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Gautam SK, Paul RK, Sawant DM, Sarwal A, Raza K. Critical Review on Balanites aegyptiaca Delile: Phytoconstituents, Pharmacological Properties and Nanointerventions. Chin J Integr Med 2024; 30:653-663. [PMID: 37930510 DOI: 10.1007/s11655-023-3563-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/17/2023] [Indexed: 11/07/2023]
Abstract
Balanites aegyptiaca Delile (BA) is an enduring xerophytic woody and spinous flowering tree and is commonly known as desert date or Ingudi (Hingot). It belongs to the family Zygophyllaceae, which is specific to be drought areas of Nigeria, Africa, South Asia and India (Rajasthan). In Ayurveda, this traditional medicinal plant is reported for the management of jaundice, syphilis, yellow fever, metabolic disorders, liver, and spleen problems. The main aim of the review is to compile its medicinal uses and further advancements to showcase the promises inherited in various parts of the plant for the benefit of mankind. As per the literature survey, various researchers have focused on the detailed investigation of BA including the phytopharmacological evidence, chemical constituents, nano-formulations, commercialized products, and clinical trials. Several remarkable scaffolds and isolated compounds like diosgenin, yamogenin, balanitin1/2, balanitin 3, bal4/5, bal6/7, rutin-3-glycosides, 3,7-diglycosides, (3, 12, 14, 16)-(12-hydroxycholest-5-ene-3,16-diyl-bis)-D-glucopyranoside and balanitoside have been identified. Additionally, this traditional plant has been scientifically proven by in vitro and in vivo. Based on the complete review of this plant, most of the compounds have been isolated from the fruit and kernel part. Additionally, based on the literature, a histogram was developed for pharmacological activity in which antidiabetic study was found to be more compared to other pharmacological activity. As a spinous desert dates, this plant needs to be explored more to bring out newer phytochemicals in the management of various diseases.
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Affiliation(s)
- Surendra Kumar Gautam
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer, Rajasthan, 305817, India
| | - Rakesh Kumar Paul
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer, Rajasthan, 305817, India
| | - Devesh M Sawant
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer, Rajasthan, 305817, India
| | - Amita Sarwal
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh, 160014, India
| | - Kaisar Raza
- Department of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer, Rajasthan, 305817, India.
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Alahmer S, El-Noss M, Farid A. Preparation of chitosan nanoparticles loaded with Balanites aegyptiaca extract for treatment of streptozotocin-induced diabetes in rats. Int J Biol Macromol 2024; 262:130061. [PMID: 38336324 DOI: 10.1016/j.ijbiomac.2024.130061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 02/05/2024] [Accepted: 02/06/2024] [Indexed: 02/12/2024]
Abstract
Diabetes mellitus is characterized by elevated blood sugar level due to a deficiency in insulin production and/or action. Balanites aegyptiaca (BA) has been employed as a hypoglycemic medication. Nanoparticles (NPs) have many advantages like minimized drug dose, sustainable drug release, maximized bioavailability and delivery of drugs. The study aimed to synthesize novel chitosan (CS) NPs loaded with BA extract (BA Ex). The prepared NPs were examined in treatment of streptozotocin-induced diabetes in rats. The anti-diabetic efficiency was evaluated through measuring of levels of blood glucose, insulin, lipid profile, oxidative stress markers, pro-inflammatory cytokines. GC-MS, HPLC and ICP techniques showed the presence of numerous bioactive components that have an anti-diabetic effectiveness. BA Ex-CS NPs succeeded in treatment of diabetes; where, it increased insulin secretion, lowered both FBG and FTA levels and helped in neogenesis of pancreatic islets beta cells. The regenerative activity of BA Ex-CS NPs is attributed to its high antioxidant and anti-inflammatory properties. This antioxidant activity scavenged the generated free radicles that resulted from STZ administration. CS NPs raised the plant extract efficacy, prevented its degradation, and regulated the release of its components. The delivery of BA Ex bioactive components has been revolutionized by CS NPs.
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Affiliation(s)
- Shimaa Alahmer
- Zoology Dep., Faculty of Science, Cairo University, Giza, Egypt
| | - Mostafa El-Noss
- Egyptian Desalithenation Research Center (EDRC), Desert Research Center (DRC), El-Mataryia, Cairo, Egypt
| | - Alyaa Farid
- Zoology Dep., Faculty of Science, Cairo University, Giza, Egypt.
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Tak Y, Kaur M, Chitranashi A, Samota MK, Verma P, Bali M, Kumawat C. Fenugreek derived diosgenin as an emerging source for diabetic therapy. Front Nutr 2024; 11:1280100. [PMID: 38371502 PMCID: PMC10873921 DOI: 10.3389/fnut.2024.1280100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Accepted: 01/08/2024] [Indexed: 02/20/2024] Open
Abstract
Diabetes is a chronic metabolic disease that endangers the entire body's tissues and organs. Diabetes impairs glucose and insulin regulation in the human body by causing pancreatic cell damage. Diabetes modifies pathways such as serine/threonine protein kinase (Akt) and Protein kinase C (PKC)/- glucose transporter 4 (GLUT4), peroxisome proliferator-activated receptor (PPAR) glucose absorption, and inhibits α-amylase and α-glucosidase, Sodium/glucose cotransporter 1 (SGLT-1), and Na+-K+-ATPase activity. Diabetes may also be caused by a decrease in the expression of sterol regulatory element binding protein 1 (SREBP-1) and its target genes, fatty acid synthase (FAS), stearoyl-CoA desaturase-1 (SCD-1), and acetyl-CoA carboxylase α (ACC), as well as a decrease in the levels of C/EBP homologous protein (CHOP), Caspase12, and Caspase3 proteins. Diabetes has long been linked to diseases of the cardiovascular, nervous, skeletal, reproductive, hepatic, ocular, and renal systems. Diosgenin, a steroidal compound derived from fenugreek, aids in the prevention of diabetes by altering cellular pathways in favor of healthy bodily functions. Diosgenin is a new nutraceutical on the market that claims to cure diabetes in particular. This article focuses on diosgenin extraction and purification, fenugreek bioactive compounds, pharmacological properties of diosgenin, mode of action of diosgenin to cure diabetes, and dosages.
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Affiliation(s)
- Yamini Tak
- Agricultural Research Station, Agriculture University, Kota, India
| | - Manpreet Kaur
- Department of Biochemistry, Punjab Agricultural University, Ludhiana, India
| | - Abhishek Chitranashi
- Division of Biochemistry, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Mahesh Kumar Samota
- ICAR-Central Institute of Post-Harvest Engineering & Technology, Ludhiana, India
| | - Preeti Verma
- Agricultural Research Station, Agriculture University, Kota, India
| | - Manoj Bali
- School of Sciences, Rayat Bahra University, Mohali, India
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Zahran F, Nabil A, Nassr A, Barakat N. Amelioration of exosome and mesenchymal stem cells in rats infected with diabetic nephropathy by attenuating early markers and aquaporin-1 expression. BRAZ J BIOL 2023; 83:e271731. [PMID: 37466513 DOI: 10.1590/1519-6984.271731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 05/21/2023] [Indexed: 07/20/2023] Open
Abstract
Diabetic nephropathy (DN) is a prevalent diabetic microvascular condition. It is the leading cause of kidney disease in the advanced stages. There is no currently effective treatment available. This research aimed to investigate the curative potentials of exosomes isolated from mesenchymal stem cells affecting DN. This study was performed on 70 male adult albino rats. Adult rats were randomized into seven groups: Group I: Negative control group, Group II: DN group, Group III: Balanites treated group, Group IV: MSCs treated group, Group V: Exosome treated group, Group VI: Balanites + MSCs treated group and Group VII: Balanites + exosome treated group. Following the trial period, blood and renal tissues were subjected to biochemical, gene expression analyses, and histopathological examinations. Results showed that MDA was substantially increased, whereas TAC was significantly decreased in the kidney in the DN group compared to normal health rats. Undesired elevated values of MDA levels and a decrease in TAC were substantially ameliorated in groups co-administered Balanites aegyptiacae with MSCs or exosomes compared to the DN group. A substantial elevation in TNF-α and substantially diminished concentration of IGF-1 were noticed in DN rats compared to normal health rats. Compared to the DN group, the co-administration of Balanites aegyptiacae with MSCs or exosomes substantially improved the undesirable elevated values of TNF-α and IGF-1. Furthermore, in the DN group, the mRNA expression of Vanin-1, Nephrin, and collagen IV was significantly higher than in normal healthy rats. Compared with DN rats, Vanin-1, Nephrin, and collagen IV Upregulation were substantially reduced in groups co-administered Balanites aegyptiacae with MSCs or exosomes. In DN rats, AQP1 expression was significantly lower than in normal healthy rats. Furthermore, the groups co-administered Balanites aegyptiacae with MSCs or exosomes demonstrated a substantial increase in AQP1 mRNA expression compared to DN rats.
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Affiliation(s)
- F Zahran
- Zagazig University, Faculty of Science, Chemistry Department, Biochemistry Division, Zagazig, Egypt
| | - A Nabil
- Beni-Suef University, Faculty of Postgraduate Studies for Advanced Sciences - PSAS, Biotechnology and Life Sciences Department, Beni-Suef, Egypt
| | - A Nassr
- Zagazig University, Faculty of Science, Chemistry Department, Biochemistry Division, Zagazig, Egypt
| | - N Barakat
- Mansoura University, Urology and Nephrology Center, Mansoura, Egypt
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Cortez-Navarrete M, Pérez-Rubio KG, Escobedo-Gutiérrez MDJ. Role of Fenugreek, Cinnamon, Curcuma longa, Berberine and Momordica charantia in Type 2 Diabetes Mellitus Treatment: A Review. Pharmaceuticals (Basel) 2023; 16:ph16040515. [PMID: 37111272 PMCID: PMC10145167 DOI: 10.3390/ph16040515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/25/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM) is a complex disease that has become a major global health concern. Given the efficacy of antidiabetic drugs, pharmacological therapy is considered the first-line treatment of T2DM; however, due to their potential side effects and high costs, new and cost-effective treatments with minimal side effects are needed. Medicinal plants have been used for centuries as part of traditional medicine to treat T2DM. Among these, fenugreek, cinnamon, Curcuma longa, berberine, and Momordica charantia have demonstrated different degrees of hypoglycemic activity in clinical studies and animal models. Therefore, the aim of this review is to synthesize the mechanisms of action of five medicinal plants, as well as the experimental and clinical evidence of their hypoglycemic activity from the published literature.
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Affiliation(s)
- Marisol Cortez-Navarrete
- Institute of Experimental and Clinical Therapeutics, Department of Physiology, Health Science University Center, University of Guadalajara, Sierra Mojada 950, Col. Independencia, Guadalajara 44340, Jalisco, Mexico
| | - Karina G. Pérez-Rubio
- Institute of Experimental and Clinical Therapeutics, Department of Physiology, Health Science University Center, University of Guadalajara, Sierra Mojada 950, Col. Independencia, Guadalajara 44340, Jalisco, Mexico
| | - Miriam de J. Escobedo-Gutiérrez
- Institute of Experimental and Clinical Therapeutics, Department of Physiology, Health Science University Center, University of Guadalajara, Sierra Mojada 950, Col. Independencia, Guadalajara 44340, Jalisco, Mexico
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Effects of Fenugreek Seed Extracts on Growth Performance and Intestinal Health of Broilers. Poult Sci 2022; 101:101939. [PMID: 35691048 PMCID: PMC9194860 DOI: 10.1016/j.psj.2022.101939] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 04/06/2022] [Accepted: 04/25/2022] [Indexed: 01/25/2023] Open
Abstract
The purpose of this experiment was to study the effects of fenugreek seed extract (FSE) on the growth performance, intestinal morphology, intestinal immunity and cecal micro-organisms in yellow-feathered broilers. A total of 240 one-day-old male yellow-feathered broilers were selected and randomly assigned to four treatments with 6 replicates per group and ten broilers per replicate. Started from the third day, birds were fed with basal diet (CON group) or basal diet supplemented with 30 mg/kg Zinc bacitracin (ZB group), or basal diet supplemented with 50 (D-FSE group) or 100 (H-FSE group) mg/kg FSE, respectively. The experiment lasted for 56 d. The results showed that dietary FSE supplementation improved average daily weight gain (ADG) and ratio of feed to weight gain (F: G) (P < 0.01), increased intestinal villus height (VH), villus height to crypt depth ratio (V/C) (P < 0.05), serum concentrations of IL-10, and the contents of secretory immunoglobulin A (sIgA) (P < 0.05), as well as decreased the activity of iNOS (P < 0.05). The high-throughput sequencing results showed that dietary FSE supplementation increased the alpha diversity of cecal microbes, and Firmicutes, Bacteroidetes, Verrucomicrobia and Proteobacteria taken up 95% of all phyla detected, FSE significantly reduced Campylobacter, Synergistes, and Lachnoclostridium abundance (P ≤ 0.05). There were significant difference in more than 30 KEGG pathways between FSE added group and control group or ZB group. FSE supplementation, in other words, maintained gut microbiota homeostasis while improving broiler growth performance. As a result, FSE has the potential to replace prophylactic antibiotic use in poultry production system.
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Zaky AS, Kandeil M, Abdel-Gabbar M, Fahmy EM, Almehmadi MM, Ali TM, Ahmed OM. The Antidiabetic Effects and Modes of Action of the Balanites aegyptiaca Fruit and Seed Aqueous Extracts in NA/STZ-Induced Diabetic Rats. Pharmaceutics 2022; 14:pharmaceutics14020263. [PMID: 35213996 PMCID: PMC8876146 DOI: 10.3390/pharmaceutics14020263] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 01/16/2022] [Accepted: 01/19/2022] [Indexed: 12/04/2022] Open
Abstract
Diabetes mellitus (DM) is a chronic metabolic disorder that threatens human health. Medicinal plants have been a source of wide varieties of pharmacologically active constituents and used extensively as crude extracts or as pure compounds for treating various disease conditions. Thus, the aim of this study is to assess the anti-hyperglycemic and anti-hyperlipidemic effects and the modes of action of the aqueous extracts of the fruits and seeds of Balanites aegyptiaca (B. aegyptiaca) in nicotinamide (NA)/streptozotocin (STZ)-induced diabetic rats. Gas chromatography–mass spectrometry analysis indicated that 3,4,6-tri-O-methyl-d-glucose and 9,12-octadecadienoic acid (Z,Z)- were the major components of the B. aegyptiaca fruit and seed extracts, respectively. A single intraperitoneal injection of STZ (60 mg/kg body weight (b.w.)) 15 min after intraperitoneal NA injection (60 mg/kg b.w.) was administered to induce type 2 DM. After induction was established, the diabetic rats were treated with the B. aegyptiaca fruit and seed aqueous extracts (200 mg/kg b.w./day) via oral gavage for 4 weeks. As a result of the treatments with the B. aegyptiaca fruit and seed extracts, the treated diabetic-treated rats exhibited a significant improvement in the deleterious effects on oral glucose tolerance; serum insulin, and C-peptide levels; liver glycogen content; liver glucose-6-phosphatase and glycogen phosphorylase activities; serum lipid profile; serum free fatty acid level; liver lipid peroxidation; glutathione content and anti-oxidant enzyme (glutathione peroxidase, glutathione-S-transferase, and superoxide dismutase) activities; and the mRNA expression of the adipose tissue expression of the insulin receptor β-subunit. Moreover, the treatment with fruit and seed extracts also produced a remarkable improvement of the pancreatic islet architecture and integrity and increased the islet size and islet cell number. In conclusion, the B. aegyptiaca fruit and seed aqueous extracts exhibit potential anti-hyperglycemic and anti-hyperlipidemic effects, which may be mediated by increasing the serum insulin levels, decreasing insulin resistance, and enhancing the anti-oxidant defense system in diabetic rats.
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Affiliation(s)
- Asmaa S. Zaky
- Biochemistry Department, Faculty of Science, Beni-Suef University, Beni-Suef P.O. Box 62521, Egypt; (A.S.Z.); (M.A.-G.)
| | - Mohamed Kandeil
- Biochemistry Department, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef P.O. Box 62521, Egypt;
| | - Mohamed Abdel-Gabbar
- Biochemistry Department, Faculty of Science, Beni-Suef University, Beni-Suef P.O. Box 62521, Egypt; (A.S.Z.); (M.A.-G.)
| | - Eman M. Fahmy
- Department of Internal Medicine, Faculty of Medicine, Helwan University, Helwan 11795, Egypt;
| | - Mazen M. Almehmadi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Tarek M. Ali
- Department of Physiology, College of Medicine, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Osama M. Ahmed
- Physiology Division, Department of Zoology, Faculty of Science, Beni-Suef University, Beni-Suef P.O. Box 62521, Egypt
- Correspondence: or
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Floris S, Fais A, Medda R, Pintus F, Piras A, Kumar A, Kuś PM, Westermark GT, Era B. Washingtonia filifera seed extracts inhibit the islet amyloid polypeptide fibrils formations and α-amylase and α-glucosidase activity. J Enzyme Inhib Med Chem 2021; 36:517-524. [PMID: 33494628 PMCID: PMC7850368 DOI: 10.1080/14756366.2021.1874945] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 12/27/2020] [Accepted: 01/07/2021] [Indexed: 01/13/2023] Open
Abstract
Washingtonia filifera seeds have revealed to possess antioxidant properties, butyrylcholinesterase and xanthine oxidase inhibition activities. The literature has indicated a relationship between Alzheimer's disease (AD) and type-2 diabetes (T2D). Keeping this in mind, we have now evaluated the inhibitory properties of W. filifera seed extracts on α-amylase, α-glucosidase enzyme activity and the Islet Amyloid Polypeptide (IAPP) fibrils formation. Three extracts from seeds of W. filifera were evaluated for their enzyme inhibitory effect and IC50 values were calculated for all the extracts. The inhibition mode was investigated by Lineweaver-Burk plot analysis and the inhibition of IAPP aggregate formation was monitored. W. filifera methanol seed extract appears as the most potent inhibitor of α-amylase, α-glucosidase, and for the IAPP fibril formation. Current findings indicate new potential of this extract that could be used for the identification or development of novel potential agents for T2D and AD.
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Affiliation(s)
- Sonia Floris
- Department of Life and Environmental Sciences, University of Cagliari, Cagliari, Italy
| | - Antonella Fais
- Department of Life and Environmental Sciences, University of Cagliari, Cagliari, Italy
| | - Rosaria Medda
- Department of Life and Environmental Sciences, University of Cagliari, Cagliari, Italy
| | - Francesca Pintus
- Department of Life and Environmental Sciences, University of Cagliari, Cagliari, Italy
| | - Alessandra Piras
- Department of Chemical and Geological Sciences, University of Cagliari, Cagliari, Italy
| | - Amit Kumar
- Department of Electrical and Electronic Engineering, University of Cagliari, Cagliari, Italy
| | - Piotr Marek Kuś
- Department of Pharmacognosy and Herbal Medicines, Wroclaw Medical University, Wrocław, Poland
| | | | - Benedetta Era
- Department of Life and Environmental Sciences, University of Cagliari, Cagliari, Italy
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Tiwari A, Melchor-Martínez EM, Saxena A, Kapoor N, Singh KJ, Saldarriaga-Hernández S, Parra-Saldívar R, Iqbal HMN. Therapeutic attributes and applied aspects of biological macromolecules (polypeptides, fucoxanthin, sterols, fatty acids, polysaccharides, and polyphenols) from diatoms - A review. Int J Biol Macromol 2021; 171:398-413. [PMID: 33422516 DOI: 10.1016/j.ijbiomac.2020.12.219] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 12/26/2020] [Accepted: 12/30/2020] [Indexed: 02/08/2023]
Abstract
Diatoms are ubiquitous, biologically widespread, and have global significance due to their unique silica cell wall composition and noteworthy applied aspects. Diatoms are being extensively exploited for environmental monitoring, reconstruction, and stratigraphic correlation. However, considering all the rich elements of diatoms biology, the current literature lacks sufficient information on the therapeutic attributes and applied aspects of biological macromolecules from diatoms, hampering added advances in all aspects of diatom biology. Diatoms offer numerous high-value compounds, such as fatty acids, polysaccharides, polypeptides, pigments, and polyphenols. Diatoms with a high content of PUFA's are targets of transformation into high-value products through microalgal technologies due to their wide application and growing market as nutraceuticals and food supplements. Diatoms are renewable biomaterial, which can be used to develop drug delivery systems due to biocompatibility, surface area, cost-effective ratio, and ease in surface modifications. Innovative approaches are needed to envisage cost-effective ways for the isolation of bioactive compounds, enhance productivity, and elucidate the detailed mechanism of action. This review spotlights the notable applications of diatoms and their biologically active constituents, such as fucoxanthin and omega 3 fatty acids, among others with unique structural and functional entities.
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Affiliation(s)
- Archana Tiwari
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, India.
| | | | - Abhishek Saxena
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, India
| | - Neha Kapoor
- Department of Chemistry, Hindu College, University of Delhi, New Delhi, India
| | - Kawal Jeet Singh
- Diatom Research Laboratory, Amity Institute of Biotechnology, Amity University, Noida, India
| | | | | | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico.
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Murthy HN, Yadav GG, Dewir YH, Ibrahim A. Phytochemicals and Biological Activity of Desert Date ( Balanites aegyptiaca (L.) Delile). PLANTS 2020; 10:plants10010032. [PMID: 33375570 PMCID: PMC7823407 DOI: 10.3390/plants10010032] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 12/19/2020] [Accepted: 12/22/2020] [Indexed: 11/20/2022]
Abstract
Many underutilized tree species are good sources of food, fodder and possible therapeutic agents. Balanites aegyptiaca (L.) Delile belongs to the Zygophyllaceae family and is popularly known as “desert date”, reflecting its edible fruits. This tree grows naturally in Africa, the Middle East and the Indian subcontinent. Local inhabitants use fruits, leaves, roots, stem and root bark of the species for the treatment of various ailments. Several research studies demonstrate that extracts and phytochemicals isolated from desert date display antioxidant, anticancer, antidiabetic, anti-inflammatory, antimicrobial, hepatoprotective and molluscicidal activities. Mesocarp of fruits, seeds, leaves, stem and root bark are rich sources of saponins. These tissues are also rich in phenolic acids, flavonoids, coumarins, alkaloids and polysterols. Some constituents show antioxidant, anticancer and antidiabetic properties. The objective of this review is to summarize studies on diverse bioactive compounds and the beneficial properties of B. aegyptiaca.
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Affiliation(s)
| | | | - Yaser Hassan Dewir
- Plant Production Department, P.O. Box 2460, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia;
- Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh 33516, Egypt
- Correspondence:
| | - Abdullah Ibrahim
- Plant Production Department, P.O. Box 2460, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia;
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Abdel Motaal A, Salem HH, Almaghaslah D, Alsayari A, Bin Muhsinah A, Alfaifi MY, Elbehairi SEI, Shati AA, El-Askary H. Flavonol Glycosides: In Vitro Inhibition of DPPIV, Aldose Reductase and Combating Oxidative Stress are Potential Mechanisms for Mediating the Antidiabetic Activity of Cleome droserifolia. Molecules 2020; 25:E5864. [PMID: 33322431 PMCID: PMC7764826 DOI: 10.3390/molecules25245864] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 11/29/2020] [Accepted: 12/05/2020] [Indexed: 11/17/2022] Open
Abstract
Diabetes is a major health problem that is associated with high risk of various complications. Medicinal plants hold great promise against diabetes. The traditional use of Cleome droserifolia as an antidiabetic agent was correlated to its flavonol glycosides content. In the current study, five major flavonol glycosides appeared on the RP-HPLC chromatogram of the aqueous extract namely; quercetin-3-O-β-d-glucosyl-7-O-α-rhamnoside (1), isorhamnetin-7-O-β-neohesperidoside (2), isorhamnetin-3-O-β-d-glucoside (3) kaempferol-4'-methoxy-3,7-O-α-dirhamnoside (4), and isorhamnetin-3-O-α-(4″-acetylrhamnoside)-7-O-α-rhamnoside (5). The inhibitory activities of these compounds were tested in vitro against several enzymes involved in diabetes management. Only the relatively less polar methoxylated flavonol glycosides (4, 5) showed mild to moderate α-amylase and α-glucosidase inhibitory activities. Compounds 1-4 displayed remarkable inhibition of dipeptidyl peptidase IV (DPPIV) enzyme (IC50 0.194 ± 0.06, 0.573 ± 0.03, 0.345 ± 0.02 and 0.281 ± 0.05 µg/mL, respectively) comparable to vildagliptin (IC50 0.154 ± 0.02 µg/mL). Moreover, these compounds showed high potential in preventing diabetes complications through inhibiting aldose reductase enzyme and combating oxidative stress. Both isorhamnetin glycoside derivatives (2, 3) exhibited the highest activities in aldose reductase inhibition and compound 2 (IC50 5.45 ± 0.26 µg/mL) was even more potent than standard quercetin (IC50 7.77 ± 0.43 µg/mL). Additionally, these flavonols exerted excellent antioxidant capacities through 2, 2-diphenyl-1-picrylhydrazil (DPPH) and ferric reducing antioxidant (FRAP) assays.
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Affiliation(s)
- Amira Abdel Motaal
- Department of Pharmacognosy, College of Pharmacy, King Khalid University, Abha 61441, Saudi Arabia; (A.A.); (A.B.M.)
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt;
| | - Heba H. Salem
- Department of Biochemistry, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt;
- College of Pharmacy, King Khalid University, Abha 61441, Saudi Arabia
| | - Dalia Almaghaslah
- Department of Clinical Pharmacy, College of Pharmacy, King Khalid University, Abha 61441, Saudi Arabia;
| | - Abdulrhman Alsayari
- Department of Pharmacognosy, College of Pharmacy, King Khalid University, Abha 61441, Saudi Arabia; (A.A.); (A.B.M.)
| | - Abdullatif Bin Muhsinah
- Department of Pharmacognosy, College of Pharmacy, King Khalid University, Abha 61441, Saudi Arabia; (A.A.); (A.B.M.)
| | - Mohammad Y. Alfaifi
- Department of Biology, Faculty of Science, King Khalid University, Abha 9004, Saudi Arabia; (M.Y.A.); (S.E.I.E.); (A.A.S.)
| | - Serag Eldin I. Elbehairi
- Department of Biology, Faculty of Science, King Khalid University, Abha 9004, Saudi Arabia; (M.Y.A.); (S.E.I.E.); (A.A.S.)
- Cell Culture Laboratory, Egyptian Organization for Biological Products and Vaccines, VACSERA Holding Company, Giza 22311, Egypt
| | - Ali A. Shati
- Department of Biology, Faculty of Science, King Khalid University, Abha 9004, Saudi Arabia; (M.Y.A.); (S.E.I.E.); (A.A.S.)
| | - Hesham El-Askary
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt;
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12
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Value-added co-products from biomass of the diatoms Staurosirella pinnata and Phaeodactylum tricornutum. ALGAL RES 2020. [DOI: 10.1016/j.algal.2020.101830] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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13
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Pereira AS, Banegas-Luna AJ, Peña-García J, Pérez-Sánchez H, Apostolides Z. Evaluation of the Anti-Diabetic Activity of Some Common Herbs and Spices: Providing New Insights with Inverse Virtual Screening. Molecules 2019; 24:E4030. [PMID: 31703341 PMCID: PMC6891552 DOI: 10.3390/molecules24224030] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 11/01/2019] [Accepted: 11/04/2019] [Indexed: 12/20/2022] Open
Abstract
Culinary herbs and spices are widely used as a traditional medicine in the treatment of diabetes and its complications, and there are several scientific studies in the literature supporting the use of these medicinal plants. However, there is often a lack of knowledge on the bioactive compounds of these herbs and spices and their mechanisms of action. The aim of this study was to use inverse virtual screening to provide insights into the bioactive compounds of common herbs and spices, and their potential molecular mechanisms of action in the treatment of diabetes. In this study, a library of over 2300 compounds derived from 30 common herbs and spices were screened in silico with the DIA-DB web server against 18 known diabetes drug targets. Over 900 compounds from the herbs and spices library were observed to have potential anti-diabetic activity and liquorice, hops, fennel, rosemary, and fenugreek were observed to be particularly enriched with potential anti-diabetic compounds. A large percentage of the compounds were observed to be potential polypharmacological agents regulating three or more anti-diabetic drug targets and included compounds such as achillin B from yarrow, asparasaponin I from fenugreek, bisdemethoxycurcumin from turmeric, carlinoside from lemongrass, cinnamtannin B1 from cinnamon, crocin from saffron and glabridin from liquorice. The major targets identified for the herbs and spices compounds were dipeptidyl peptidase-4 (DPP4), intestinal maltase-glucoamylase (MGAM), liver receptor homolog-1 (NR5A2), pancreatic alpha-amylase (AM2A), peroxisome proliferator-activated receptor alpha (PPARA), protein tyrosine phosphatase non-receptor type 9 (PTPN9), and retinol binding protein-4 (RBP4) with over 250 compounds observed to be potential inhibitors of these particular protein targets. Only bay leaves, liquorice and thyme were found to contain compounds that could potentially regulate all 18 protein targets followed by black pepper, cumin, dill, hops and marjoram with 17 protein targets. In most cases more than one compound within a given plant could potentially regulate a particular protein target. It was observed that through this multi-compound-multi target regulation of these specific protein targets that the major anti-diabetic effects of reduced hyperglycemia and hyperlipidemia of the herbs and spices could be explained. The results of this study, taken together with the known scientific literature, indicated that the anti-diabetic potential of common culinary herbs and spices was the result of the collective action of more than one bioactive compound regulating and restoring several dysregulated and interconnected diabetic biological processes.
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Affiliation(s)
- Andreia S.P. Pereira
- Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Pretoria Hillcrest 0083, South Africa;
| | - Antonio J. Banegas-Luna
- Structural Bioinformatics and High-Performance Computing Research Group (BIO-HPC), Universidad Católica de Murcia, 30107 Murcia, Spain; (A.J.B.-L.)
| | - Jorge Peña-García
- Structural Bioinformatics and High-Performance Computing Research Group (BIO-HPC), Universidad Católica de Murcia, 30107 Murcia, Spain; (A.J.B.-L.)
| | - Horacio Pérez-Sánchez
- Structural Bioinformatics and High-Performance Computing Research Group (BIO-HPC), Universidad Católica de Murcia, 30107 Murcia, Spain; (A.J.B.-L.)
| | - Zeno Apostolides
- Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Pretoria Hillcrest 0083, South Africa;
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Egharevba GO, Dosumu OO, Oguntoye SO, Njinga NS, Dahunsi SO, Hamid AA, Anand A, Amtul Z, Priyanka U. Antidiabetic, antioxidant and antimicrobial activities of extracts of Tephrosia bracteolata leaves. Heliyon 2019; 5:e02275. [PMID: 31485511 PMCID: PMC6716168 DOI: 10.1016/j.heliyon.2019.e02275] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Revised: 06/14/2019] [Accepted: 08/07/2019] [Indexed: 10/26/2022] Open
Abstract
AIMS Plant extracts have long been used for the ethnomedical treatment of diabetes, microbial infections and as a source of antioxidant. This study was aimed at investigating the antidiabetic, antioxidant, and antimicrobial activities of the n-hexane and ethyl acetate extract of Tephrosia bracteolata leaves (TBL) as associated with the ethnobotanical knowledge of the local people of Nigeria. MAIN METHODS The phytochemical composition of the n-hexane and ethyl acetate extract of the leaves of T. bracteolata were determined following standard procedures in literature, and it's in vitro inhibitory activities against α-glucosidase enzyme. 2,2'-azino-bis (3-ethylbenzothiazoline-6-sulphonic acid) (ABTS.+) and 1,1-diphenyl-2-picrylhydrazyl (DPPH+) antioxidant activities were also examined. Well diffusion method was employed in evaluating the antimicrobial property of the extracts. KEY FINDINGS The ethyl acetate extract of T. bracteolata leaves had the greatest inhibitory effect on α-glucosidase, followed by the n-hexane with IC50 43.95 μg/ml and IC50 ˃50 μg/ml respectively. The ethyl acetate also exhibited significant DPPH+ and ABTS.+ antioxidant activity with IC50 of 24.96 μg/ml and 6.48 μg/ml as compared to Ascorbic acid and Trolox (12.24 μg/ml and 5.91 μg/ml) respectively. The zones of inhibition of the ethyl acetate extract of T. bracteolata leaves ranges from 10 - 25 mm at a concentration of 6.25-200 mg/ml, and it showed a greater antibacterial activity than the n-hexane extract, having a zone of inhibition from 10 - 20 mm at concentration of 12.5-200 mg/ml when compared to the standard Gentamycin. Similarly, the ethyl acetate extract of T. bracteolata showed a better anti fungi activity at concentration range 12.5-200 mg/ml than the n-hexane extract at concentration range of 25-200 mg/ml with reference to Tioconazole. These results indicated for the first time that the ethyl acetate extract of T. bracteolata leaves extracts exerted potent inhibitory effects against α-glucosidase, actively scavenge DPPH+ and ABTS.+ free radicals and successfully inhibits the proliferation of Gram positive and Gram negative microorganism. SIGNIFICANCE TBL is an important source of antidiabetic, antimicrobial and antioxidant agent.
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Affiliation(s)
- Godshelp Osas Egharevba
- Industrial Chemistry Programme, Department of Physical Sciences, College of Pure and Applied Sciences, Landmark University, Omu-Aran, Kwara State, Nigeria
- Medicinal Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Omotayo O. Dosumu
- Department of Industrial Chemistry, Faculty of Physical Sciences, University of Ilorin, P.M.B. 1515, Ilorin, Nigeria
| | - Stephen O. Oguntoye
- Department of Chemistry, Faculty of Physical Sciences, University of Ilorin, P.M.B. 1515, Ilorin, Nigeria
| | - Ngaitad S. Njinga
- Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmacy, University of Ilorin, P.M.B. 1515, Ilorin, Nigeria
| | - Samuel Olatunde Dahunsi
- Department of Microbiology, College of Pure and Applied Sciences, Landmark University, Omu-Aran, Kwara State, Nigeria
| | - A. Abdulmumeen Hamid
- Department of Chemistry, Faculty of Physical Sciences, University of Ilorin, P.M.B. 1515, Ilorin, Nigeria
| | - Ajay Anand
- Medicinal Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Zehra Amtul
- Medicinal Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Ukkujuri Priyanka
- Medicinal Chemistry and Pharmacology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
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15
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Hamza N, Berke B, Umar A, Cheze C, Gin H, Moore N. A review of Algerian medicinal plants used in the treatment of diabetes. JOURNAL OF ETHNOPHARMACOLOGY 2019; 238:111841. [PMID: 30959140 DOI: 10.1016/j.jep.2019.111841] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 03/26/2019] [Accepted: 03/26/2019] [Indexed: 05/27/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Plants are traditionally used in Algeria to treat many disorders, including diabetes mellitus. Knowledge of the plants that are used may provide insight on their properties, for further exploration. This study reviewed all the available published and unpublished reports concerning the use of herbal medicines in the treatment of diabetes in Algeria. AIM OF THE STUDY To describe the plants used in Algeria to treat diabetes, as reported in the literature. MATERIAL AND METHODS Systematic review of ethnobotanical papers published in the medical literature, from literature databases (Pubmed, Web of Science), as well as Google, for English, French and Arabic -language publication, and a manual search of local libraries and bookshops, as well as the university repository of PhD and master's theses. The reference lists of the papers retrieved were also examined for further papers. RESULTS Many plants are cited in the ethnobotanical surveys, but only very few pharmacological studies were found. In the ethnobotanical surveys, 171 plants were reported, from 58 families of which the most often cited were Asteraceae, Lamiaceae and Apiaceae. The plants with the best evidence of use and activity are: Anabasis articulata (Forssk.) Moq., Trigonella foenum-graecum L., Centaurium erythraea Rafn, Artemisia herba-alba Asso, Marrubium vulgare L., Agathophora alopecuroides (Delile) Fenzl ex Bunge, Anabasis articulata (Forssk.) Moq., Hammada elegans (Bunge) Botsch., Helianthemum kahiricum Delile, Salsola baryosma (Schult.) Dandy, Salsola vermiculata L., Olea europaea L. CONCLUSION Traditional herbal medicines are still very much used in Algeria to control diabetes. However they are generally poorly characterized and none have been properly tested in man. There is a need for systematic evaluation of the more commonly used plants to confirm their antidiabetic activity, identify possible mechanimss of action, and recommend best use.
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Affiliation(s)
- Nawel Hamza
- Département de Pharmacologie, Université de Bordeaux, Bordeaux, F33076, France; Département de Nutrition, Université des Frères Mentouri, INATAA, Constantine, 25000, Algeria.
| | - Bénédicte Berke
- Département de Pharmacologie, Université de Bordeaux, Bordeaux, F33076, France
| | - Anwar Umar
- Department of Pharmacology, Xinjiang Medical University, Urumqi, 830011, China
| | - Catherine Cheze
- Département de Pharmacologie, Université de Bordeaux, Bordeaux, F33076, France
| | - Henri Gin
- University of Bordeaux, Bordeaux University Hospital, France
| | - Nicholas Moore
- Département de Pharmacologie, Université de Bordeaux, Bordeaux, F33076, France; Department of Pharmacology, Xinjiang Medical University, Urumqi, 830011, China.
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16
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Hassanin KMA, Mahmoud MO, Hassan HM, Abdel-Razik ARH, Aziz LN, Rateb ME. Balanites aegyptiaca ameliorates insulin secretion and decreases pancreatic apoptosis in diabetic rats: Role of SAPK/JNK pathway. Biomed Pharmacother 2018; 102:1084-1091. [PMID: 29710525 DOI: 10.1016/j.biopha.2018.03.167] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2017] [Revised: 03/27/2018] [Accepted: 03/28/2018] [Indexed: 12/19/2022] Open
Abstract
SAPK-JNK pathway performs a significant role in the pathogenesis of type 2 diabetes. Balanites aegyptiaca (BA) is used as an anti-diabetic agent in folk medicine however its hypoglycemic mechanism is not fully elucidated. The current study aimed to evaluate the effect of crude extract, butanol, and dichloromethane fractions from BA on the stress-activated protein kinase/c-Jun N-terminal kinase (SAPK-JNK) pathway in experimental diabetic rats. Six groups of male Wistar rats were included: normal control, diabetic, diabetic rats treated with crude, butanol or dichloromethane fraction from BA (50 mg/kg BW) and diabetic rats treated with gliclazide as a reference drug for one month. Our results suggested a protective role of treatment of diabetic rats with BA against oxidative stress-induced SAPK-JNK pathway. Moreover, BA treatment produced a reduction in plasma glucose, HbA1c, lactic acid, lipid profile, malondialdehyde levels and produced an increase in insulin, reduced glutathione levels, catalase and superoxide dismutase activities compared with untreated diabetic rats. Moreover, it decreased apoptosis signal-regulating kinase 1, c-Jun N-terminal kinase 1, protein 53 and increased insulin receptor substrate 1 in rat pancreas while it increased glucose transporter 4 in rat muscle. Analysis of BA extracts by LC-HRMS revealed the presence of different saponins with reported hypoglycemic effect. In conclusion, BA exerted hypoglycemic, hypolipidemic, insulinotropic and antioxidant effects. Additionally, it reduced apoptosis in pancreatic β-cells and increased glucose uptake in muscle. These results suggest that the hypoglycemic effect of BA is due to the inhibition of the SAPK-JNK pathway.
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Affiliation(s)
- Kamel M A Hassanin
- Department of Biochemistry, Faculty of Veterinary Medicine, Minia University, El Minia 61519, Egypt
| | - Mohamed O Mahmoud
- Department of Biochemistry, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt
| | - Hossam M Hassan
- Pharmacognosy Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt
| | - Abdel-Razik H Abdel-Razik
- Department of Histology, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef 62511, Egypt
| | - Lourin N Aziz
- Department of Biochemistry, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt
| | - Mostafa E Rateb
- Pharmacognosy Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt; School of Science & Sport, the University of the West of Scotland, Paisley PA1 2BE, UK.
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17
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Mohamed NE, Ashour SE. Role of ethanolic extract of Morus alba leaves on some biochemical and hematological alterations in irradiated male rats. Int J Radiat Biol 2018; 94:374-384. [PMID: 29393711 DOI: 10.1080/09553002.2018.1433888] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
PURPOSE The present study aimed to evaluate the protective role of "Morus alba Linn (Family: Moraceae) commonly known as mulberry" leaves extract against hazardous effects of gamma rays in male rats. MATERIALS AND METHODS Thirty six male albino rats were divided into six groups (six rats/group); (1) control group received 1 ml distilled water, (2) low dose of extract (100 mg/kg) group treated daily with low oral dose of ethanolic extract of mulberry leaves (100 mg/kg body weight (b.wt.)) for 21 consecutive days, (3) high dose of extract (200 mg/kg) group treated daily with high oral dose of ethanolic extract of mulberry leaves (200 mg/kg b.wt.) for the same period, (4) irradiated group rats were subjected to whole body gamma irradiation at a shot dose of 7 Gy, (5) low dose of extract + irradiated group treated daily with low oral dose of ethanolic extract of mulberry leaves (100 mg/kg b.wt.) for 21 consecutive days then rats were exposed to gamma irradiation at a single dose of 7 Gy, (6) high dose of extract + irradiation group treated daily with high oral dose of ethanolic extract of mulberry leaves (200 mg/kg b.wt.) for 21 consecutive days then rats were exposed to gamma irradiation at a single dose of 7 Gy. Rats were sacrificed 1, 7, 15 days post gamma irradiation in all groups. Blood samples were taken at three intervals time in the six groups. RESULTS The results showed that whole body irradiation of rats induced significant decrease (p < 0.05) in red blood cells (RBCs), hemoglobin (Hb), hematocrit percentage (HCT%), platelet, white blood cells (WBCs), lymphocytes, neutrophils, serum glucose-6-phosphate dehydrogenase (G-6-PD) and insulin. The data also showed significant increase (p < 0.05) in serum total lipids, phospholipids, cholesterol, triglycerides, lactate dehydrogenase (LDH), creatine kinase (CK), and plasma glucose. Administration of mulberry leaves extract, either low or high concentrations to rats prior to irradiation caused significant improvement in the studied parameters. CONCLUSIONS Mulberry leaves extract prior to exposure to gamma irradiation has radio protector against hazardous effect of irradiation in male rats.
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Affiliation(s)
- Naglaa Elshahat Mohamed
- a Department of Biological Applications , Nuclear Research Center , Abou Zaabel , Qalyubia , Egypt
| | - Saleh E Ashour
- b Hot Labs Centre , Atomic Energy Authority , Abou Zaabel , Qalyubia , Egypt
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Rashad H, Metwally FM, Ezzat SM, Salama MM, Hasheesh A, Abdel Motaal A. Randomized double-blinded pilot clinical study of the antidiabetic activity of Balanites aegyptiaca and UPLC-ESI-MS/MS identification of its metabolites. PHARMACEUTICAL BIOLOGY 2017; 55:1954-1961. [PMID: 28724331 PMCID: PMC6130648 DOI: 10.1080/13880209.2017.1354388] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Accepted: 07/08/2017] [Indexed: 06/07/2023]
Abstract
CONTEXT Balanites aegyptiaca Del. (Zygophyllaceae) fruits are traditionally known for the treatment of hyperglycaemia. Several in vitro and in vivo studies proposed some mechanisms of action. However, clinical trials in human beings were never reported to date. OBJECTIVES To investigate the antidiabetic efficacy of the 70% ethanol extract of the pericarps of B. aegyptiaca (BE) within a nutritional intervention in elderly people. MATERIALS AND METHODS Ultra-performance electrospray ionization-mass spectroscopy (UPLC-ESI-MS/MS) analysis was used for metabolic profiling of BE which was incorporated in hard gelatine capsules (400 mg/day) and tested on 30 type 2 diabetes (T2D) Egyptian patients for 8 weeks. According to sex, age and body mass index participants were divided into two equivalent groups, placebo and treatment. RESULTS Thirteen compounds were identified in BE using UPLC-ESI-MS/MS analysis among which five steroidal saponins, seven phenolic compounds and a sterol glucoside. At the end of the 8-week treatment, the treated group showed 26.88% decrease in 2 h postprandial plasma glucose relative to 2.6% increase in the placebo group, while fasting plasma glucose was reduced to 10.3%. Treatment with BE capsules for 8 weeks produced significant reduction in the plasma triglyceride, total cholesterol and low-density lipoprotein cholesterol by 9.0, 12.76 and 21.35%, respectively, with 29.8% increase in the high-density lipoprotein cholesterol. Plasma alanine transaminase and aspartate transaminase were reduced by 42.6 and 43.3%, respectively. DISCUSSION AND CONCLUSION Administration of the BE capsules to T2D resulted in significant improvements in the glycaemic markers and the lipid profile, without adverse effects or hypoglycaemia.
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Affiliation(s)
- Hend Rashad
- a Department of Environmental and Occupational Medicine , National Research Center , Dokki , Egypt
| | - Fateheya M Metwally
- a Department of Environmental and Occupational Medicine , National Research Center , Dokki , Egypt
| | - Shahira M Ezzat
- b Department of Pharmacognosy, Faculty of Pharmacy , Cairo University , Giza , Egypt
| | - Maha M Salama
- b Department of Pharmacognosy, Faculty of Pharmacy , Cairo University , Giza , Egypt
| | - Adel Hasheesh
- c Department of Research on children with special needs , National Research Center , Dokki , Egypt
| | - Amira Abdel Motaal
- b Department of Pharmacognosy, Faculty of Pharmacy , Cairo University , Giza , Egypt
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Wadhawan S, Tripathi J, Gautam S. In vitro
regulation of enzymatic release of glucose and its uptake by Fenugreek microgreen and Mint leaf extract. Int J Food Sci Technol 2017. [DOI: 10.1111/ijfs.13588] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Surbhi Wadhawan
- Food Technology Division; Bhabha Atomic Research Centre; Mumbai 400085 India
| | - Jyoti Tripathi
- Food Technology Division; Bhabha Atomic Research Centre; Mumbai 400085 India
| | - Satyendra Gautam
- Food Technology Division; Bhabha Atomic Research Centre; Mumbai 400085 India
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20
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Analysis and identification of chemical constituents of fenugreek by UPLC-IT-MS
n
and UPLC-Q-TOF-MS. Chem Res Chin Univ 2017. [DOI: 10.1007/s40242-017-7136-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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21
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Mohamadi N, Sharififar F, Pournamdari M, Ansari M. A Review on Biosynthesis, Analytical Techniques, and Pharmacological Activities of Trigonelline as a Plant Alkaloid. J Diet Suppl 2017; 15:207-222. [DOI: 10.1080/19390211.2017.1329244] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Neda Mohamadi
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Fariba Sharififar
- Herbal and Traditional Medicines Research Center, Department of Pharmacognosy, Kerman University of Medical Sciences, Kerman, Iran
| | - Mostafa Pournamdari
- Medicinal Chemistry Department, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Mehdi Ansari
- Department of Pharmaceutics, Faculty of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
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22
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Kan J, Velliquette RA, Grann K, Burns CR, Scholten J, Tian F, Zhang Q, Gui M. A novel botanical formula prevents diabetes by improving insulin resistance. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 17:352. [PMID: 28679380 PMCID: PMC5499036 DOI: 10.1186/s12906-017-1848-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2017] [Accepted: 06/20/2017] [Indexed: 12/29/2022]
Abstract
Background Type 2 diabetes mellitus (T2DM) is a major risk factor for cardiovascular disease, and the prevalence has increased significantly in recent decades to epidemic proportions in China. Individually, fenugreek (Trigonella foenum graecum) seed, mulberry (Morus alba L.) leaf and American ginseng (Panax quinquefolius) root can improve glycemia in various animal models and humans with impaired glucose metabolism and T2DM. The aim of this study was to design an optimized botanical formula containing these herbal extracts as a nutritional strategy for the prevention of insulin resistance and T2DM. Methods Cell-free α-amylase and α-glucosidase enzyme assays were used to determine inhibitory potential of extracts. Glucose uptake was examined in differentiated human adipocytes using radiolabeled 2-deoxyglucose. Male Sprague Dawley rats were divided and glycemia balanced into 5 groups: two controls (naïve and model) and three doses of the botanical test formula containing standardized fenugreek seed, mulberry leaf and American ginseng extracts (42.33, 84.66 and 169.33 mg/kg BW). Insulin resistance and T2DM was induced by feeding animals a high fat diet and with an alloxan injection. Glucose tolerance was examined by measuring serum glucose levels following an oral glucose load. Results Fenugreek seed and mulberry leaf dose dependently inhibited α-amylase (IC50 = 73.2 μg/mL) and α-glucosidase (IC50 = 111.8 ng/mL), respectively. All three botanical extracts improved insulin sensitivity and glucose uptake in human adipocytes, which lead to the design of an optimized botanical test formula. In a rat model of insulin resistance and T2DM, the optimized botanical test formula improved fasting serum glucose levels, fasting insulin resistance and the development of impaired glucose tolerance. The reduction in epididymal adipose tissue GLUT4 and PDK1 expression induced by high fat diet and alloxan was blunted by the botanical test formula. Conclusions A novel botanical formula containing standardized extracts of mulberry leaf, fenugreek seed and American ginseng at a ratio of 1:1.3:3.4 prevented the development of insulin resistance, impaired glucose tolerance and T2DM. Given the rising need for effective non-drug targeting of insulin resistance and progression to T2DM, complementary and alternative nutritional strategies without intolerable side effects could have meaningful impact on metabolic health and diabetes risks.
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Metabolite profiling in Trigonella seeds via UPLC-MS and GC-MS analyzed using multivariate data analyses. Anal Bioanal Chem 2016; 408:8065-8078. [DOI: 10.1007/s00216-016-9910-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2016] [Revised: 08/14/2016] [Accepted: 08/26/2016] [Indexed: 01/17/2023]
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24
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Abou Khalil NS, Abou-Elhamd AS, Wasfy SIA, El Mileegy IMH, Hamed MY, Ageely HM. Antidiabetic and Antioxidant Impacts of Desert Date (Balanites aegyptiaca) and Parsley (Petroselinum sativum) Aqueous Extracts: Lessons from Experimental Rats. J Diabetes Res 2016; 2016:8408326. [PMID: 27019854 PMCID: PMC4785268 DOI: 10.1155/2016/8408326] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 01/05/2016] [Accepted: 01/20/2016] [Indexed: 01/23/2023] Open
Abstract
Medicinal plants are effective in controlling plasma glucose level with minimal side effects and are commonly used in developing countries as an alternative therapy for the treatment of type 1 diabetes mellitus. The aim of this study is to evaluate the potential antidiabetic and antioxidant impacts of Balanites aegyptiaca and Petroselinum sativum extracts on streptozotocin-induced diabetic and normal rats. The influences of these extracts on body weight, plasma glucose, insulin, total antioxidant capacity (TAC), malondialdehyde (MDA) levels, and liver-pyruvate kinase (L-PK) levels were assessed. Furthermore, the weight and histomorphological changes of the pancreas were studied in the different experimental groups. The herbal preparations significantly reduced the mean plasma glucose and MDA levels and significantly increased the mean plasma insulin, L-PK, and TAC levels in the treated diabetic groups compared to the diabetic control group. An obvious increase in the weight of the pancreas and the size of the islets of Langerhans and improvement in the histoarchitecture were evident in the treated groups compared to untreated ones. In conclusion, the present study provides a scientific evidence for the traditional use of these extracts as antidiabetic and antioxidant agents in type 1 diabetes mellitus.
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Affiliation(s)
- Nasser S. Abou Khalil
- Department of Physiology, Faculty of Medicine, Assiut University, Assiut 71526, Egypt
| | - Alaa S. Abou-Elhamd
- Department of Anatomy and Histology, Faculty of Veterinary Medicine, Assiut University, Assiut 71526, Egypt
| | - Salwa I. A. Wasfy
- Department of Physiology, Faculty of Medicine, Assiut University, Assiut 71526, Egypt
| | | | - Mohamed Y. Hamed
- Department of Physiology, Faculty of Medicine, Assiut University, Assiut 71526, Egypt
| | - Hussein M. Ageely
- Department of Internal Medicine, Faculty of Medicine, Jazan University, Jazan 82621, Saudi Arabia
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Goyal S, Gupta N, Chatterjee S. Investigating Therapeutic Potential of Trigonella foenum-graecum L. as Our Defense Mechanism against Several Human Diseases. J Toxicol 2016; 2016:1250387. [PMID: 26884758 PMCID: PMC4739449 DOI: 10.1155/2016/1250387] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Accepted: 12/14/2015] [Indexed: 11/25/2022] Open
Abstract
Current lifestyle, stress, and pollution have dramatically enhanced the progression of several diseases in human. Globally, scientists are looking for therapeutic agents that can either cure or delay the onset of diseases. Medicinal plants from time immemorial have been used frequently in therapeutics. Of many such plants, fenugreek is one of the oldest herbs which have been identified as an important medicinal plant by the researchers around the world. It is potentially beneficial in a number of diseases such as diabetes, hypercholesterolemia, and inflammation and probably in several kinds of cancers. It has industrial applications such as synthesis of steroidal hormones. Its medicinal properties and their role in clinical domain can be attributed to its chemical constituents. The 3 major chemical constituents which have been identified as responsible for principle health effects are galactomannan, 4-OH isoleucine, and steroidal saponin. Numerous experiments have been carried out in vivo and in vitro for beneficial effects of both the crude chemical and of its active constituent. Due to its role in health care, the functional food industry has referred to it as a potential nutraceutical. This paper is about various medicinal benefits of fenugreek and its potential application as therapeutic agent against several diseases.
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Affiliation(s)
- Shivangi Goyal
- Department of Biotechnology, The IIS University, Gurukul Marg, SFS, Mansarovar, Jaipur, Rajasthan 302020, India
| | - Nidhi Gupta
- Department of Biotechnology, The IIS University, Gurukul Marg, SFS, Mansarovar, Jaipur, Rajasthan 302020, India
| | - Sreemoyee Chatterjee
- Department of Biotechnology, The IIS University, Gurukul Marg, SFS, Mansarovar, Jaipur, Rajasthan 302020, India
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Arshadi S, Azarbayjani MA, Hajaghaalipor F, Yusof A, Peeri M, Bakhtiyari S, Stannard RS, Osman NAA, Dehghan F. Evaluation of Trigonella foenum-graecum extract in combination with swimming exercise compared to glibenclamide consumption on type 2 Diabetic rodents. Food Nutr Res 2015; 59:29717. [PMID: 26699937 PMCID: PMC4689800 DOI: 10.3402/fnr.v59.29717] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Revised: 11/30/2015] [Accepted: 12/01/2015] [Indexed: 12/31/2022] Open
Abstract
Background/objective The purpose of the present study was to evaluate the effect of fenugreek seed extract in combination with swimming exercise compared to glibenclamide consumption on type 2 diabetic rats. Design The acute toxicity test was carried out to choose the safe doses and identify the toxicity effects of the fenugreek seed extract. To investigate the hypoglycemic effect of the extract and its effect in combination with swimming training, 80 Wistar Kyoto male streptozotocin-induced diabetic rats were divided randomly into eight groups: diabetic control (C); fenugreek seed extract 0.8 g/kg (F1); fenugreek extract 1.6 g/kg (F2); swimming training (S); swimming training plus fenugreek extract 0.8 g/kg (SF1); swimming training plus fenugreek extract 1.6 g/kg (SF2); glibenclamide (G) and swimming training plus glibenclamide (SG). The rats were orally administrated with the treatments once a day with the respective treatment, and the training groups were subjected to swimming training every day for 60 min. Fasting blood samples were collected to measure fasting blood glucose, lipid profile, adiponectin, leptin, and insulin concentrations. Results The results obtained from acute toxicity study showed no toxicity effect of fenugreek seed extract on the tested dose. Biochemical analysis showed significant improvements in all of the groups compared to the control group (p<0.05). Plasma insulin concentration and insulin resistance (HOMA-IR) was significantly reduced in treated groups compared with the diabetic control group. Plasma leptin were significantly decreased in treated groups compared with the control group; while adiponectin had markedly increased (p<0.05). Conclusion The findings suggest that fenugreek seed consuming, alongside swimming exercise, has a strong therapeutic effect on the improvement of diabetic parameters.
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Affiliation(s)
- Sajad Arshadi
- Exercise Physiology Department, Faculty of Physical Education, Islamic Azad University South Tehran Branch, Tehran, Iran
| | | | - Fatemeh Hajaghaalipor
- Department of Molecular Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Ashril Yusof
- Department of Exercise Science, Sports Centre, University of Malaya, Kuala Lumpur, Malaysia
| | - Maghsoud Peeri
- Exercise Physiology Department, Islamic Azad University Central Tehran Branch, Tehran, Iran
| | - Salar Bakhtiyari
- Department of Clinical Biochemistry, Faculty of Medicine, Ilam University of Medical Sciences, Ilam, Iran
| | - Robert S Stannard
- School of Sport and Exercise, Massey University, Palmerston North, New Zealand
| | - Noor Azuan Abu Osman
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia
| | - Firouzeh Dehghan
- Department of Exercise Science, Sports Centre, University of Malaya, Kuala Lumpur, Malaysia;
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Farag MA, Porzel A, Wessjohann LA. Unraveling the active hypoglycemic agent trigonelline in Balanites aegyptiaca date fruit using metabolite fingerprinting by NMR. J Pharm Biomed Anal 2015; 115:383-7. [DOI: 10.1016/j.jpba.2015.08.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Revised: 07/30/2015] [Accepted: 08/01/2015] [Indexed: 10/23/2022]
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Anani K, Adjrah Y, Ameyapoh Y, Karou SD, Agbonon A, de Souza C, Gbeassor M. Effects of hydroethanolic extracts of Balanites aegyptiaca (L.) Delile (Balanitaceae) on some resistant pathogens bacteria isolated from wounds. JOURNAL OF ETHNOPHARMACOLOGY 2015; 164:16-21. [PMID: 25666430 DOI: 10.1016/j.jep.2015.01.051] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2014] [Revised: 01/27/2015] [Accepted: 01/29/2015] [Indexed: 06/04/2023]
Abstract
BACKGROUND The bark of Balanites aegyptiaca (L.) Delile (Balanitaceae) is widely used in the Togolese folk medicine for the treatment of wounds, malaria and skin diseases. This study aimed to evaluate the antioxidant properties and the activity of the bark extract of this plant against some resistant bacteria isolated from wounds. MATERIALS AND METHODS The antimicrobial activity was assayed using the NCCLS microdilution while the DPPH free radical scavenging and ferric reducing antioxidant power (FRAP) were used for the antioxidant activity. The susceptibility to conventional antibiotics of bacteria was assessed by an agar disk diffusion method using commercial disk. Phenolics were quantified using spectrophotometric methods. RESULTS The hydroethanolic extracts of the bark inhibited in vitro the growth of Pseudomonas aeruginosa and Staphylococcus aureus in a dose-dependent manner. Bacteriostatic effects were observed on 15 (33%) and 21 (47%) strains of Staphylococcus aureus and Pseudomonas aeruginosa respectively. The MICs and MBCs against Staphylococcus aureus strains ranged respectively from 2.5 to 12.5 µg/mL and 2.5 to 50 µg/mL. Concerning Pseudomonas aeruginosa, these values were equal (12.5 µg/mL). Multidrug resistance was 95% against six antibiotics for Pseudomonas aeruginosa and 91% against five antibiotics for Staphylococcus aureus. The DPPH radical scavenging and the FRAP assays yielded weak antioxidant activity, closely linked with the total phenolic contents. CONCLUSION This study indicated that the bark extract of Balanites aegyptiaca possess bioactive compounds implicated in the free radical scavenging and antibacterial activities, justifying the use of the plant in the traditional medicines.
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Affiliation(s)
- Kokou Anani
- Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires, Ecole Supérieure des Techniques Biologiques et Alimentaires - Université de Lomé, B.P. 1515 Lomé, Togo; Centre de Formation et de Recherche sur les Plantes Médicinales (CERFOPLAM), Université de Lomé, Togo; Centre de Recherche en Agriculture Biologique et Substances Naturelles (CRABISNA), Lomé,Togo
| | - Yao Adjrah
- Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires, Ecole Supérieure des Techniques Biologiques et Alimentaires - Université de Lomé, B.P. 1515 Lomé, Togo; Centre de Formation et de Recherche sur les Plantes Médicinales (CERFOPLAM), Université de Lomé, Togo; Centre de Recherche en Agriculture Biologique et Substances Naturelles (CRABISNA), Lomé,Togo.
| | - Yaovi Ameyapoh
- Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires, Ecole Supérieure des Techniques Biologiques et Alimentaires - Université de Lomé, B.P. 1515 Lomé, Togo; Centre de Formation et de Recherche sur les Plantes Médicinales (CERFOPLAM), Université de Lomé, Togo
| | - Simplice Damintoti Karou
- Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires, Ecole Supérieure des Techniques Biologiques et Alimentaires - Université de Lomé, B.P. 1515 Lomé, Togo; Centre de Formation et de Recherche sur les Plantes Médicinales (CERFOPLAM), Université de Lomé, Togo; Centre de Recherche en Agriculture Biologique et Substances Naturelles (CRABISNA), Lomé,Togo
| | - Amegnona Agbonon
- Laboratoire de Physiologie et de Pharmacologie, Faculté des Sciences - Université de Lomé, BP. 1515 Lomé, Togo; Centre de Formation et de Recherche sur les Plantes Médicinales (CERFOPLAM), Université de Lomé, Togo
| | - Comlan de Souza
- Laboratoire de Microbiologie et de Contrôle de Qualité des Denrées Alimentaires, Ecole Supérieure des Techniques Biologiques et Alimentaires - Université de Lomé, B.P. 1515 Lomé, Togo; Centre de Formation et de Recherche sur les Plantes Médicinales (CERFOPLAM), Université de Lomé, Togo
| | - Messanvi Gbeassor
- Laboratoire de Physiologie et de Pharmacologie, Faculté des Sciences - Université de Lomé, BP. 1515 Lomé, Togo; Centre de Formation et de Recherche sur les Plantes Médicinales (CERFOPLAM), Université de Lomé, Togo
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de Gouveia NM, Alves FV, Furtado FB, Scherer DL, Mundim AV, Espindola FS. An in vitro and in vivo study of the α-amylase activity of phaseolamin. J Med Food 2014; 17:915-20. [PMID: 24650210 DOI: 10.1089/jmf.2013.0044] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
We evaluated the polypeptide profiles, inhibition of human salivary α-amylase activity, and hemagglutination properties of a commercial phaseolamin sample. We also performed an in vivo assay to investigate the effects of a commercial phaseolamin treatment (100, 500, or 1500 mg/kg) over 20 days on the glycemia, body weight, and serum biochemical parameters (total cholesterol, triglycerides, alanine aminotransferase, and aspartate aminotransferase) of nondiabetic and streptozotocin-induced diabetic rats. The in vitro evaluation showed defined protein profiles, low hemagglutination activity, and high α-amylase inhibition. None of the experimental groups treated with phaseolamin or acarbose showed decreases in body weight. Our data demonstrate that phaseolamin inhibits amylase activity in vitro, reduces blood glucose levels, decreases or attenuates some of the renal and hepatic effects of diabetes in streptozotocin-induced rats, and could therefore have therapeutic potential in the treatment or prevention of the complications of diabetes.
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Affiliation(s)
- Neire Moura de Gouveia
- 1 Institute of Genetics and Biochemistry, Federal University of Uberlandia , Uberlandia, Brazil
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GOUVEIA NEIREMDE, ALBUQUERQUE CIBELELDE, ESPINDOLA LAILAS, ESPINDOLA FOUEDS. Pouteria ramiflora extract inhibits salivary amylolytic activity and decreases glycemic level in mice. AN ACAD BRAS CIENC 2013; 85:1141-8. [DOI: 10.1590/s0001-37652013000300016] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2012] [Accepted: 02/27/2013] [Indexed: 12/12/2022] Open
Abstract
In this study, extracts of plant species from the Cerrado biome were assessed in order to find potential inhibitors of human salivary alpha-amylase. The plants were collected and extracts were obtained from leaves, bark, and roots. We performed a preliminary phytochemical analysis and a screening for salivar alpha-amylase inhibitory activity. Only three botanical families (Sapotaceae, Sapindaceae and Flacourtiaceae) and 16 extracts showed a substantial inhibition (>75%) of alpha-amylase. The ethanolic extracts of Pouteria ramiflora obtained from stem barks and root barks decreased amylolytic activity above 95% at a final concentration of 20 µg/mL. Thus, adult male Swiss mice were treated orally with P. ramiflora in acute toxicity and glycemic control studies. Daily administration with 25, 50 and 100 mg/kg of aqueous extract of P. ramiflora for eight days can reduce significantly body weight and blood glucose level in mice. These data suggest that the crude polar extract of P. ramiflora decreases salivary amylolytic activity while lowering the blood levels of glucose.
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Herbal medicines for the management of diabetes. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2013; 771:396-413. [PMID: 23393692 DOI: 10.1007/978-1-4614-5441-0_28] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Herbal medicines have been used in the management of diabetes in traditional medicine. This chapter reviews recent findings of the most popular herbs reported to treat diabetes through their relevant mechanistic pathways. These include increased insulin secretion, improvement in insulin sensitivity, enhanced glucose uptake by adipose and muscle tissues, inhibition of glucose absorption from intestine, inhibition of glucose production from hepatocytes and anti-inflammatory activities. The pharmacological activities have highlighted the potential efficacy of these herbal medicines in the management of diabetes.
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Hamza N, Berke B, Cheze C, Le Garrec R, Umar A, Agli AN, Lassalle R, Jové J, Gin H, Moore N. Preventive and curative effect of Trigonella foenum-graecum L. seeds in C57BL/6J models of type 2 diabetes induced by high-fat diet. JOURNAL OF ETHNOPHARMACOLOGY 2012; 142:516-22. [PMID: 22633967 DOI: 10.1016/j.jep.2012.05.028] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2012] [Revised: 05/09/2012] [Accepted: 05/15/2012] [Indexed: 05/22/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Trigonella foenum-graecum L. (TFG) is traditionally used to treat diabetes in North Africa. we therefore tested the effects of the hydro-alcoholic extract of TFG seeds in a C57/BL6J mouse model of diabetes induced by a standardised high-fat diet (HFD). MATERIALS AND METHODS Plant extracts (2 g/kg daily) were administered orally by gavage at the start of HFD, or after confirmation of established diabetes (17th week), for 20 or 18 weeks, respectively, to male C57BL/6J mice. Animals were weighed; food intake and plasma glucose, lipid profile, insulin and insulin resistance were measured. RESULTS TFG extracts opposed the development of diabetes: compared with untreated HFD mice, TFG-treated HFD mice had lower mean (± SD) plasma glucose (129.3 ± 39.4 vs. 183.1 ± 19.1mg/dL, p<0.05), plasma insulin (1.3 ± 0.8 vs. 3.1 ± 1.8 ng/mL, p<0.05) and triglycerides (18.9 ± 12.9 vs. 48.9 ± 12.1mg/dL, p<0.05), and less insulin resistance as estimated by the homeostasis model assessment (HOMA: 9.7 ± 11.1 vs. 38.3 ± 26.6, p<0.05). In mice with established diabetes, TFG reduced fasting plasma glucose (170.4 ± 24.1 vs. 229.0 ± 20.8 mg/dL, p<0.05), plasma insulin (1.7 ± 1.3 vs. 3.3 ± 14.3 ng/mL, p<0.05) and insulin resistance (HOMA: TFG: 19.2 ± 15.7 vs. HFD control: 38.5 ± 30.3, p<0.05). In addition, administration of TFG extract also caused significant reduction in triglycerides (17.9 ± 9.7 vs. 62.8 ± 18.3 mg/dL, p<0.05) and total cholesterol (1.30 ± 0.20 vs. 1.80 ± 1.10 g/L, p<0.05), and an increase in HDL-cholesterol (1.6 ± 0.2 vs. 1.2 ± 0.1 g/L). The plant extract had no effect on calorie intake or body weight. CONCLUSION TFG extract opposed the development of experimental HFD diabetes in mice, and had an anti-diabetic effect in mice with established diabetes.
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Affiliation(s)
- Nawel Hamza
- Département de Pharmacologie, Université Bordeaux Segalen, Bordeaux, France
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Muraki E, Chiba H, Taketani K, Hoshino S, Tsuge N, Tsunoda N, Kasono K. Fenugreek with reduced bitterness prevents diet-induced metabolic disorders in rats. Lipids Health Dis 2012; 11:58. [PMID: 22642742 PMCID: PMC3416582 DOI: 10.1186/1476-511x-11-58] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2012] [Accepted: 05/29/2012] [Indexed: 11/10/2022] Open
Abstract
Background Various therapeutic effects of fenugreek (Trigonella foenum-graecum L.) on metabolic disorders have been reported. However, the bitterness of fenugreek makes it hard for humans to eat sufficient doses of it for achieving therapeutic effects. Fenugreek contains bitter saponins such as protodioscin. Fenugreek with reduced bitterness (FRB) is prepared by treating fenugreek with beta-glucosidase. This study has been undertaken to evaluate the effects of FRB on metabolic disorders in rats. Methods Forty Sprague–Dawley rats were fed with high-fat high-sucrose (HFS) diet for 12 week to induce mild glucose and lipid disorders. Afterwards, the rats were divided into 5 groups. In the experiment 1, each group (n = 8) was fed with HFS, or HFS containing 2.4% fenugreek, or HFS containing 1.2%, 2.4% and 4.8% FRB, respectively, for 12 week. In the experiment 2, we examined the effects of lower doses of FRB (0.12%, 0.24% and 1.2%) under the same protocol (n = 7 in each groups). Results In the experiment 1, FRB dose-dependently reduced food intake, body weight gain, epididymal white adipose tissue (EWAT) and soleus muscle weight. FRB also lowered plasma and hepatic lipid levels and increased fecal lipid levels, both dose-dependently. The Plasma total cholesterol levels (mmol/L) in the three FRB and Ctrl groups were 1.58 ± 0.09, 1.45 ± 0.05*, 1.29 ± 0.07* and 2.00 ± 0.18, respectively (*; P < 0.05 vs. Ctrl). The Hepatic total cholesterol levels (mmol/g liver) were 0.116 ± 0.011, 0.112 ± 0.006, 0.099 ± 0.007* and 0.144 ± 0.012, respectively (*; P < 0.05 vs. Ctrl). The calculated homeostasis model assessment as an index of insulin resistance (HOMA-IR) indicated 0.52 ± 0.04*, 0.47 ± 0.06*, 0.45 ± 0.05* and 1.10 ± 0.16, respectively (*; P < 0.05 vs. Ctrl). None of the FRB groups showed any adverse effect on the liver, kidney or hematological functions. In the experiment 2, no significant difference of food intake was observed, while the 1.2% FRB group alone showed nearly the same effects on glucose and lipid metabolism as in the experiment 1. Conclusions Thus we have demonstrated that FRB (1.2 ~ 4.8%) prevents diet-induced metabolic disorders such as insulin resistance, dyslipidemia and fatty liver.
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Affiliation(s)
- Etsuko Muraki
- Department of Clinical Dietetics & Human Nutrition, Faculty of Pharmaceutical Sciences, Josai University, Saitama, 350-0295, Japan.
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Jungbauer A, Medjakovic S. Anti-inflammatory properties of culinary herbs and spices that ameliorate the effects of metabolic syndrome. Maturitas 2012; 71:227-39. [DOI: 10.1016/j.maturitas.2011.12.009] [Citation(s) in RCA: 83] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2011] [Revised: 12/09/2011] [Accepted: 12/10/2011] [Indexed: 01/07/2023]
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Etxeberria U, de la Garza AL, Campión J, Martínez JA, Milagro FI. Antidiabetic effects of natural plant extracts via inhibition of carbohydrate hydrolysis enzymes with emphasis on pancreatic alpha amylase. Expert Opin Ther Targets 2012; 16:269-97. [PMID: 22360606 DOI: 10.1517/14728222.2012.664134] [Citation(s) in RCA: 228] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
INTRODUCTION The increasing prevalence of type 2 diabetes mellitus and the negative clinical outcomes observed with the commercially available anti-diabetic drugs have led to the investigation of new therapeutic approaches focused on controlling postprandrial glucose levels. The use of carbohydrate digestive enzyme inhibitors from natural resources could be a possible strategy to block dietary carbohydrate absorption with less adverse effects than synthetic drugs. AREAS COVERED This review covers the latest evidence regarding in vitro and in vivo studies in relation to pancreatic alpha-amylase inhibitors of plant origin, and presents bioactive compounds of phenolic nature that exhibit anti-amylase activity. EXPERT OPINION Pancreatic alpha-amylase inhibitors from traditional plant extracts are a promising tool for diabetes treatment. Many studies have confirmed the alpha-amylase inhibitory activity of plants and their bioactive compounds in vitro, but few studies corroborate these findings in rodents and very few in humans. Thus, despite some encouraging results, more research is required for developing a valuable anti-diabetic therapy using pancreatic alpha-amylase inhibitors of plant origin.
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Affiliation(s)
- Usune Etxeberria
- University of Navarra, Department of Nutrition, Food Science, Physiology and Toxicology, C/Irunlarrea, 1 31008, Pamplona, Spain
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Muraki E, Hayashi Y, Chiba H, Tsunoda N, Kasono K. Dose-dependent effects, safety and tolerability of fenugreek in diet-induced metabolic disorders in rats. Lipids Health Dis 2011; 10:240. [PMID: 22188728 PMCID: PMC3292492 DOI: 10.1186/1476-511x-10-240] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2011] [Accepted: 12/21/2011] [Indexed: 02/01/2023] Open
Abstract
Background We previously reported that fenugreek (Trigonella foenum-graecum L.) improved diet-induced metabolic disorders in rats. The purpose of the present study was to examine the dose-dependent effects, safety and tolerability of fenugreek. Methods The diets used in this study were the high-fat high-sucrose diet (HFS; lard 50%kcal, sucrose 25%kcal) as a control (Ctrl group) or the HFS containing 0.25% (VL group), 1.25% (L group), 2.50% (M group), 5.00% (H group) or 12.30% (VH group) fenugreek based on the modified version of the AIN-93G purified diet. Results Fenugreek dose-dependently reduced the hepatic triglyceride and total cholesterol levels. Fenugreek also dose-dependently increased the excretion of cholesterol and total bile acids into the feces. However, the glucose tolerance showed no significant change by fenugreek administration. The VL and L groups did not significantly change triglyceride or total cholesterol levels in the liver. The VL group showed no increase in excretion of triglyceride, total cholesterol or bile acids in the feces. The VH group showed appetite reduction and diarrhea, while no adverse effect or symptoms were observed in the M group. Conclusion These results suggest that fenugreek inhibited lipid accumulation in the liver by increasing the lipid excretion in the feces. The effective, safe and tolerable dose of fenugreek was found to be around 2.50% (w/w).
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Affiliation(s)
- Etsuko Muraki
- Department of Clinical Dietetics & Human Nutrition, Josai University, Saitama, Japan.
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Anti-metabolic syndrome and immunostimulant activities of Egyptian fenugreek seeds in diabetic/obese and immunosuppressive rat models. Br J Nutr 2010; 105:995-1004. [PMID: 21205429 DOI: 10.1017/s0007114510004708] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Preliminary trials have suggested possible hypoglycaemic, hypolipidaemic and immunomodulatory properties of the fenugreek plant. Here, we evaluated and compared the efficacy of Egyptian fenugreek seed powder (FSP, 0·5 and 1·0 g/kg body weight) in alleviating the experimentally induced metabolic syndrome (in type 1 diabetic and obese rat models) and experimentally induced immunosuppression and delay in burn-healing (in cyclophosphamide (CP)-treated rats). FSP significantly alleviated (P < 0·05-0·001) most signs of the metabolic syndrome resulting from experimentally induced type 1 diabetes and obesity by 40-76 and 56-78 %, respectively, including hyperglycaemia, hyperlipidaemia, elevation in atherogenic indices, impairment of liver functions, severe changes in body weight and oxidative stress. Besides, FSP (especially the high dose) completely modulated the immunosuppressive activity of CP including leucopenia (resulting from neutropenia and lymphopenia), decrease in weights and cellularity of lymphoid organs, serum γ-globulin level, delayed type of hypersensitivity response and delay in the skin-burning healing process. FSP decreased the immunosuppressive activity of CP by 57-108 %. These beneficial effects of FSP were dose dependent in most cases, and FSP doses used here were considered safe in general. FSP was more efficient in alleviating the signs of the metabolic syndrome in the obese animals (over 9 %) than in the type 1 diabetic animals. Moreover, the immunostimulant activity of fenugreek seeds exceeded their anti-metabolic syndrome activity by 15-24 %. In conclusion, fenugreek seeds may be useful not only as a dietary adjunct for the control of the metabolic syndrome in diabetic/obese patients, but also as an immunostimulant in immunocompromised patients such as those under chemotherapeutic interventions.
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Ibrahim M. Molecular spectroscopic study of acid treated fenugreek seeds. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2010; 77:1034-1038. [PMID: 20863749 DOI: 10.1016/j.saa.2010.08.067] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2010] [Revised: 07/31/2010] [Accepted: 08/26/2010] [Indexed: 05/29/2023]
Abstract
Fenugreek seeds were subjected to acid treatment in order to activate its surface. XRF indicated that there was no change in the level of metals and metal oxides as a result of the treatment. FTIR of the treated fenugreek showed no change in the characteristic bands and/or structure of the fenugreek. A shift in both OH and metal oxide bands suggest a role for metal, hydrated metal and metal oxide in fenugreek seed. Molecular modeling suggests that metal oxides such as Al16O24 offer its surface for the adsorption of gases. The interaction of gases with metal oxide is depending on the type of gas rather than the type of coordination. Finally results indicate that fenugreek could be used safely to control the level of gases in stomach.
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Affiliation(s)
- Medhat Ibrahim
- Spectroscopy Department, National Research Centre, 12311 Dokki, Cairo, Egypt.
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Gupta SK, Kalaiselvan V, Srivastava S, Saxena R, Agrawal SS. Trigonella foenum-graecum (Fenugreek) protects against selenite-induced oxidative stress in experimental cataractogenesis. Biol Trace Elem Res 2010; 136:258-68. [PMID: 19823776 DOI: 10.1007/s12011-009-8540-5] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2009] [Accepted: 09/30/2009] [Indexed: 11/26/2022]
Abstract
Cataract is the opacification in eye lens and leads to 50% of blindness worldwide. The present study was undertaken to evaluate the anticataract potential of Trigonella foenum-graecum Linn seeds (fenugreek) in selenite-induced in vitro and in vivo cataract. In vitro enucleated rat lenses were maintained in organ culture containing Dulbecco's modified Eagles medium (DMEM) alone or in addition with 100 microM selenite and served as the normal and control groups, respectively. For the test group, the medium was supplemented with selenite and T. foenum-graecum aqueous extract. The lenses were incubated for 24 h at 37 degrees C. After incubation, the lenses were processed for the estimation of reduced glutathione (GSH), lipid peroxidation product (malondialdehyde), and the antioxidant enzymes. In vivo selenite cataract was induced in 9-day-old rats by subcutaneous injection of sodium selenite (25 micromol/kg body weight). Animals in the test group were injected with different doses of aqueous extract of T. foenum-graecum 4 h before the selenite challenge. A fall in GSH and a rise in malondialdehyde levels were observed in control as compared to normal lenses. T. foenum-graecum significantly (P < 0.01) restored glutathione and decreased malondialdehyde levels. A significant restoration in the activities of antioxidant enzymes such as superoxide dismutase (P < 0.01), catalase, (P < 0.01), glutathione peroxidase (P < 0.01), and glutathione-S-transferase (P < 0.01) was observed in the T. foenum-graecum supplemented group as compared to control. In vivo, none of the eyes was found with nuclear cataract in treated group as opposed to 72.5% in the control group. T. foenum-graecum protects against experimental cataract by virtue of its antioxidant properties. Further studies are warranted to explore its role in human cataract.
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Affiliation(s)
- Suresh K Gupta
- Department of Ocular Pharmacology, Delhi Institute of Pharmaceutical Sciences and Research, Sector III, Pushp Vihar, New Delhi, 110017, India
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Shalaby MA, Moghazy FM, Shalaby HA, Nasr SM. Effect of methanolic extract of Balanites aegyptiaca fruits on enteral and parenteral stages of Trichinella spiralis in rats. Parasitol Res 2010; 107:17-25. [PMID: 20349194 DOI: 10.1007/s00436-010-1827-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2010] [Accepted: 03/03/2010] [Indexed: 11/24/2022]
Abstract
There is a considerable interest in developing new anthelmintic drugs including those from medicinal plants due to increasing evidence of parasitic resistance against present anthelmintic drugs and decreasing activity against encapsulated larval stages of parasites. This study was carried out to assess, for the first time, the effectiveness of methanolic extract of Balanites aegyptiaca (BAE) fruits against different stages (pre-adult, migrating larvae, and encysted larvae) of Trichinella spiralis in rats compared with commonly used anthelmintic albendazole. Oral administration of BAE at a dose of 1,000 mg/kg b.wt. for five successive days throughout the parasite life cycle led to a marked reduction of migrating and encysted larval rate by 81.7% and 61.7%, respectively, in the muscular tissue. This treatment was less effective against adults in the gut (47.8%). Albendazole treatment at a dose of 10 mg/kg b.wt. for five successive days resulted in a marked eradication of T. spiralis adult worms (94.4%) and less reduction of migrating and encysted larval infections of skeletal muscles (62.2% and 26.4%, respectively). BAE-treated groups showed marked decreases in serum-glucose levels, triglyceride concentrations, aspartate aminotransferase (AST), creatinine phosphokinase (CPK) activities, and lipid peroxide products (malondialdehyde, MDA) as well as an increase in glutathione level in both serum and muscular tissue compared to albendazole-treated- and infected-untreated groups. This result was confirmed by few numbers of living- and dead-encysted larvae and less destruction of the diaphragm and skeletal muscle tissues in BAE-treated groups compared to other treated groups. It can be concluded that the methanolic extract of B. aegyptiaca fruits has high effectiveness against parenteral stages of T. spiralis than albendazole. Albendazole is more effective against enteral stage of T. spiralis than the extract.
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Affiliation(s)
- Mostafa A Shalaby
- Pharmacology Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
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Al Ashaal HA, Farghaly AA, Abd El Aziz MM, Ali MA. Phytochemical investigation and medicinal evaluation of fixed oil of Balanites aegyptiaca fruits (Balantiaceae). JOURNAL OF ETHNOPHARMACOLOGY 2010; 127:495-501. [PMID: 19833185 DOI: 10.1016/j.jep.2009.10.007] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2009] [Revised: 10/04/2009] [Accepted: 10/06/2009] [Indexed: 05/28/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Balanites aegyptiaca (Balantiaceae), mainly the fruit, is used by traditional healers and herbalists for treating many diseases in Africa and Asia. AIM OF THE STUDY Investigation of fixed oil composition of fruits and evaluation of its biological activity. MATERIALS AND METHODS Oil content was identified using GC and GC/MS. In vitro examination of the oil biological activity (including cytotoxicity, antimutagenicity, antiparasitic, antiviral and antimicrobial activities) was performed. RESULTS The oil contained 54.53% unsaturated fatty acids and 1.14% sterols. The oil exhibited anticancer activity against lung, liver and brain human carcinoma cell lines. It also had antimutagenic activity against Fasciola gigantica induced mutagenicity besides anthelmintic activity against hepatic worms (Schistosoma mansoni and Fasciola gigantica). Preliminary screening showed that the oil had antiviral activity against Herpes simplex virus. It also had antimicrobial activity against selected strains of Gram-positive bacteria, Gram-negative bacteria and Candida. CONCLUSION The results showed remarkable biological activity of Balanites aegyptiaca fixed oil and proved its importance as natural bioactive source.
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Affiliation(s)
- Hanan A Al Ashaal
- Research of Drugs and Pharmaceutical Industries Division, National Research Center, Dokki, Egypt.
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Vijayakumar MV, Bhat MK. Hypoglycemic effect of a novel dialysed fenugreek seeds extract is sustainable and is mediated, in part, by the activation of hepatic enzymes. Phytother Res 2008; 22:500-5. [PMID: 18338783 DOI: 10.1002/ptr.2351] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A novel preparation of a dialysed aqueous extract of fenugreek seeds (FSE) that stimulates the insulin signalling pathway was reported previously (Vijayakumar et al., 2005). The present study was designed to investigate the long-term effects (multiple dose effect) of this FSE preparation on the blood glucose level and body weight, and a short-term effect (single dose effect) on serum insulin and hepatic enzymes, in experimentally induced diabetic conditions. The multiple dose effect of FSE on the glucose level and body weight was studied in alloxan (AXN)-diabetic mice in comparison with the vehicle treated control diabetic mice. Intraperitoneal (i.p.) administration of FSE (15 mg/kg body weight (BW)) for 5 consecutive days reduced hyperglycemia in AXN-diabetic mice on day 5 and this effect was further sustained for 10 days. The FSE-induced hypoglycemic effect was accompanied without any reduction in the body weight compared with the diabetic mice in which the body weight was reduced significantly. A single dose effect of FSE on hepatic glucokinase (GK) and hexokinase (HK) enzymes was studied in streptozotocin (STZ)-diabetic mice. Intraperitoneal administration of FSE (15 mg/kg BW) by 90 min decreased the blood glucose levels significantly (p < 0.01) in STZ-diabetic mice and the effect was comparable to that achieved by insulin (1.5 U/kg BW) injection. This effect was associated with a significant enhancement in the liver GK and HK activities on a par with that of insulin. In normal glucose loaded mice, FSE improved the intraperitoneal glucose tolerance accompanied by a reduction in serum insulin concentration. These results are indicative of an extra-pancreatic mode of action of FSE. The present study concludes that this novel FSE preparation corrects metabolic alterations associated with diabetes by exhibiting insulin-like properties and has a potential for clinical applications.
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Nakajima Y, Sato Y, Konishi T. Antioxidant small phenolic ingredients in Inonotus obliquus (persoon) Pilat (Chaga). Chem Pharm Bull (Tokyo) 2007; 55:1222-6. [PMID: 17666849 DOI: 10.1248/cpb.55.1222] [Citation(s) in RCA: 93] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Inonotus obliquus (persoon) Pilat (Chaga, in Russia, kabanoanatake in Japan) is a fungus having been used as a folk medicine in Russia and said to have many health beneficial functions such as immune modulating and anti-cancer activities. In the present study, the antioxidant activity of hot water extract (decoction) of Chaga was precisely compared with those of other medicinal fungi (Agaricus blazei Mycelia, Ganoderma lucidum and Phellinus linteus) showing Chaga had the strongest antioxidant activity among fungi examined in terms of both superoxide and hydroxyl radicals scavenging activities. Further determination of the antioxidant potential of isolated fruiting body (brown part) and Sclerotium (black part) revealed the 80% MeOH extract of fruiting body had the highest potential as high as that of Chaga decoction. Finally, seven antioxidant components were isolated and purified from the 80% MeOH extract of Chaga fruiting body, and their chemical structures were determined as small phenolics as follows: 4-hydroxy-3,5-dimethoxy benzoic acid 2-hydroxy-1-hydroxymethyl ethyl ester (BAEE), protocatechic acid (PCA), caffeic acid (CA), 3,4-dihybenzaladehyde (DB), 2,5-dihydroxyterephtalic acid (DTA), syringic acid (SA) and 3,4-dihydroxybenzalacetone (DBL). Notably, BAEE was assigned as the new compound firstly identified from the natural source in the present study.
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Affiliation(s)
- Yuki Nakajima
- Niigata University of Pharmacy and Applied Life Science, Niigata, Japan
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Slivka D, Cuddy J, Hailes W, Harger S, Ruby B. Glycogen resynthesis and exercise performance with the addition of fenugreek extract (4-hydroxyisoleucine) to post-exercise carbohydrate feeding. Amino Acids 2007; 35:439-44. [PMID: 17710365 DOI: 10.1007/s00726-007-0580-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2007] [Accepted: 07/03/2007] [Indexed: 12/31/2022]
Abstract
The purpose of this study was to determine the effect of adding fenugreek extract (FG) to post-exercise carbohydrate feeding on glycogen resynthesis and subsequent exercise performance in normoglycemic male endurance athletes. A muscle biopsy sample was obtained from the vastus lateralis from subjects prior to exercise for 5 h at 50% of peak cycling power (52.1 +/- 3.3% of VO(2) peak). A second muscle biopsy sample was obtained immediately after exercise. Immediately after and 2 h after the second biopsy subjects ingested either an oral dose of dextrose (GLU) (1.8 g x kg BW(-1)) or GLU with FG containing 1.99 +/- 0.20 mg x kg(-1) 4-hydroxyisoleucine (GLU + FG) in a randomized, cross-over, double blind design. At 4 h post-exercise a third biopsy was taken and subjects received a standardised meal along with FG or a placebo capsule. At 15 h post-exercise subjects underwent their final muscle biopsy before completing a simulated 40 km cycling time trial. There was no difference in muscle glycogen at any time between GLU and GLU + FG. Additionally, 40 km time trial performance was similar for average power output (221 +/- 28 vs. 213 +/- 16 watts) and for time to completion (69.7 +/- 3.7 vs. 70.5 +/- 2.2 min) for the GLU and GLU + FG, respectively. Despite earlier data to the contrary, the present results do not support an effect of fenugreek supplementation on glycogen resynthesis, even though this may have been the result of differences in experimental protocol.
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Affiliation(s)
- D Slivka
- Health and Human Performance Laboratory, The University of Montana, Missoula, MT 59812-1825, USA
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Parmar HS, Kar A. Atherogenic diet induced diabetes mellitus: involvement of thyroid hormones. Eur J Pharmacol 2007; 570:244-8. [PMID: 17628531 DOI: 10.1016/j.ejphar.2007.06.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2006] [Revised: 06/06/2007] [Accepted: 06/07/2007] [Indexed: 12/11/2022]
Abstract
An investigation was made to reveal the possible involvement of thyroid hormones in the progression of diabetes mellitus in response to an atherogenic diet; CCT (4% cholesterol, 1% cholic acid and 0.5% 2-thiouracil). Following the intake of CCT diet for 14 consecutive days a decrease in the serum levels of insulin, both the thyroid hormones, triiodothyronine (T(3)) and thyroxine (T(4)); hepatic glycogen content, hepatic type-1 iodothyronine 5'-mono-deiodinase (5'D) and serum alpha-amylase activities were observed, while there was an increase in the levels of serum glucose and nitrite and in lipid peroxidation of heart, liver and kidney tissues as well as in serum. However, simultaneous administration of L-thyroxine (500 microg/kg/day, s.c.) to CCT-diet fed animals resulted in the amelioration of all the aforesaid adverse changes including that of serum glucose, insulin, alpha-amylase, hepatic glycogen content and nitrite levels, suggesting the involvement of thyroid hormones in the progression of CCT-diet induced diabetes mellitus.
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Affiliation(s)
- Hamendra Singh Parmar
- Thyroid Research Unit, School of Life Sciences, D.A. University, Takshashila Campus, Indore-452017, India.
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Parmar HS, Kar A. Antidiabetic potential of Citrus sinensis and Punica granatum peel extracts in alloxan treated male mice. Biofactors 2007; 31:17-24. [PMID: 18806305 DOI: 10.1002/biof.5520310102] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
An investigation on the effects of four different concentrations of peel extract from Citrus sinensis (CS) or Punica granatum (PG) in male mice revealed the maximum glucose lowering and antiperoxidative activities at 25 mg/kg of CS and 200 mg/kg of PG. In a separate experiment their potential was evaluated with respect to the regulation of alloxan induced diabetes mellitus. While a single dose of alloxan (120 mg/kg) increased the serum levels of glucose and alpha-amylase activity, rate of water consumption and lipid peroxidation (LPO) in hepatic, cardiac and renal tissues with a parallel decrease in serum insulin level, administration of 25 mg/kg of CS or 200 mg/kg of PG was found to normalize all the adverse changes induced by alloxan, revealing the antidiabetic and anti peroxidative potential of test fruit peel extracts. Subsequent phytochemical analysis indicated that the high content of total polyphenols in the test peels might be related to the antidiabetic and antiperoxidative effects of the test peels.
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Affiliation(s)
- Hamendra Singh Parmar
- School of Life Sciences, Devi Ahilya University, Takshashila Campus, Khandwa Road Complex, Indore, M.P., India.
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