7, the dichloromethane fractions (STD) were very effective and demonstrated superiority over the other fractions (IC50 = 98 µg/mL). Moreover, the potential of the extract and fractions as anti-SARS-CoV-2, the ethyl acetate, and dichloromethane fractions demonstrated important activity in this test. LC-HR/MS analysis identified 16 different phenolic compounds, Eleven of which had not been previously reported in the genus Salsola. The results suggest that the extracts of S. tetragona have the potential to become new sources for developing plant-based therapies for managing a range of diseases.
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Affiliation(s)
- Nezar Cherrada
- El Oued University, Faculty of Life and Natural Sciences, Department of Cellular and Molecular Biology, Algeria
- El Oued University, Laboratory of Biodiversity and Application of Biotechnology in Agriculture, Algeria
| | - Ahmed Elkhalifa Chemsa
- El Oued University, Laboratory of Biodiversity and Application of Biotechnology in Agriculture, Algeria
- El Oued University, Faculty of Life and Natural Sciences, Department of Biology, Algeria
| | - Ebru Erol
- Department Of Analytical Chemistry, Faculty of Pharmacy, Bezmialem Vakif University, Istanbul, Turkey
| | - Aysenur Günaydın Akyildiz
- Department Of Pharmaceutical Toxicology, Faculty of Pharmacy, Bezmialem Vakif University, Istanbul 34093, Turkey
| | - Harika Oyku Dinc
- Department Of Pharmaceutical Microbiology, Faculty of Pharmacy, Bezmialem Vakif University, Istanbul, Turkey
| | - Noura Gheraissa
- El Oued University, Faculty of Life and Natural Sciences, Department of Cellular and Molecular Biology, Algeria
- El Oued University, Laboratory of Biodiversity and Application of Biotechnology in Agriculture, Algeria
| | - Djilani Ghemam Amara
- El Oued University, Faculty of Life and Natural Sciences, Department of Cellular and Molecular Biology, Algeria
- El Oued University, Laboratory Biology, Environment And Health, Algeria
| | - Abdelkrim Rebiai
- Chemistry Department, Faculty of Exact Sciences, University of El Oued, P.O. Box 789, El Oued 39000, Algeria
- Renewable Energy Development unit in Arid Zones (UDERZA), University of El Oued, El Oued 39000, Algeria
| | - Maged S. Abdel-Kader
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
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Narayanan M, Gothandapani A, Venugopalan R, Rethinam M, Pitchai S, Alahmadi TA, Almoallim HS, Kandasamy S, Brindhadevi K. Antioxidant and anticancer potential of ethyl acetate extract of bark and flower of Tecoma stans (Linn) and In Silico studies on phytoligands against Bcl2 and VEGFR2 factors. ENVIRONMENTAL RESEARCH 2023; 231:116112. [PMID: 37182829 DOI: 10.1016/j.envres.2023.116112] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 05/03/2023] [Accepted: 05/10/2023] [Indexed: 05/16/2023]
Abstract
This study was designed to appraise the antioxidant and anticancer competence of solvent extracts of Tecoma stans (Linn) and analyze the phytoligands interaction against Bcl2 VEGFR2 through in silico studies. The phytochemical analysis revealed that the ethyl acetate extract contains more number of pharmaceutically valuable phytochemicals than other solvent extracts. Among the various phytochemicals, flavonoid was found as a predominant component, and UV-Vis- spectrophotometer analysis initially confirmed it. Hence, the column chromatogram was performed to purify the flavonoid, and High-performance liquid chromatography (HPLC) was performed. It revealed that the flavonoid enriched fraction by compared with standard flavonoid molecules. About 84.69% and 80.43% of antioxidant activity were found from ethyl acetate extract of bark and flower at the dosage of 80 μg mL-1 with the IC50 value of 47.24 and 43.40 μg mL-1, respectively. In a dose-dependent mode, the ethyl acetate extract of bark and flower showed cytotoxicity against breast cancer cell line MCF 7 (Michigan Cancer Foundation-7) as up to 81.38% and 80.94% of cytotoxicity respectively. Furthermore, the IC50 was found as 208.507 μg mL-1 and 207.38 μg mL-1 for bark and flower extract correspondingly. About 10 medicinal valued flavonoid components were identified from bark (6) and flower (4) ethyl acetate extract through LC-MS analysis. Out of 10 components, the 3,5-O-dicaffeoylquinic acid (ΔG -8.8) and Isorhamnetin-3-O-rutinoside (ΔG -8.3) had the competence to interact with Bcl2 (B-Cell Lymphoma 2) and VEGFR2 (Vascular Endothelial Growth Factor Receptor 2) respectively with more energy. Hence, these results confirm that the ethyl acetate extract of bark and flower of T. stans has significant medicinal potential and could be used as antioxidant and anticancer agent after some animal performance study.
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Affiliation(s)
- Mathiyazhagan Narayanan
- Division of Research and Innovations, Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Science, Chennai, 602 105, Tamil Nadu, India
| | - Anburaj Gothandapani
- Department of Chemistry PRIST Deemed to be University Thanjavur, Tamil Nadu, India
| | - Rajasudha Venugopalan
- Department of Chemistry, Annai Velankanni Arts & Science College, Thanjavur, Tamil Nadu, India
| | - Manikandan Rethinam
- Department of Chemistry, A.V.V.M Sri Pushpam College, Poondi, Thanjavur, Tamil Nadu, India
| | - Sakunthala Pitchai
- Deparment of Chemistry, Government Arts & Science College for Women, Orathanad, Thanjavur, Tamil Nadu, India
| | - Tahani Awad Alahmadi
- Department of Pediatrics, College of Medicine and King Khalid University Hospital, King Saud University, Medical City, PO Box-2925, Riyadh, 11461, Saudi Arabia
| | - Hesham S Almoallim
- Department of Oral and Maxillofacial Surgery, College of Dentistry, King Saud University, PO Box-60169, Riyadh, 11545, Saudi Arabia
| | - Sabariswaran Kandasamy
- Water-Energy Nexus Laboratory, Department of Environmental Engineering, University of Seoul, Seoul, 02504, Republic of Korea
| | - Kathirvel Brindhadevi
- Computational Engineering and Design Research Group, School of Engineering and Technology, Van Lang University, Ho Chi Minh City, Viet Nam.
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Gheraissa N, Chemsa AE, Cherrada N, Erol E, Elsharkawy ER, Ghemam-Amara D, Zeghoud S, Rebiai A, Messaoudi M, Sawicka B, Atanassova M, Abdel-Kader MS. Biochemical Profile and In Vitro Therapeutic Properties of Two Euhalophytes, Halocnemum strobilaceum Pall. and Suaeda fruticosa (L.) Forske., Grown in the Sabkha Ecosystem in the Algerian Sahara. Molecules 2023; 28:molecules28083580. [PMID: 37110814 PMCID: PMC10141351 DOI: 10.3390/molecules28083580] [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: 03/19/2023] [Revised: 04/06/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023] Open
Abstract
This study reports the biochemical profile and in vitro biological activities of the aerial part of two shrubs: Halocnemum strobilaceum and Suaeda fruticosa, a halophytes species native to saline habitats. The biomass was evaluated by determining its physiological properties and approximate composition. Hydro-methanolic extracts from Halocnemum strobilaceum and Suaeda fruticosa have been investigated for the inhibition of bacterial growth, the protection of proteins (albumin) from denaturation, and cytotoxicity to hepatocellular carcinomas (Huh-7 and HepG2). Their antioxidant activity was evaluated by five tests, including one that examined their ability to inhibit hydrogen peroxide (H2O2)-induced hemolysis. The profile of their phenolic compounds was also determined. These two euhalophytes had a high moisture content, high levels of photosynthetic pigments, elevated levels of ash and protein, low oxidative damage indices, MDA (Malondialdehyde) and proline, and low lipids levels. Their content was also characterized by a moderate acidity with good electrical conductivity. They contained abundant levels of phytochemicals and varied phenolic contents. Reverse phase high performance liquid chromatography (RP-HPLC) analysis revealed the presence of caffeic acid, p-coumaric acid, rutin, and quercetin in both plant extracts. On the pharmaceutical level, the two euhalophytes had anti-inflammatory, antibacterial, antioxidant, and cytotoxic properties, and therefore it was recommended to isolate and identify biologically active compounds from these plants and evaluate them in vivo.
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Affiliation(s)
- Noura Gheraissa
- Laboratory of Biodiversity and Application of Biotechnology in Agriculture, El Oued University, El Oued 39000, Algeria
- Department of Cellular and Molecular Biology, Faculty of Natural Science and Life, El Oued University, El Oued 39000, Algeria
| | - Ahmed Elkhalifa Chemsa
- Laboratory of Biodiversity and Application of Biotechnology in Agriculture, El Oued University, El Oued 39000, Algeria
- Department of Biology, Faculty of Natural Science and Life, El Oued University, El Oued 39000, Algeria
| | - Nezar Cherrada
- Laboratory of Biodiversity and Application of Biotechnology in Agriculture, El Oued University, El Oued 39000, Algeria
- Department of Cellular and Molecular Biology, Faculty of Natural Science and Life, El Oued University, El Oued 39000, Algeria
| | - Ebru Erol
- Department of Analytical Chemistry, Faculty of Pharmacy, Bezmialem Vakif University, İstanbul 34093, Türkiye
| | - Eman Ramadan Elsharkawy
- Department of Chemistry, Faculty of Science, Northern Border University, Arar 73213, Saudi Arabia
| | - Djilani Ghemam-Amara
- Department of Biology, Faculty of Natural Science and Life, El Oued University, El Oued 39000, Algeria
- Laboratory of Biology, Environment and Health, El Oued University, El Oued 39000, Algeria
| | - Soumeia Zeghoud
- Chemistry Department, Faculty of Exact Sciences, University of El Oued, El Oued 39000, Algeria
| | - Abdelkrim Rebiai
- Chemistry Department, Faculty of Exact Sciences, University of El Oued, El Oued 39000, Algeria
| | - Mohammed Messaoudi
- Chemistry Department, Faculty of Exact Sciences, University of El Oued, El Oued 39000, Algeria
- Nuclear Research Centre of Birine, Ain Oussera 17200, Algeria
| | - Barbara Sawicka
- Department of Plant Production Technology and Commodities Science, University of Life Science in Lublin, Akademicka 15 Str., 20-950 Lublin, Poland
| | - Maria Atanassova
- Nutritional Scientific Consulting, Chemical Engineering, University of Chemical Technology and Metalurgy, 1734 Sofia, Bulgaria
| | - Maged S Abdel-Kader
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
- Department of Pharmacognosy, Faculty of Pharmacy, Alexandria University, Alexandria 21215, Egypt
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Oguntoye MA, Oridupa OA, Ezekiel OO. Phenolic, flavonoid, and β-carotene contents of provitamin A cassava hydrolysate with free and encapsulated Lactobacillus rhamnosus GG improves antioxidant biomarkers in kidney, heart and liver of Wistar rats. J Food Sci 2023; 88:491-502. [PMID: 36448622 DOI: 10.1111/1750-3841.16391] [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: 08/13/2021] [Revised: 06/28/2022] [Accepted: 11/01/2022] [Indexed: 12/02/2022]
Abstract
In vitro antioxidant activity and possible in vivo antioxidative effects of provitamin A cassava hydrolysate inoculated with free or encapsulated Lactobacillus rhamnosus GG (LGG), a ready-to-drink probiotic beverage containing natural β-carotene and other phytochemicals, were evaluated. Provitamin A cassava was orally administered to male Wistar rats (n = 40, 120-150 g) for 30 days. Regression analysis showed the phenolic and total flavonoid contents of provitamin A cassava hydrolysate contributed 68% and 95%, respectively, to the antioxidant activity (by 1,1-diphenyl-2-picrylhydrazyl assay) (83.3 ± 1.8-87 ± 1.8%). in vivo study showed that malondialdehyde and superoxide dismutase activities were lowered or unchanged with a significant increase in antioxidant biomarkers (reduced glutathione, glutathione-S-transferase, and glutathione peroxidase) in the kidney, heart, and liver of all rats administered provitamin A cassava hydrolysate with LGG, especially at doses 2 × 1010 CFU, compared to control. Provitamin A cassava hydrolysate with LGG showed significant antioxidant activity In vitro and in vivo, thus indicating its potential usefulness in the food industry as an antioxidant beverage. PRACTICAL APPLICATION: This study reports the antioxidant properties of provitamin A cassava hydrolysate, which can be consumed as a refreshing beverage while also delivering antioxidant benefits. In the food and beverage industry, provitamin A cassava hydrolysate could be applied as a nutraceutical beverage with therapeutic functions. This product innovation increases the value-addition of cassava and expands the nondairy food matrix options used as probiotic carriers.
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Affiliation(s)
| | - Olayinka A Oridupa
- Department of Veterinary Pharmacology and Toxicology, University of Ibadan, Ibadan, Nigeria
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Ehiobu J, Idamokoro E, Afolayan A. Biofungicides for Improvement of Potato ( Solanum tuberosum L) Production. SCIENTIFICA 2022; 2022:1405900. [PMID: 36226271 PMCID: PMC9550405 DOI: 10.1155/2022/1405900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 09/09/2022] [Indexed: 06/16/2023]
Abstract
Potato (Solanum tuberosum L) cultivation originated from Peru in Latin America. The cultivation has spread fast across the globe due to its ability to cope in the warm tropical and temperate climate. It is spotted by the United Nations as the only tuberous crop that can compete with the cereals in productivity. Fungal disease infestation has been identified as a major challenge confronting the farmers during the cultivation and marketing processes. Farmers' reliance on Chemical fungicides has lost its credibility to the adoption of the use of biofungicides due to its toxic, high cost, and environmental hazard effects. The trend of the adoption of biofungicides by potato farmers is gaining ground at a fast rate. Various national governments are devising means of collaborating with the United Nations stakeholders through encouraging research funding and by organizing conferences that will enhance potato production. This could be achieved by minimizing losses through farmer's complete adoption of biofungicides. This review, therefore, examines the various botanicals with antimicrobial properties as potential biofungicide against fungi diseases of potato.
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Affiliation(s)
- John Ehiobu
- Medicinal Plants and Economic Development (MPED) Research Centre, Botany Department, University of Fort Hare, Alice 5700, South Africa
| | - Emrobowansan Idamokoro
- Faculty of Commerce and Administration, Department of Economics and Business Science, Walter Sisulu University, P/Bag X1, Mthatha 5117, South Africa
| | - Anthony Afolayan
- Medicinal Plants and Economic Development (MPED) Research Centre, Botany Department, University of Fort Hare, Alice 5700, South Africa
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Wang P, Shan N, Ali A, Sun J, Luo S, Xiao Y, Wang S, Hu R, Huang Y, Zhou Q. Comprehensive evaluation of functional components, biological activities, and minerals of yam species (Dioscorea polystachya and D. alata) from China. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Polyphenolic Contents, Free Radical Scavenging and Cholinesterase Inhibitory Activities of Dalbergiella welwitschii Leaf Extracts. PLANTS 2022; 11:plants11152066. [PMID: 35956544 PMCID: PMC9370258 DOI: 10.3390/plants11152066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 07/29/2022] [Accepted: 08/02/2022] [Indexed: 11/17/2022]
Abstract
A decoction of Dalbergiella welwitschii leaves has been used ethnomedicinally for the treatment of mental illness and inflammatory diseases amongst other diseases. In this study, the leaf methanol extract of D. welwitschii and its partition fractions: n-hexane, ethyl acetate and aqueous, were tested and evaluated for their polyphenolic contents, free radical scavenging and cholinesterase inhibitory activities. The total phenolic (TPC), flavonoid (TFC) and proanthocyanidin (TPA) contents were determined using standard colorimetric methods. The anti-radical activity of the extracts against the 2,2-diphenyl-1-picrylhydrazyl (DPPH), ferric ion and nitric oxide (NO) radicals as well as their effects on lipid peroxidation were monitored spectrophotometrically. The cholinesterase enzyme (AChE and BuChE) inhibitions by the extracts were determined by a modified method of Ellman. The result showed a concentration-dependent increase in inhibition of the free radicals and the cholinesterase enzymes, except for that of lipid peroxidation. The ethyl acetate (EtOAc) fraction exhibited the highest polyphenolic contents among the fractions, with a TPC of 1.08 mgGAE/g, TFC of 0.38 mgQuE/g and TPA of 0.21 mgGAE/g. It also demonstrated the highest free radical scavenging activities with 72.63% and 65.43% inhibitions of DPPH and NO, respectively. The EtOAc fraction inhibited AChE and BuChE enzymes with IC50 values of 0.94 and 8.49 mg/mL, respectively. Our findings show that the plant may have polyphenol contents, in particular in the methanol extract and EtOAc fraction. These extracts showed considerable free radical scavenging and cholinesterase inhibitory properties. Thus, the observed bioactivities may serve as a justification for its folkloric use as a remedy for mental illness. The study also provides relevant information that could help in the search for lead cholinesterase inhibitors from medicinal plants that can be exploited against neurodegenerative disorders.
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Abd-Razak NH, Chew YMJ, Bird MR. Orange juice ultrafiltration: characterisation of deposit layers and membrane surfaces after fouling and cleaning. INTERNATIONAL JOURNAL OF FOOD ENGINEERING 2021; 17:837-850. [DOI: 10.1515/ijfe-2021-0096] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Abstract
The influence of feed condition and membrane cleaning during the ultrafiltration (UF) of orange juice for phytosterol separation was investigated. UF was performed using regenerated cellulose acetate (RCA) membranes at different molecular weight cut-off (MWCO) values with a 336 cm2 membrane area and a range of temperatures (10–40 °C) and different feed volumes (3–9 L). Fluid dynamic gauging (FDG) was applied to assess the fouling and cleaning behaviours of RCA membranes fouled by orange juice and cleaned using P3-Ultrasil 11 over two complete cycles. During the FDG testing, fouling layers were removed by fluid shear stress caused by suction flow. The cleanability was characterised by using ImageJ software analysis. A Liebermann-Buchard-based method was used to quantify the phytosterol content. The results show that RCA 10 kDa filters exhibited the best separation of phytosterols from protein in orange juice at 20 °C using 3 L feed with a selectivity factor of 17. Membranes that were fouled after two cycles showed higher surface coverage compared to one fouling cycle. The surface coverage decreased with increasing fluid shear stress from 0 to 3.9 Pa. FDG achieved 80–95% removal at 3.9 Pa for all RCA membranes. Chemical cleaning using P3-Ultrasil 11 altered both the membrane surface hydrophobicity and roughness. These results show that the fouling layer on RCA membranes can be removed by fluid shear stress without affecting the membrane surface modification caused by chemical cleaning.
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Affiliation(s)
- Nurul Hainiza Abd-Razak
- Centre of Advanced Separations Engineering, Department of Chemical Engineering , University of Bath , Bath BA2 7AY , UK
- Rubber Research Institute of Malaysia, Malaysian Rubber Board , PO Box 10150 , 50908 Kuala Lumpur , Malaysia
| | - Y. M. John Chew
- Centre of Advanced Separations Engineering, Department of Chemical Engineering , University of Bath , Bath BA2 7AY , UK
| | - Michael R. Bird
- Centre of Advanced Separations Engineering, Department of Chemical Engineering , University of Bath , Bath BA2 7AY , UK
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Renganathan S, Manokaran S, Vasanthakumar P, Singaravelu U, Kim PS, Kutzner A, Heese K. Phytochemical Profiling in Conjunction with In Vitro and In Silico Studies to Identify Human α-Amylase Inhibitors in Leucaena leucocephala (Lam.) De Wit for the Treatment of Diabetes Mellitus. ACS OMEGA 2021; 6:19045-19057. [PMID: 34337243 PMCID: PMC8320072 DOI: 10.1021/acsomega.1c02350] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 07/05/2021] [Indexed: 05/12/2023]
Abstract
Bioactive constituents from natural sources are of great interest as alternatives to synthetic compounds for the treatment of various diseases, including diabetes mellitus. In the present study, phytochemicals present in Leucaena leucocephala (Lam.) De Wit leaves were identified by gas chromatography-mass spectrometry and further examined by qualitative and quantitative methods. α-Amylase enzyme activity assays were performed and revealed that L. leucocephala (Lam.) De Wit leaf extract inhibited enzyme activity in a dose-dependent manner, with efficacy similar to that of the standard α-amylase inhibitor acarbose. To determine which phytochemicals were involved in α-amylase enzyme inhibition, in silico virtual screening of the absorption, distribution, metabolism, excretion, and toxicity properties was performed and pharmacophore dynamics were assessed. We identified hexadecenoic acid and oleic acid ((Z)-octadec-9-enoic acid) as α-amylase inhibitors. The binding stability of α-amylase to those two fatty acids was confirmed in silico by molecular docking and a molecular dynamics simulation performed for 100 ns. Together, our findings indicate that L. leucocephala (Lam.) De Wit-derived hexadecanoic acid and oleic acid are natural product-based antidiabetic compounds that can potentially be used to manage diabetes mellitus.
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Affiliation(s)
- Senthil Renganathan
- Department
of Bioinformatics, Marudupandiyar College, Thanjavur 613403, Tamil Nadu, India
| | - Sakthivel Manokaran
- Department
of Bioinformatics, Bharathiar University, Coimbatore 641046, Tamil Nadu, India
| | - Preethi Vasanthakumar
- Department
of Biotechnology, Bharath College of Science
and Management, Thanjavur 613005, Tamil Nadu, India
| | - Usha Singaravelu
- Department
of Bioinformatics, Bharathiar University, Coimbatore 641046, Tamil Nadu, India
| | - Pok-Son Kim
- Department
of Mathematics, Kookmin University, 77 Jeongneung-ro, Seongbuk-gu, Seoul 136-702, Republic of Korea
| | - Arne Kutzner
- Department
of Information Systems, College of Computer Science, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 133-791, Republic of Korea
| | - Klaus Heese
- Graduate
School of Biomedical Science and Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 133-791, Republic of Korea
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Righi N, Boumerfeg S, Deghima A, Fernandes PAR, Coelho E, Baali F, Cardoso SM, Coimbra MA, Baghiani A. Phenolic profile, safety assessment, and anti-inflammatory activity of Salvia verbenaca L. JOURNAL OF ETHNOPHARMACOLOGY 2021; 272:113940. [PMID: 33631275 DOI: 10.1016/j.jep.2021.113940] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/13/2021] [Accepted: 02/15/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Salvia species are known to have anti-inflammatory properties, and are traditionally used for healing purposes. Salvia verbenaca is an Algerian plant used for healing wounds and ulcers. AIM OF THE STUDY This work aims to assess the acute and subacute safety of S. verbenaca and its possible anti-inflammatory activity as a mechanism contributing to its traditional applications. MATERIALS AND METHODS Lethal toxicity of S. verbenaca hydromethanolic extract was evaluated against Artemia salina larvae, while acute and subacute toxicity were orally tested on mice. The anti-inflammatory activity was screened ex vivo using membrane stabilization and in vivo using xylene induced ear edema as an acute inflammation model. The antiradical, reducing power and iron chelating activities of S. verbenaca were also investigated in vitro, and phenolic compounds were determined using UHPLC-DAD-ESI-MSn. RESULTS: Salvia verbenaca extract contained high amounts of phenolic compounds (206 μg GAE/mg extract). The in vitro antioxidant activity showed promising radical scavenging ability, iron chelating (IC50: 189 μg/mL), reducing power and strong anti-lipid-peroxidation effect (IC50: 111 μg/mL). The extract had potential cytotoxic effect against Artemia salina larvae (LC50: 30 μg/mL), but did not exhibit any acute/subacute toxicity effect on mice. Salvia verbenaca inhibited hypotonic and heat induced hemolysis and also reduced 50% of xylene induced ear edema at 600 mg/kg bw. Rosmarinic acid and caffeoylmalic acid were identified as the major compounds. CONCLUSION Salvia verbenaca hydromethanolic extract was found to be safe at acute and subacute levels. Its in vitro/in vivo antioxidant activity, membrane stabilizing properties and anti-inflammatory activity may be an important aspect of its wound healing and anti-ulcer traditional use.
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Affiliation(s)
- Nadjat Righi
- Laboratory of Characterization and Valorization of Natural Resources, University Mohamed El Bachir El Ibrahimi, Bordj Bou-Arreridj, 34000, Algeria.
| | - Sabah Boumerfeg
- Department of Biology, Faculty of Nature and Life Sciences, University Bordj Bou-Arreridj, 34000, Algeria.
| | - Amirouche Deghima
- Department of Natural Sciences and Life, Faculty of Exact Sciences, Natural and Life Sciences, Mohamed Khider University, 07000, Biskra, Algeria.
| | - Pedro A R Fernandes
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal.
| | - Elisabete Coelho
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal.
| | - Faiza Baali
- Laboratory of Characterization and Valorization of Natural Resources, University Mohamed El Bachir El Ibrahimi, Bordj Bou-Arreridj, 34000, Algeria.
| | - Susana M Cardoso
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal.
| | - Manuel A Coimbra
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal.
| | - Abderrahmane Baghiani
- Laboratory of Applied Biochemistry, Faculty of Natural and Life Sciences, University Ferhat Abbas Setif 1, Setif, 19000, Algeria.
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Kunatsa Y, Katerere DR. Checklist of African Soapy Saponin-Rich Plants for Possible Use in Communities' Response to Global Pandemics. PLANTS 2021; 10:plants10050842. [PMID: 33922037 PMCID: PMC8143558 DOI: 10.3390/plants10050842] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 02/25/2021] [Accepted: 03/23/2021] [Indexed: 12/21/2022]
Abstract
Plants that exhibit foaming properties when agitated in aqueous solutions are commonly referred to as soapy plants, and they are used in different communities for washing, bathing, and hair shampooing. The frothing ability of these plants is attributed to saponins which are also well-documented to possess antimicrobial attributes. In the light of COVID-19, soap and hand hygiene have taken center stage. The pandemic has also revealed the low access to running water and commercial soaps in many marginalized and poor communities to the detriment of global health. Thus, soapy plants, either in their natural form or through incorporation in commercial products, may be a relevant additional weapon to assist communities to improve hand hygiene and contribute to curbing COVID-19 and other communicable infections. This review paper was compiled from a review of literature that was published between 1980 and 2020. We found 68 plant species, including those which are already used as traditional soaps. Our findings support the potential use of extracts from soapy plants because of their putative viricidal, bactericidal, and fungicidal activities for use in crude home-based formulations and possibly for developing natural commercial soap products.
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13
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Bhardwaj B, Singh P, Kumar A, Kumar S, Budhwar V. Eco-Friendly Greener Synthesis of Nanoparticles. Adv Pharm Bull 2020; 10:566-576. [PMID: 33072534 PMCID: PMC7539319 DOI: 10.34172/apb.2020.067] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 02/18/2020] [Accepted: 03/31/2020] [Indexed: 12/23/2022] Open
Abstract
The exploitation of naturally obtained resources like biopolymers, plant-based extracts, microorganisms etc., offers numerous advantages of environment-friendliness and biocompatibility for various medicinal and pharmaceutical applications, whereas hazardous chemicals are not utilized for production protocol. Plant extracts based synthetic procedures have drawn consideration over conventional methods like physical and chemical procedures to synthesize nanomaterials. Greener synthesis of nanomaterials has become an area of interest because of numerous advantages such as non-hazardous, economical, and feasible methods with variety of applications in biomedicine, nanotechnology and nano-optoelectronics, etc.
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Affiliation(s)
- Brahamdutt Bhardwaj
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak-124001, India
| | - Pritam Singh
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak-124001, India
| | - Arun Kumar
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak-124001, India
| | - Sandeep Kumar
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak-124001, India
| | - Vikas Budhwar
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak-124001, India
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Abd-Razak NH, Zairossani MN, Chew YMJ, Bird MR. Fouling Analysis and the Recovery of Phytosterols from Orange Juice Using Regenerated Cellulose Ultrafiltration Membranes. FOOD BIOPROCESS TECH 2020. [DOI: 10.1007/s11947-020-02541-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
AbstractThis study describes the use of regenerated cellulose (RCA) membranes with molecular weight cut-off (MWCO) values of 10, 30, and 100 kDa, respectively, to separate phytosterols from orange juice for possible nutraceutical production. A desirable membrane separation rejects protein whilst transmitting phytosterols and other low molecular mass compounds such as sugars. The ultrafiltration was performed in a cross-flow membrane system with a total filtration area of 336 cm2. Total phytosterol analysis was carried out by using a Liebermann-Buchard-based method. Protein concentration was quantified by the Bradford method. The effects of three different membranes upon the rejection of total phytosterol content, proteins, sugar, and antioxidant activity were studied. Of the membranes tested, the 10-kDa membrane displayed the highest concentration of phytosterols in the permeate. The 30-kDa and 100-kDa membranes gave comparatively higher phytosterol rejection. The membrane surface roughness and corresponding pure water flux values varied as a function of MWCO such that RCA30 > RCA100 > RCA10. Membranes with rougher surfaces displayed higher fouling than those with smoother surfaces. Hydrophobicity and surface roughness both influenced filtration performance, by controlling the development of the protein-based foulant which modified membrane selectivity.
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15
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Cheurfa M, Achouche M, Azouzi A, Abdalbasit MA. Antioxidant and anti-diabetic activity of pomegranate (Punica granatum L.) leaves extracts. FOODS AND RAW MATERIALS 2020. [DOI: 10.21603/2308-4057-2020-2-329-336] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Introduction. This study aimed to evaluate the antioxidant and anti-diabetic activity of aqueous and hydroalcoholic extracts of pomegranate (Punica granatum L.) leaves in vitro, as well as to determine the content of polyphenols, flavonoids, and flavonols.
Study objects and methods. The antioxidant activity was determined by the DPPH test using the free radical 1,1-diphenyl-2-picrylhydrazyle and the FRAP method, as well as by measuring total antioxidant capacity and the hydrogen peroxide scavenging activity.
Results and discussion. The content of total polyphenols varied between 4.43 ± 0.3 and 12.66 ± 1.6 mg EAG/g. The highest content of flavonoids was observed in the hydroalcoholic extract of P. granatum leaves (P < 0.05). The flavonol contents in the hydroalcoholic and aqueous extracts were 7.68 ± 0.6 and 9.20 ± 2.8 mg EQ/g, respectively. The IC50 of the antioxidant potential of the hydroalcoholic and aqueous extracts was 32.4 ± 1.109 and 35.12 ± 4.107 mg/mL, respectively. According to the DPPH test, the aqueous extract was the least active (IC50 = 14.15 ± 1.513 mg/mL). The highest percentage of hydrogen peroxide trapping was found in the aqueous extract
(45.97 ± 6.608 %). The inhibition of α-amylase showed an IC50 of between 9.804 ± 0.67 and 19.011 ± 9.82 mg/mL in the aqueous and hydroalcoholic extracts, respectively. The inhibition of glucose uptake by yeast recorded a high inhibitory capacity at 50 mg/mL of glucose.
Conclusion. We found that the antioxidant and anti-diabetic activity of P. granatum leaves extracts was due to the presence of bioactive compounds such as flavonoids, which is why they are effective in preventing diabetes and its complications.
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Affiliation(s)
- Mohammed Cheurfa
- University of Djillali Bounaama Khemis Miliana
- Hassiba Benbouali University of Chlef
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16
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Thymus algeriensis Bioss & Reut: Relationship of phenolic compounds composition with in vitro/in vivo antioxidant and antibacterial activity. Food Res Int 2020; 136:109500. [PMID: 32846580 DOI: 10.1016/j.foodres.2020.109500] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 06/17/2020] [Accepted: 06/24/2020] [Indexed: 02/07/2023]
Abstract
Thymus algeriensis Bioss & Reut is an Algerian native plant traditionally used for culinary and medicinal purposes. To evaluate the in vivo antioxidant and antimicrobial properties of T. algeriensis, phenolic compounds were extracted using hydromethanolic solutions and administrated to Swiss albinos mice. It was observed that the plasma antioxidant capacity increased, as well as catalase and glutathione levels, whereas malondialdehyde decreased. In vitro assays confirmed that the extract scavenged 2,2-diphenyl-1-picrylhydrazyl, DPPH• (7 µg/mL), chelated (EC50: 512 µg/mL) and reduced iron ions (5.3 mM FeSO4/g), and inhibited β-carotene bleaching (90% at 2 mg/mL). Antibacterial effects were also observed towards Salmonella typhimurium and Proteus mirabilis. However, the methanolic fraction obtained by reversed solid phase cartridge, showed antibacterial activity against Escherichia coli (MIC = 9.37 mg/mL), Proteus mirabilis (MIC = 4.68 mg/mL), Salmonella typhimurium (MIC = 7.06 mg/mL), Micrococcus luteus (MIC = 7.03 mg/mL), and Bacillus cereus (MIC = 2.34 mg/mL). UHPLC-DAD-ESI-MSn analysis showed that these properties could result from rosmarinic acid, caffeoyl rosmaniric acid, and kaempferol and eriodictyol glycoside derivatives. These results pave the way for the understanding of T. algeriensis traditional applications and its use for the development of novel food applications.
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17
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Mangoale RM, Afolayan AJ. Comparative Phytochemical Constituents and Antioxidant Activity of Wild and Cultivated Alepidea amatymbica Eckl & Zeyh. BIOMED RESEARCH INTERNATIONAL 2020; 2020:5808624. [PMID: 32352000 PMCID: PMC7174954 DOI: 10.1155/2020/5808624] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 02/24/2020] [Accepted: 03/12/2020] [Indexed: 11/17/2022]
Abstract
There is a need to scientifically validate the claim that wild species of medicinal plants are more potent than the cultivated plants. Thus, this study evaluated the phytochemical and antioxidant properties of wild and cultivated Alepidea amatymbica. Acetone, methanol, and water extracts of the rhizome of wild and cultivated A. amatymbica were evaluated for total phenol, flavonol, flavonoid, tannin, proanthocyanidin, saponin, and alkaloid contents using spectrophotometric methods. In vitro antioxidant activity was measured using 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2'-azino-bis(3-ethylbenzothiazoline)-6-sulfonic acid (ABTS), ferric reducing antioxidant power (FRAP), nitric oxide (NO), and hydrogen peroxide assays. The wild extracts had higher phytochemical contents in most of the assays than cultivated extracts. Total phenol in the wild extracts ranged from 32.30 to 117.8 mg GAE/g with the acetone extracts having the highest content while the water extracts were the least. The range in the total phenol of the cultivated species was 66.46 to 98.44 mg GAE/g with the methanol extracts having the highest content while water extracts was the least. The flavonoid content ranged from 55.01 to 99.09 mg QE/g and from 48.65 to 67.32 mg QE/g for the wild and cultivated plants, respectively. The alkaloid contents ranged from 14.70 to 17.80% in the wild species while it ranged from 11.98 to 13.21% in the cultivated species. The wild species also showed higher antioxidant activities in most of the assays evaluated. This study has implications for both pharmacological and conservation purposes.
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Affiliation(s)
- Ramatsobane Maureen Mangoale
- Medicinal Plants and Economic Development (MPED) Research Centre, Department of Botany, University of Fort Hare, Alice 5700, South Africa
| | - Anthony Jide Afolayan
- Medicinal Plants and Economic Development (MPED) Research Centre, Department of Botany, University of Fort Hare, Alice 5700, South Africa
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Abidar S, Boiangiu RS, Dumitru G, Todirascu-Ciornea E, Amakran A, Cioanca O, Hritcu L, Nhiri M. The Aqueous Extract from Ceratonia siliqua Leaves Protects Against 6-hydroxydopamine in Zebrafish: Understanding the Underlying Mechanism. Antioxidants (Basel) 2020; 9:antiox9040304. [PMID: 32276477 PMCID: PMC7222174 DOI: 10.3390/antiox9040304] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/06/2020] [Accepted: 04/07/2020] [Indexed: 12/13/2022] Open
Abstract
Ceratonia siliqua L. is a Mediterranean medicinal plant traditionally cultivated for its ethnopharmacological benefits, such as antidiarrheal, antidiabetic, enhance acetylcholine, antioxidant, antiatherosclerotic, and for its possible anti-neurodegenerative potential. The aim of the present study was to evaluate the chemical composition, as well as the cognitive-enhancing, anxiolytic, and antioxidant activities of the aqueous extract from C. siliqua (CsAE) leaves against 6-hydroxydopamine (6-OHDA) zebrafish Parkinson’s disease (PD) model. CsAE (0.1, 0.3, and 1 mg/L) was administered by immersion to zebrafish (Danio rerio) for eight consecutive days and one hour before each behavioral test of each day, while 6-OHDA (250 µM) treatment was supplied one day before the novel tank diving test (NTT). Qualitative and quantitative analyses were performed by the ultra-high-performance liquid chromatography (UHPLC) analysis. The memory performance was evaluated through the NTT and Y-maze tests. Additionally, the in vitro and in vivo antioxidant status and acetylcholinesterase (AChE) activity was also assessed. Our finds demonstrated that CsAE presented positive antioxidant and anti-AChE activities, which contributed to the improvement of cognitive function in the 6-OHDA zebrafish PD model.
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Affiliation(s)
- Sara Abidar
- Laboratoire de Biochimie et Génétique Moléculaire, Faculté des Sciences et Techniques, Université Abdelmalek Essaadi, Tanger Principal BP 416, Morocco; (S.A.); (A.A.); (M.N.)
| | - Razvan Stefan Boiangiu
- Department of Biology, Faculty of Biology, Alexandru Ioan Cuza University of Iasi, 700506 Iasi, Romania; (R.S.B.); (E.T.-C.)
| | - Gabriela Dumitru
- Department of Biology, Faculty of Biology, Alexandru Ioan Cuza University of Iasi, 700506 Iasi, Romania; (R.S.B.); (E.T.-C.)
- Correspondence: (G.D.); (L.H.); Tel.: +40-232-201-522 (G.D.); +40-232-201-666 (L.H.)
| | - Elena Todirascu-Ciornea
- Department of Biology, Faculty of Biology, Alexandru Ioan Cuza University of Iasi, 700506 Iasi, Romania; (R.S.B.); (E.T.-C.)
| | - Amina Amakran
- Laboratoire de Biochimie et Génétique Moléculaire, Faculté des Sciences et Techniques, Université Abdelmalek Essaadi, Tanger Principal BP 416, Morocco; (S.A.); (A.A.); (M.N.)
| | - Oana Cioanca
- Department of Pharmacognosy, Faculty of Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 University Street, 700115 Iasi, Romania;
| | - Lucian Hritcu
- Laboratoire de Biochimie et Génétique Moléculaire, Faculté des Sciences et Techniques, Université Abdelmalek Essaadi, Tanger Principal BP 416, Morocco; (S.A.); (A.A.); (M.N.)
- Correspondence: (G.D.); (L.H.); Tel.: +40-232-201-522 (G.D.); +40-232-201-666 (L.H.)
| | - Mohamed Nhiri
- Laboratoire de Biochimie et Génétique Moléculaire, Faculté des Sciences et Techniques, Université Abdelmalek Essaadi, Tanger Principal BP 416, Morocco; (S.A.); (A.A.); (M.N.)
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Abd-Razak NH, Chew YJ, Bird MR. Membrane fouling during the fractionation of phytosterols isolated from orange juice. FOOD AND BIOPRODUCTS PROCESSING 2019. [DOI: 10.1016/j.fbp.2018.09.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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20
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Chouhan KBS, Tandey R, Sen KK, Mehta R, Mandal V. Extraction of phenolic principles: value addition through effective sample pretreatment and operational improvement. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2018. [DOI: 10.1007/s11694-018-9931-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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21
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Adnan M, Chy MNU, Rudra S, Tahamina A, Das R, Tanim MAH, Siddique TI, Hoque A, Tasnim SM, Paul A, Kamal ATMM. Evaluation of Bonamia semidigyna (Roxb.) for antioxidant, antibacterial, anthelmintic and cytotoxic properties with the involvement of polyphenols. ACTA ACUST UNITED AC 2018. [DOI: 10.1007/s13596-018-0334-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Unuofin JO, Otunola GA, Afolayan AJ. Polyphenolic Content, Antioxidant and Antimicrobial Activities of Vernonia mespilifolia Less. Used in Folk Medicine in the Eastern Cape Province, South Africa. J Evid Based Integr Med 2018; 23:2515690X18773990. [PMID: 29756461 PMCID: PMC5954581 DOI: 10.1177/2515690x18773990] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
Vernonia mespilifolia Less. is a shrub of the Asteraceae family used in the South African traditional medicine system for the management of weight loss, hypertension, and heartwater disease. There is a need for scientific evaluation to validate its ethnomedicinal usage. In vitro assays were conducted to evaluate the polyphenolic content, antioxidant and antimicrobial properties of different solvent extracts (acetone, aqueous, and ethanol) of the whole plant of Vernonia mespilifolia spectrophotometric and agar dilution techniques, respectively. The result revealed varying amounts of polyphenolics in the different solvent extracts corresponding to the antioxidant activities. Also, only the acetone and ethanol extracts inhibited the growth of the selected bacteria and fungi. These findings reveal that the extracts have strong bioactive compounds and hence support its ethnomedicinal application.
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Affiliation(s)
- Jeremiah Oshiomame Unuofin
- 1 Medicinal Plants and Economic Development (MPED) Research Centre, Department of Botany, University of Fort Hare, Alice, South Africa
| | - Gloria Aderonke Otunola
- 1 Medicinal Plants and Economic Development (MPED) Research Centre, Department of Botany, University of Fort Hare, Alice, South Africa
| | - Anthony Jide Afolayan
- 1 Medicinal Plants and Economic Development (MPED) Research Centre, Department of Botany, University of Fort Hare, Alice, South Africa
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Ajay Krishna PG, Sivakumar TR, Jin C, Li SH, Weng YJ, Yin J, Jia JQ, Wang CY, Gui ZZ. Antioxidant and Hemolysis Protective Effects of Polyphenol-Rich Extract from Mulberry Fruits. Pharmacogn Mag 2018; 14:103-109. [PMID: 29576709 PMCID: PMC5858229 DOI: 10.4103/pm.pm_491_16] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Revised: 11/23/2016] [Indexed: 12/21/2022] Open
Abstract
Background: Mulberry fruits are a superior source of polyphenol, especially anthocyanins that contribute potentially to the beneficial effects which include reducing the risk of cardiovascular diseases and cancers with antioxidant, anti-inflammatory, and chemoprotective properties. Objectives: In this study, purification of the polyphenol-rich extract from mulberry fruit (MPE) was purified and assessed the activities of antioxidant and hemolysis protective in vivo and in vitro. Materials and Methods: Antioxidant activities in vitro was measured by quantifying its 2,2-diphenyl-1-picrylhydrazyl (DPPH) scavenging activity, reducing power and Fe2+-chelating ability. MPE was purified by high-pressure liquid chromatography (HPLC) and analyzed individual polyphenols using liquid chromatography–mass spectrometry (LC-MS)/MS. Results: The total polyphenol content was 147.69 ± 0.02 mg gallic acid equivalents (GAE)/g dried weight (DW) in the extract and 403.55 ± 0.02 mg GAE/g DW in the purified extract. Further identification by HPLC-ultraviolet-visible and LC-MS/MS analysis indicated in MPE, an anthocyanin compound, cyanidin-3-O-glucoside. With regard to in vitro assays, MPE possessed antioxidant effect, especially in Fe2+ chelating ability with an IC50 value of 1.016 mg/mL. The protective effects on mouse red blood cell hemolysis and lipid peroxidation ex vivo were dose and time dependent. Conclusion: It indicates that MPE could be a good candidate for future biomedical applications to promote human health with limited side effects. SUMMARY Mulberry fruit is an excellent source of polyphenols, in particular, anthocyanins, which has infinite health benefits. This study determined the predominant anthocyanin, cyanidin-3-glucoside, could possibly be the rationale behind the antioxidant and antihemolytic effect of MPE. Results indicate that MPE could be a good candidate for future biomedical applications to promote human health with limited side effects.
Abbreviations used: MPE: Purification of the polyphenol-rich extract from mulberry fruit, LC-MS: Liquid chromatography–mass spectrometry, HPLC: High-pressure liquid chromatography, DPPH: 2,2-diphenyl-1-picrylhydrazyl scavenging activity, RBC: Red blood cell, GAE: Gallic acid equivalent, FeCl2: Ferrous chloride, H2O2: Hydrogen peroxide, EDTA-2Na: Ethylenediaminetetraacetic acid disodium salt, PBS: Phosphate-buffered saline, TCA: Trichloroacetic acid, TBA: 2-thiobarbituric acid, FeSO4: Ferrous sulphate, MDA: Malondialdehyde, VC: Vitamin C, DW: Dried weight.
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Affiliation(s)
- Palanigounder Ganeshan Ajay Krishna
- Lab of Hi-Tech Processing for Sericultural Resources, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212018, China
| | - Thasma Raman Sivakumar
- Lab of Hi-Tech Processing for Sericultural Resources, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212018, China
| | - Chao Jin
- Lab of Hi-Tech Processing for Sericultural Resources, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212018, China
| | - Shao-Hu Li
- Lab of Hi-Tech Processing for Sericultural Resources, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212018, China
| | - Yu-Jie Weng
- Lab of Hi-Tech Processing for Sericultural Resources, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212018, China
| | - Juan Yin
- Lab of Hi-Tech Processing for Sericultural Resources, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212018, China
| | - Jun-Qiang Jia
- Lab of Hi-Tech Processing for Sericultural Resources, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212018, China.,Lab of Hi-Tech Processing for Sericultural Resources, Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang 212018, China
| | - Chu-Yan Wang
- Department of Biological and Environmental Engineering, Hefei University, Hefei, Anhui 230601, China
| | - Zhong-Zheng Gui
- Lab of Hi-Tech Processing for Sericultural Resources, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212018, China.,Lab of Hi-Tech Processing for Sericultural Resources, Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang 212018, China
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Pattanayak M, Maity P, Samanta S, Sen IK, Manna DK, Nandi AK, Ghosh S, Acharya K, Islam SS. Studies on structure and antioxidant properties of a heteroglycan isolated from wild edible mushroom Lentinus sajor-caju. Int J Biol Macromol 2017; 107:322-331. [PMID: 28867230 DOI: 10.1016/j.ijbiomac.2017.08.163] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Revised: 07/20/2017] [Accepted: 08/24/2017] [Indexed: 11/15/2022]
Abstract
A water-soluble heteroglycan (PS-I) isolated from the aqueous extract of a wild edible mushroom Lentinus sajor-caju showed average molecular weight ∼1.79×105Da. The structure of the polysaccharide was determined using chemical and 1D/2D NMR experiments. Acid hydrolysis indicated the presence of d-glucose, d-galactose, d-mannose, and l-fucose in a molar ratio of nearly 4:4:1:1 respectively. The presence of terminal Fucp, terminal Galp, (1→3)-Glcp, (1→6)-Galp, (1→6)-Glcp, (1→4,6)-Galp, and (1→2,4)-Manp moieties were established from methylation analysis. The chemical and NMR analyses indicated that the PS-I was a heteroglycan composed of a repeating unit with backbone chain of three (1→6)-α-d-galactopyranosyl residues, two (1→6)-β-d-glucopyranosyl residues, one (1→4)-α-d-mannopyranosyl residue, and two (1→3)-β-d-glucopyranosyl residues where one (1→6)-α-d-galactopyranosyl residue was branched at O-4 position with terminal α-l-fucopyranosyl residue and (1→4)-α-d-mannopyranosyl residue was branched at O-2 position with terminal α-d-galactopyranosyl residue and the structure was proposed as; The PS-I is a moderate antioxidant compound which showed DPPH radical scavenging activity, hydroxyl radical scavenging activity, ABTS radical scavenging property, reducing power, and ferrous ion chelating ability.
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Affiliation(s)
- Manabendra Pattanayak
- Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore 721102, West Bengal, India
| | - Prasenjit Maity
- Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore 721102, West Bengal, India
| | - Surajit Samanta
- Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore 721102, West Bengal, India
| | - Ipsita K Sen
- Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore 721102, West Bengal, India
| | - Dilip K Manna
- Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore 721102, West Bengal, India
| | - Ashis K Nandi
- Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore 721102, West Bengal, India
| | - Sandipta Ghosh
- Molecular and Applied Mycology and Plant Pathology Laboratory, Department of Botany, University of Calcutta, 35, Ballygunge Circular Road, Kolkata 700019, West Bengal, India
| | - Krishnendu Acharya
- Molecular and Applied Mycology and Plant Pathology Laboratory, Department of Botany, University of Calcutta, 35, Ballygunge Circular Road, Kolkata 700019, West Bengal, India
| | - Syed S Islam
- Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore 721102, West Bengal, India.
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Sagbo IJ, Afolayan AJ, Bradley G. Antioxidant, antibacterial and phytochemical properties of two medicinal plants against the wound infecting bacteria. Asian Pac J Trop Biomed 2017. [DOI: 10.1016/j.apjtb.2017.08.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Ramdane F, Essid R, Fares N, El Ouassis D, Aziz S, Mahammed MH, Ould Hadj MD, Limam F. Antioxidant antileishmanial cytotoxic and antimicrobial activities of a local plant Myrtus nivellei from Algeria Sahara. Asian Pac J Trop Biomed 2017. [DOI: 10.1016/j.apjtb.2017.07.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Salawu SO, Ajiboye PB, Akindahunsi AA, Boligon AA. Antioxidant and Anticholinesterase Potential of Two Nigerian Bitter Yams Using a Simulated Gastrointestinal Digestion Model and Conventional Extraction. Prev Nutr Food Sci 2017; 22:107-117. [PMID: 28702427 PMCID: PMC5503419 DOI: 10.3746/pnf.2017.22.2.107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Accepted: 05/31/2017] [Indexed: 11/12/2022] Open
Abstract
The purpose of this study was to evaluate the antioxidant and anticholinesterase activities of yellow and white bitter yams from South Western Nigeria using methanolic extraction and simulated gastrointestinal digestion models. The phenolic compounds in the bitter yam varieties were evaluated by high performance liquid chromatography with a diode array detector (HPLC-DAD). The total phenolic content of the bitter yams was measured by the Folin-Ciocalteu method, reductive potential by assessing the ability of the bitter yam to reduce FeCl3 solution, and the antioxidant activities were determined by the 2,2-diphenyl-1-picrylhydrazyl radical (DPPH·) scavenging activity, 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) radical cation (ABTS·+) scavenging activity, nitric oxide radical (NO·) scavenging ability, hydroxyl radical scavenging ability, and ability to inhibit Fe2+-induced lipid oxidation. The HPLC-DAD analysis revealed the presence of some phenolic compounds in the studied bitter yam varieties, with varying degree of quantitative changes after cooking. The antioxidant indices (total phenolic content, total flavonoid content, reducing power, DPPH· scavenging activity, ABTS·+ scavenging activity, and NO· scavenging activity) were higher in the simulated gastrointestinal digestion model compared to the methanolic extract, with the in vitro digested cooked white bitter yam ranking higher. Similarly, the in vitro digested yams had a higher inhibitory action against lipid oxidation compared to the methanolic extracts, with the cooked white bitter yam ranking high. The methanolic extracts and in vitro enzyme digests showed no acetylcholinesterase inhibitory abilities, while methanolic extracts and the in vitro enzyme digest displayed some level of butyrylcholinesterase inhibitory activities. Therefore the studied bitter yams could be considered as possible health supplements.
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Affiliation(s)
- Sule Ola Salawu
- Department of Biochemistry, Federal University of Technology, Akure, Ondo State 340001, Nigeria
| | - Praise Blessing Ajiboye
- Department of Biochemistry, Federal University of Technology, Akure, Ondo State 340001, Nigeria
| | | | - Aline Augusti Boligon
- Phytochemical Research Laboratory, Department of Industrial Pharmacy, Federal University of Santa Maria, Santa Maria-RS 97105-900, Brazil
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Rashid MMO, Akhter KN, Chowdhury JA, Hossen F, Hussain MS, Hossain MT. Characterization of phytoconstituents and evaluation of antimicrobial activity of silver-extract nanoparticles synthesized from Momordica charantia fruit extract. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 17:336. [PMID: 28651578 PMCID: PMC5485605 DOI: 10.1186/s12906-017-1843-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 06/19/2017] [Indexed: 12/19/2022]
Abstract
BACKGROUND Our present study was conducted to characterize the phytoconstituents present in the aqueous extract of Momordica charantia and evaluate the antimicrobial efficacy of silver-extract nanoparticles (Ag-Extract-NPs). METHODS Silver nanoparticles (AgNPs) were prepared by reducing AgNO3; and NaBH4 served as reducing agent. After screening of phytochemicals; AgNPs and aqueous extract were mixed thoroughly and then coated by polyaniline. These NPs were characterized by using Visual inspection, UV spectroscopy, FTIR, SEM and TEM techniques. Antimicrobial activities were assessed against Staphylococcus aureus, Salmonella typhi, Escherichia coli and Pseudomonas aeruginosa. RESULTS Aqueous extract of M. charantia fruits contain alkaloid, phenol, saponin etc. UV-Vis spectrum showed strong absorption peak around 408 nm. The presence of -CH, -NH, -COOH etc. stretching in FTIR spectrum of Ag-Extract-NPs endorsed that AgNPs were successfully capped by bio-compounds. SEM and TEM result revealed that synthesized NPs had particle size 78.5-220 nm. Ag-Extract-NPs showed 34.6 ± 0.8 mm zone of inhibition against E. coli compared to 25.6 ± 0.5 mm for ciprofloxacin. Maximum zone of inhibition for Ag-Extract-NPs were 24.8 ± 0.7 mm, 26.4 ± 0.4 mm, 7.4 ± 0.4 mm for S. aureus, P. aeruginosa and S. typhi. We found that Ag-Extract-NPs have much better antibacterial efficacy than AgNPs and M. charantia extract has individually. It is also noticed that gram negative bacteria (except S. typhi) are more susceptible to Ag-Extract-NPs than gram positive bacteria. CONCLUSION Ag-Extract-NPs showed strong antibacterial activity. In order to make a reliable stand for mankind, further study is needed to consider determining the actual biochemical pathway by which AgNPs-extracts exert their antimicrobial effect.
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Affiliation(s)
- Md. Mamun Or Rashid
- Department of Pharmacy, Noakhali Science and Technology University, Sonapur, Noakhali, 3814, Bangladesh
| | - Kazi Nahid Akhter
- Department of Pharmacy, Noakhali Science and Technology University, Sonapur, Noakhali, 3814, Bangladesh
| | - Jakir Ahmed Chowdhury
- Department of Pharmaceutical Technology, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Foysal Hossen
- Department of Microbiology, Noakhali Science and Technology University, Sonapur, Noakhali, 3814, Bangladesh
| | - Md. Saddam Hussain
- Department of Pharmacy, Noakhali Science and Technology University, Sonapur, Noakhali, 3814, Bangladesh
| | - Md. Tanvir Hossain
- Department of Applied Chemistry and Chemical Engineering, Noakhali Science and Technology University, Sonapur, Noakhali, 3814, Bangladesh
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Odeyemi S, Afolayan A, Bradley G. Phytochemical analysis and anti-oxidant activities of Albuca bracteata Jacq. and Albuca setosa Jacq bulb extracts used for the management of diabetes in the Eastern Cape, South Africa. Asian Pac J Trop Biomed 2017. [DOI: 10.1016/j.apjtb.2017.05.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Ramdane F, Essid R, Mkadmini K, Hammami M, Fares N, Mahammed MH, El Ouassis D, Tabbene O, Limam F, Ould Hadj MD. Phytochemical composition and biological activities of Asteriscus graveolens (Forssk) extracts. Process Biochem 2017. [DOI: 10.1016/j.procbio.2017.03.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Abosede Wi O, Jide Afola A. Aspects of Medicinal Activities of the Stem Bark Extracts of Curtisia dentata (Burm. F.). INT J PHARMACOL 2017. [DOI: 10.3923/ijp.2017.237.246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Obiang CS, Ondo JP, Atome GRN, Engonga LCO, Siawaya JFD, Emvo EN. Phytochemical screening, antioxidant and antimicrobial potential of stem barks of Coula edulis Baill. Pseudospondias longifolia Engl. and Carapa klaineana Pierre. from Gabon. ASIAN PACIFIC JOURNAL OF TROPICAL DISEASE 2016. [DOI: 10.1016/s2222-1808(16)61086-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Uddin MJ, Abdullah-Al-Mamun M, Biswas K, Asaduzzaman M, Rahman MM. Assessment of anticholinesterase activities and antioxidant potentials of Anisomeles indica relevant to the treatment of Alzheimer’s disease. ACTA ACUST UNITED AC 2016. [DOI: 10.1007/s13596-016-0224-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Sharma A, Goyal R, Sharma L. Potential biological efficacy of Pinus plant species against oxidative, inflammatory and microbial disorders. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2016; 16:35. [PMID: 26822870 PMCID: PMC4730770 DOI: 10.1186/s12906-016-1011-6] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2015] [Accepted: 01/22/2016] [Indexed: 11/20/2022]
Abstract
Background Traditionally, Pine has been used to treat oxidative and inflammatory disorders. The study was aimed to investigate biological potential of phytoconstituents of Pinus plant species: Pinus roxburghii, Pinus wallichiana and Pinus gerardiana using in-vitro antioxidant, anti-inflammatory and antimicrobial methods. Method The hydro-alcoholic extraction of dried plant: stem bark was done and the antioxidant activity was evaluated using free radical scavenging methods for 1,1-diphenyl-2-picrylhydrazyl, (DPPH), nitric oxide and hydrogen peroxide radicals, reducing power assays, and total antioxidant capacity. Anti-inflammatory activity was carried out using albumin denaturation and HRBC membrane stabilization assays. Antimicrobial and antifungal activities were also conducted using agar well diffusion method. Results The qualitative phytochemical analysis of hydro-alcoholic stem bark extracts of three plant species revealed the presence of various biochemical compounds such as alkaloids, flavonoids, glycosides, triterpenoids and saponins. Quantitative phytochemical analysis of plant extracts showed the presence of phenolics, flavonoids, tannins, beta-carotene and lycopene. Plant extracts of three pinus species showed significant antioxidant activity against DPPH, nitric oxide and H2O2 radicals. In in-vitro anti‐inflammatory investigation, Pinus roxburghii exhibited highest protection against albumin denaturation 86.54 ± 1.85 whereas Pinus gerardiana showed 82.03 ± 2.67. Moreover, plant extracts were found to prevent the growth of microorganisms Pseudomonas aeruginosa, Escherichia coli, Staphylococcus aureus and Candida albicans showing promising antibacterial and antifungal activities againstCandida albicans. Conclusion The findings of the present study derived the rational for the therapeutic usage of Pinus which is a highly timber yielding plant from Himalayan region, against oxidative, inflammatory and microbial diseases.
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Rajan A, Vilas V, Philip D. Studies on catalytic, antioxidant, antibacterial and anticancer activities of biogenic gold nanoparticles. J Mol Liq 2015. [DOI: 10.1016/j.molliq.2015.09.013] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Preliminary Phytochemical Screening and Biological Activities of Bulbine abyssinica Used in the Folk Medicine in the Eastern Cape Province, South Africa. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015; 2015:617607. [PMID: 26579202 PMCID: PMC4633689 DOI: 10.1155/2015/617607] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Revised: 09/02/2015] [Accepted: 09/20/2015] [Indexed: 12/12/2022]
Abstract
Bulbine abyssinica A. Rich. is used in traditional medicine to treat rheumatism, dysentery, bilharzia, cracked lips, back pain, infertility, diabetes mellitus, and gastrointestinal, vaginal, and bladder infections. Therefore, preliminary phytochemical screening, antioxidant, anti-inflammatory, and antibacterial properties of the whole plant (acetone and aqueous extracts) were determined using standard procedures. The in vitro antioxidant model assays revealed that the plant possesses free radical scavenging potential varying with free radical species. The species showed significant protein denaturation inhibitory activity with good protection against erythrocyte membrane lysis indicating anti-inflammatory potential. The results also showed that the species was active against the growth of all the selected eight diabetic status opportunistic bacteria except one. Moreover, the species is characterized by appreciable amounts of total phenols, flavonoids, flavanols, proanthocyanidins, and alkaloids. Traces amounts of saponins and tannins were also observed. Amongst the identified phytochemicals present, empirical searches identified them being antioxidant, anti-inflammatory, and antimicrobial agents. The identification of these phytochemical constituents with their known pharmacological properties indicates that this plant is a good source of the free radical scavenging, anti-inflammatory, and antimicrobial agents. These findings also account for the multipharmacological use of B. abyssinica in fork medicine.
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Wintola OA, Afolayan AJ. The antibacterial, phytochemicals and antioxidants evaluation of the root extracts of Hydnora africanaThunb. used as antidysenteric in Eastern Cape Province, South Africa. Altern Ther Health Med 2015; 15:307. [PMID: 26335685 PMCID: PMC4558922 DOI: 10.1186/s12906-015-0835-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Accepted: 08/26/2015] [Indexed: 11/20/2022]
Abstract
Background To determine the anti-dysenteric, phytochemicals and antioxidative properties of the root extracts of Hydnora africana. The use of plants for the treatment of dysentery and other diseases in traditional medicine has increased on the basis of these rich traditional medicine systems. Series of pharmacological tests are recommended since the aetiology of many diseases may be due to more than one factor. Methods The agar well diffusion method was used to determine the susceptibility of bacterial strains to crude extracts of the plant. The minimum inhibitory concentration was determined by the microdilution test. The presence of phytochemicals and antioxidant was also assessed using standard methods. Results The antimicrobial activity of H. africana against all the tested organisms demonstrated a mean zone diameter of inhibition ranging from 0 to 25 mm. The MIC of the extracts ranged from 0.071 to 5.0 mg/mL. Antioxidant activity showed lower ferric reducing activities, moderate nitric oxide, moderate DPPH and higher ABTS scavenging activities of the plant. Phytochemical assay revealed the presence and equivalent quantity of alkaloids, tannins, flavonoids, saponins and phenolic acid in the extracts. The water and methanol extracts were also shown as the best solvents of extraction for the phytochemicals. Conclusions The methanol and acetone extracts of H. africana exhibited a significant antibacterial and antioxidant activities, suggesting the presence of either good bioactive potency or the high concentration of the active principle in the extracts which may serve as a guide for selecting bio- medicinal substances of plant origin in antidysenteric drugs.
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Rajan A, Vilas V, Philip D. Catalytic and antioxidant properties of biogenic silver nanoparticles synthesized using Areca catechu nut. J Mol Liq 2015. [DOI: 10.1016/j.molliq.2015.03.023] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Srinivasan S, Wankhar W, Rathinasamy S, Rajan R. Free radical scavenging potential and HPTLC analysis of Indigofera tinctoria linn (Fabaceae). J Pharm Anal 2015; 6:125-131. [PMID: 29403972 PMCID: PMC5762456 DOI: 10.1016/j.jpha.2015.04.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Revised: 04/13/2015] [Accepted: 04/14/2015] [Indexed: 11/26/2022] Open
Abstract
The objective of this study was to evaluate the free radical scavenging potential and high performance thin layer chromatography (HPTLC) fingerprinting of Indigofera tinctoria (I. tinctoria). Phytochemical analysis was carried out using standard methods, and free radical scavenging activity of the plant was determined using 2,2-diphenyl-1-picrylhydrazy (DPPH), nitric oxide (NO) and superoxide anion ([Formula: see text]) radical scavenging capacities. HPTLC plate was kept in CAMAG TLC Scanner 3 and the Rf values at fingerprint data were recorded by WINCATS software. Aqueous extract of I. tinctoria reliably showed the total phenolics (267.2±2.42 mg/g), flavonoids (75.43±3.36 mg/g) and antioxidants (349.11±8.04 mg/g). The extract was found to have DPPH (52.08%), NO (23.12%) and [Formula: see text] (26.79%) scavenging activities at the concentration of 250 μg/mL and the results were statistically significant compared with ascorbic acid standard (p<0.05). HPTLC results confirmed that the extract contained several potential active components such as phenols, flavonoids, saponins and terpenoids as the slides revealed multi-colored bands of varying intensities. This study confirmed that the plant had multipotential antioxidant and free radicals scavenging activities.
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Affiliation(s)
- Sakthivel Srinivasan
- Department of Physiology, Dr. ALM PG Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Chennai 600113, India
| | - Wankupar Wankhar
- Department of Physiology, Dr. ALM PG Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Chennai 600113, India
| | - Sheeladevi Rathinasamy
- Department of Physiology, Dr. ALM PG Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Chennai 600113, India
| | - Ravindran Rajan
- Department of Physiology, Dr. ALM PG Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Chennai 600113, India
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In vitro antioxidant, cytotoxic, thrombolytic activities and phytochemical evaluation of methanol extract of the A. philippense L. leaves. Asian Pac J Trop Biomed 2015; 3:464-9. [PMID: 23730559 DOI: 10.1016/s2221-1691(13)60097-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Accepted: 05/23/2013] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVE To study the leaves of Adiantum philippense L. for their antioxidant, cytotoxicity and thrombolytic activities and to perform phytochemical evaluation. METHODS In-vitro antioxidant activity of extract was studied using DPPH radical scavenging, reducing power, total phenol and total flavonoid content determination assays. The cytotoxic activity was determined using brine shrimp lethality bioassay, thrombolytic activity by clot disruption and phytochemical potential by qualitative analysis. RESULTS The antioxidant activity of the extracts was found promising. The reducing power of this crude extract increase with the increase of concentration; IC50 values of DPPH scavenging activity was (140.00±0.86) µg/mL as compared to ascorbic acid [IC50 (130.00±0.76) µg/mL]; Total phenol and total flavonoids content were (148.26±0.24) mg/mL and (163.06±0.56) mg/mL respectively. In cytotoxicity assay the LC50 values of the sample was (106.41±0.78) µg/mL where as for standard vincristin sulphate was (08.50±0.24) µg/mL as a positive control and the extract shows (12.86±1.02)% clot lytic whereas standard streptokinase shows (30.86±0.44% clot lytic activity in thrombolytic assay. The phytochemical evaluation indicates the presence of chemical constituents including carbohydrates, alkaloids, saponins, glycosides, flavonoids. CONCLUSIONS This study shows that the methanol extract of leaves of Adiantum philippense L. has bioactivity but further compound isolation is necessary to confirm the activities of individual compounds.
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Das N, Goshwami D, Hasan MS, Raihan SZ, Subedi NK. Phytochemical screening and in vitro anthelmintic activity of methanol extract of Terminalia citrina leaves. ASIAN PACIFIC JOURNAL OF TROPICAL DISEASE 2015. [DOI: 10.1016/s2222-1808(15)60881-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Elumalai N, Ayyakkannu P, Palanivelu S, Panchanadham S. In vitro antioxidant potential of Shemamruthaa (a herbal formulation) and its anticancer activity in the MCF-7 cell line. RSC Adv 2015. [DOI: 10.1039/c4ra12346h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The current study investigates the free radical scavenging activities of methanolic and aqueous extracts of Shemamruthaa (Hibiscus rosa sinensis, Emblica officinalis and honey in definite ratio) and their anticancer activity in the breast cancer (MCF-7) cell line ex vivo.
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Affiliation(s)
- Nandhakumar Elumalai
- Department of Medical Biochemistry
- Dr. ALM Post-Graduate Institute of Basic Medical Sciences
- University of Madras
- Chennai-600113
- India
| | - Purushothaman Ayyakkannu
- Department of Medical Biochemistry
- Dr. ALM Post-Graduate Institute of Basic Medical Sciences
- University of Madras
- Chennai-600113
- India
| | - Shanthi Palanivelu
- Department of Pathology
- Dr. ALM Post-Graduate Institute of Basic Medical Sciences
- University of Madras
- Chennai-600113
- India
| | - Sachdanandam Panchanadham
- Department of Medical Biochemistry
- Dr. ALM Post-Graduate Institute of Basic Medical Sciences
- University of Madras
- Chennai-600113
- India
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Jiang Y, Wang MH. Different solvent fractions of Acanthopanax senticosus harms exert antioxidant and anti-inflammatory activities and inhibit the human Kv1.3 channel. J Med Food 2014; 18:468-75. [PMID: 25340513 DOI: 10.1089/jmf.2014.3182] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The potential antioxidant and anti-inflammatory activities of Acanthopanax senticosus Harms were evaluated and its effect on the human Kv1.3 potassium channel was detected. The ethyl acetate fraction possessed the highest phenolic (289.19±7.43 mg tannic acid equivalents/g) and flavonoid (10.80±0.67 mg quercetin equivalents/g) contents and exhibited stronger antioxidant effects than other fractions in most of the antioxidant assays. On the other hand, the dichloromethane (CH(2)Cl(2)) fraction showed the strongest anti-inflammatory activity. The CH(2)Cl(2) fraction inhibited the expression of inducible nitric oxide synthase, cyclooxygenase-2, tumor necrosis factor-α and interleukin 1β mRNAs, and the generation of reactive oxygen species in lipopolysaccharide-induced RAW 264.7 cells. Also, the peak current was inhibited 54.8%±17% by the CH(2)Cl(2) fraction in voltage-clamp recording from Xenopus laevis oocytes. Our research demonstrated that fractions of A. senticosus have great potential to be a source of edible antioxidant and anti-inflammatory agents.
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Affiliation(s)
- Yunyao Jiang
- Department of Medical Biotechnology, College of Biomedical Science, Kangwon National University , Chuncheon, Korea
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Kuri S, Billah MM, Rana SMM, Naim Z, Islam MM, Hasanuzzaman M, Ali MR, Banik R. Phytochemical and in vitro biological investigations of methanolic extracts of Enhydra fluctuans Lour. Asian Pac J Trop Biomed 2014; 4:299-305. [PMID: 25182555 DOI: 10.12980/apjtb.4.2014c677] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2013] [Accepted: 03/13/2014] [Indexed: 10/25/2022] Open
Abstract
OBJECTIVE To study the phytochemical and biological properties (antioxidant, anthelmintic and thrombolytic) of methanolic extracts of Enhydra fluctuans Lour., a plant belonging to the Asteraceae family. METHODS The phytochemical evaluation was carried out by qualitative analysis. In vitro antioxidant activity of extract was studied using free radical scavenging assay, ability of reduction, total phenol and total flavonoid contents determination assays. The anthelmintic activity was determined using paralysis and death time of Pheretima posthuma (earthworm) and thrombolytic activity by clot disruption assay. RESULTS The phytochemical evaluation showed significant presence of flavonoids, triterpenes, carbohydrate, reducing sugars, saponins, phenols, diterpenes, protein and tannin. The antioxidant activity was found significant [IC50=(135.20±0.56) µg/mL] as compared to ascorbic acid [(130.00±0.76) µg/mL]. The reducing power was increased with concentration. Total phenol and total flavonoid contents were (153.08±0.38) mg/mL and (172.04±0.56) mg/mL respectively. The paralysis and death time of earthworms for different concentrations of extract were determined and compared with albendazole. The results showed that 10 mg/mL of the crude extract had similar effect with albendazole. Additionally, the crude extract showed a concentration depended relationship with its anthelmintic property. The clot lysis activity of crude extract was compared to the standard streptokinase's clot lysis (40.13%) activity and found significant (31%). CONCLUSIONS The study proves that the crude methanolic extract of Enhydra fluctuans Lour. has significant antioxidant, anthelmintic and thrombolytic activity containing wide range of phytochemicals.
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Affiliation(s)
- Sourov Kuri
- Department of Pharmacy, Noakhali Science and Technology University, Sonapur, Noakhali-3814, Bangladesh
| | - Md Mustahsan Billah
- Department of Pharmacy, Noakhali Science and Technology University, Sonapur, Noakhali-3814, Bangladesh
| | - S M Masud Rana
- Department of Pharmacy, Noakhali Science and Technology University, Sonapur, Noakhali-3814, Bangladesh
| | - Zannatul Naim
- Department of Pharmacy, Atish Dipankar University of Science and Technology, Dhaka, Bangladesh
| | - Md Mahmodul Islam
- Department of Pharmacy, Noakhali Science and Technology University, Sonapur, Noakhali-3814, Bangladesh
| | - Md Hasanuzzaman
- Department of Pharmacy, Noakhali Science and Technology University, Sonapur, Noakhali-3814, Bangladesh
| | - Md Ramjan Ali
- Department of Pharmacy, Noakhali Science and Technology University, Sonapur, Noakhali-3814, Bangladesh
| | - Rana Banik
- Department of Pharmacy, Noakhali Science and Technology University, Sonapur, Noakhali-3814, Bangladesh
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Ishtiaq S, Ahmad M, Hanif U, Akbar S, Mehjabeen, Kamran SH. Phytochemical and in vitro antioxidant evaluation of different fractions of Amaranthus graecizans subsp. silvestris (Vill.) Brenan. ASIAN PAC J TROP MED 2014; 7S1:S342-7. [DOI: 10.1016/s1995-7645(14)60256-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2014] [Revised: 07/19/2014] [Accepted: 08/15/2014] [Indexed: 10/24/2022] Open
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Apolinário AC, do Nascimento ML, de Luna Vieira JP, Melo CDO, Santos FF, de Lima Damasceno BPG, Converti A, Pessoa A, da Silva JA. Physico-chemical quality parameters of herbal products from Agave sisalana. Nat Prod Res 2014; 28:1992-9. [PMID: 24896813 DOI: 10.1080/14786419.2014.920334] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Agave sisalana components have great potential in different pharmaceutical applications, but the quality of herbal raw materials is essential to reach the desired product specifications. In this work, we investigated the physico-chemical quality parameters of bole and wastes from decortication of A. sisalana leaves. The statistically significant variations among products suggest different pharmaceutical applications for each of them.
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Affiliation(s)
- Alexsandra Conceição Apolinário
- a Graduation Program in Pharmaceutical Sciences, State University of Paraíba, Rua Juvêncio Arruda, S/N, Bairro Universitário , 58429-600 Campina Grande , Paraíba , Brazil
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Lay MM, Karsani SA, Mohajer S, Abd Malek SN. Phytochemical constituents, nutritional values, phenolics, flavonols, flavonoids, antioxidant and cytotoxicity studies on Phaleria macrocarpa (Scheff.) Boerl fruits. Altern Ther Health Med 2014; 14:152. [PMID: 24885709 PMCID: PMC4039986 DOI: 10.1186/1472-6882-14-152] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2013] [Accepted: 04/17/2014] [Indexed: 11/10/2022]
Abstract
BACKGROUND The edible fruits of Phaleria macrocarpa (Scheff.) Boerl are widely used in traditional medicine in Indonesia. It is used to treat a variety of medical conditions such as - cancer, diabetes mellitus, allergies, liver and heart diseases, kidney failure, blood diseases, high blood pressure, stroke, various skin diseases, itching, aches, and flu. Therefore, it is of great interest to determine the biochemical and cytotoxic properties of the fruit extracts. METHODS The methanol, hexane, chloroform, ethyl acetate, and water extracts of P. macrocarpa fruits were examined for phytochemicals, physicochemicals, flavonols, flavonoids and phenol content. Its nutritional value (A.O.A.C method), antioxidant properties (DPPH assay) and cytotoxicity (MTT cell proliferation assay) were also determined. RESULTS A preliminary phyotochemical screening of the different crude extracts from the fruits of P. macrocarpa showed the presence secondary metabolites such as of flavonoids, phenols, saponin glycosides and tannins. The ethyl acetate and methanol extracts displayed high antioxidant acitivity (IC50 value of 8.15±0.02 ug/mL) in the DPPH assay comparable to that of the standard gallic acid (IC50 value of 10.8±0.02 ug/mL). Evaluation of cytotoxic activity showed that the crude methanol extract possessed excellent anti-proliferative activity against SKOV-3 (IC50 7.75±2.56 μg/mL) after 72 hours of treatment whilst the hexane and ethyl acetate extracts displayed good cytotoxic effect against both SKOV-3 and MDA-MB231 cell lines. The chloroform extract however, showed selective inhibitory activity in the breast cancer cell line MDA-MB231 (IC50 7.80±1.57 μg/mL) after 48 hours of treatment. There was no cytotoxic effect observed in the Ca Ski cell line and the two normal cell lines (MRC-5 and WRL-68). CONCLUSION The methanol extract and the ethyl acetate fraction of P. macrocarpa fruits exhibited good nutritional values, good antioxidant and cytotoxic activities, and merits further investigation to identify the specific compound(s) responsible for these activities.
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Senguttuvan J, Paulsamy S, Karthika K. Phytochemical analysis and evaluation of leaf and root parts of the medicinal herb, Hypochaeris radicata L. for in vitro antioxidant activities. Asian Pac J Trop Biomed 2014; 4:S359-67. [PMID: 25183112 PMCID: PMC4025295 DOI: 10.12980/apjtb.4.2014c1030] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2014] [Accepted: 03/10/2014] [Indexed: 10/25/2022] Open
Abstract
OBJECTIVE To analyse qualitative and quantitative phytochemical and evaluate in vitro antioxidant properties of various alcoholic and aqueous extracts of leaf and root parts of Hypochaeris radicata. METHODS Preliminary phytochemical analysis for alkaloids, cardiac glycosides, flavonoids, glycosides, phenols, resins, saponins, steroids, tannins, terpenoids and triterpenoids and quantitative phytochemical analysis for alkaloids, total phenolics, total flavonoids, tannins, saponins and ascorbic acid were made by following standard procedures. In vitro antioxidant properties were evaluated by assessing DPPH(•), NO(•) and ABTS(•+), radical scavenging abilities and assaying the reducing power, β-carotene and antihemolytic activities by adapting standard methods. RESULTS The quantitative phytochemical analysis of this species exhibited the presence of alkaloids, total phenolics, total flavonoids, tannins, saponins and ascorbic acid in considerable quantity. The in vitro antioxidant activity of the species, Hypochaeris radicata clearly demonstrated that both the leaf and root parts have prominent antioxidant properties. CONCLUSIONS From this study, it can be concluded that the species is effective in scavenging free radicals and has the potential to be a powerful antioxidant.
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Affiliation(s)
| | - Subramaniam Paulsamy
- *Corresponding author: Paulsamy Subramaniam, Associate Professor, Department of Botany, Kongunadu Arts and Science College, Coimbatore-641 029, Tamil Nadu, India. Tel: 9944687080 Fax: 0422-2644452 E-mail:
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Choe JH, Kim HY, Kim YJ, Yeo EJ, Kim CJ. Antioxidant Activity and Phenolic Content of Persimmon Peel Extracted with Different Levels of Ethanol. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2014. [DOI: 10.1080/10942912.2012.731460] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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