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Gymnema sylvestre

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https://www.readbyqxmd.com/read/28625957/studies-on-antihyperlipidemic-and-endothelium-modulatory-activities-of-polyherbal-formulation-pol4-and-its-ingredients-in-high-fat-diet-fed-rats
#1
Abdul Malik, Malik Hassan Mehmood, Muhammad Shoaib Akhtar, Ghulam Haider, Anwarul Hassan Gilani
A compound herbal formulation (POL4) is used traditionally in interior parts (Distt. Badin) of Sindh, Pakistan, for the treatment of metabolic disorders like diabetes and hyperlipidemia. This study is aimed to determine the effectiveness of POL4 and its ingredients in hyperlipidemia and associated endothelial dysfunction and hypertension. POL4 is composed of equal proportion of Nigella sativa, Cichorium intybus, Trigonella foenum graecum and Gymnema sylvestre mixed in powdered form. Chronic (6 to 7 weeks) administration of POL4 and its ingredients mixed in diet caused a notable attenuation in total cholesterol, low density lipoprotein cholesterol, triglycerides, atherogenic index, C-reactive protein and glucose, while it has increased high density lipoprotein levels...
January 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28606563/participants-with-pharmacologically-impaired-taste-function-seek-out-more-intense-higher-calorie-stimuli
#2
Corinna A Noel, Meaghan Sugrue, Robin Dando
OBJECTIVE: Research suggests a weaker sense of taste in people with obesity, with the assumption that a debilitated taste response increases the desire for more intensely tasting stimuli to compensate for decreased taste input. However, empirical testing of this supposition remains largely absent. METHOD: In a randomized, repeated measures design, 51 healthy subjects were treated with varying concentrations of a tea containing Gymnema sylvestre (GS), to temporarily and selectively diminish sweet taste perception, or a control tea...
June 9, 2017: Appetite
https://www.readbyqxmd.com/read/28587443/in-vitro-antimicrobial-potential-of-extracts-and-phytoconstituents-from-gymnema-sylvestre-r-br-leaves-and-their-biosafety-evaluation
#3
Daljit Singh Arora, Henna Sood
The in vitro antimicrobial screening of Gymnema sylvestre leaves against 13 test pathogens established its broad spectrum activity with average inhibition zone ranging from 14 to 23 mm. The antimicrobial activity of the classically- optimized aqueous extract was enhanced up to 1.45 folds, when subjected to statistical optimization using Response Surface Methodology (RSM) and was thermostable. Ethyl acetate was found to be the best organic extractant with Klebsiella pneumoniae 1 (31.5 mm) and Staphylococcus epidermidis (25...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28514906/the-effects-of-gymnema-sylvestre-in-high-fat-diet-induced-metabolic-disorders
#4
Hyeon-Jeong Kim, Sanghwa Kim, Ah Young Lee, Yoonjeong Jang, Orkhonselenge Davaadamdin, Seong-Ho Hong, Jun Sung Kim, Myung-Haing Cho
This study used an integrated approach to investigate the effects of Gymnema sylvestre (GS) extract as a functional dietary supplement with a high-fat diet. This approach examined insulin resistance, the dysfunction of adipose tissue, and liver steatosis. Male C57BL/6J mice were fed a normal chow or high-fat diet (HFD) for the acute and chronic study, in addition to GS in different doses (100, 250 and 500[Formula: see text]mg/kg body weight). Their body composition changes, serum lipid and glucose parameters, adipose and liver tissue histology, and gene expression were measured...
May 18, 2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/28496409/rapid-screening-for-%C3%AE-glucosidase-inhibitors-from-gymnema-sylvestre-by-affinity-ultrafiltration-hplc-ms
#5
Guilin Chen, Mingquan Guo
Gymnema sylvestre R. Br. (Asclepiadaceae) has been known to posses potential anti-diabetic activity, and the gymnemic acids were reported as the main bioactive components in this plant species. However, the specific components responsible for the hypoglycemic effect still remain unknown. In the present study, the in vitro study revealed that the extract of G. sylvestre exhibited significant inhibitory activity against α-glucosidase with IC50 at 68.70 ± 1.22 μg/mL compared to acarbose (positive control) at 59...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28459647/effect-of-gymnema-sylvestre-administration-on-metabolic-syndrome-insulin-sensitivity-and-insulin-secretion
#6
Laura Y Zuñiga, Manuel González-Ortiz, Esperanza Martínez-Abundis
Gymnema sylvestre is a medicinal plant whose consumption has demonstrated benefits on lipid and glucose levels, blood pressure, and body weight (BWt). The aim of this study was to evaluate the effect of G. sylvestre administration on metabolic syndrome (MetS), insulin secretion, and insulin sensitivity. A randomized, double-blind, placebo-controlled clinical trial was carried out in 24 patients (without pharmacological treatment), 30-60 years old, with diagnosis of MetS in accordance with the modified International Diabetes Federation criteria...
May 1, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28431091/suppression-of-oral-sweet-taste-sensation-with-gymnema-sylvestre-affects-postprandial-gastrointestinal-blood-flow-and-gastric-emptying-in-humans
#7
Hideaki Kashima, Kohei Eguchi, Kanae Miyamoto, Masaki Fujimoto, Masako Yamaoka Endo, Nami Aso-Someya, Toshio Kobayashi, Naoyuki Hayashi, Yoshiyuki Fukuba
An oral sweet taste sensation (OSTS) exaggerates digestive activation transiently, but whether it has a role after swallowing a meal is not known. Gymnema sylvestre (GS) can inhibit the OSTS in humans. We explored the effect of the OSTS of glucose intake on gastrointestinal blood flow, gastric emptying, blood-glucose, and plasma-insulin responses during the postprandial phase. Eight participants ingested 200 g (50 g × 4 times) of 15% glucose solution containing 100 mg of 13C-sodium acetate after rinsing with 25 mL of 2...
May 1, 2017: Chemical Senses
https://www.readbyqxmd.com/read/28330304/elicitation-of-gymnemic-acid-production-in-cell-suspension-cultures-of-gymnema-sylvestre-r-br-through-endophytic-fungi
#8
Vasudeva Reddy Netala, Venkata Subbaiah Kotakadi, Susmila Aparna Gaddam, Sukhendu Bikash Ghosh, Vijaya Tartte
The enhancement of plant secondary metabolite production in cell suspension cultures through biotic or abiotic elicitation has become a potential biotechnological approach for commercialization or large-scale production of bioactive compounds. Gymnema sylvestre R.Br. is an important medicinal plant, rich in a group of oleanane triterpenoid saponins called gymnemic acid, well known for its anti-diabetic activity. Two endophytic fungal strains were isolated from the leaves of G. sylvestre and identified as Polyancora globosa and Xylaria sp...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28270141/pharmacological-basis-for-the-medicinal-use-of-polyherbal-formulation-and-its-ingredients-in-cardiovascular-disorders-using-rodents
#9
Abdul Malik, Malik Hassan Mehmood, Hajra Channa, Muhammad Shoaib Akhtar, Anwarul-Hassan Gilani
BACKGROUND: A compound herbal formulation (POL4) has been used in the indigenous system of medicine to treat cardiometabolic disorders like diabetes and associated hypertension. POL4 and most of its constituents have not been studied widely for its therapeutic use in hypertension. This study is aimed to determine the efficacy and possible insight into mechanism(s) for the medicinal use of POL4 and its ingredients in hypertension. METHODS: The aqueous methanolic extracts of POL4 (POL4...
March 7, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28256837/determination-of-gymnemic-acid-i-as-a-protein-biosynthesis-inhibitor-using-chemical-proteomics
#10
Angela Capolupo, Roberta Esposito, Angela Zampella, Carmen Festa, Raffaele Riccio, Agostino Casapullo, Alessandra Tosco, Maria Chiara Monti
The plant Gymnema sylvestre has been used widely in traditional medicine as a remedy for several diseases, and its leaf extract is known to contain a group of bioactive triterpene saponins belonging to the gymnemic acid class. Gymnemic acid I (1) is one of the main components among this group of secondary metabolites and is endowed with an interesting bioactivity profile. Since there is a lack of information about its specific biological targets, the full interactome of 1 was investigated through a quantitative chemical proteomic approach, based on stable-isotope dimethyl labeling...
March 3, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28199551/suppression-of-oral-sweet-taste-sensation-with-gymnema-sylvestre-affects-postprandial-gastrointestinal-blood-flow-and-gastric-emptying-in-humans
#11
Hideaki Kashima, Kohei Eguchi, Kanae Miyamoto, Masaki Fujimoto, Masako Yamaoka Endo, Nami Aso-Someya, Toshio Kobayashi, Naoyuki Hayashi, Yoshiyuki Fukuba
No abstract text is available yet for this article.
February 12, 2017: Chemical Senses
https://www.readbyqxmd.com/read/27972834/evaluation-of-antibacterial-and-cytotoxic-effects-of-gymnema-sylvestre-r-br-species-cultivated-in-pakistan-against-common-resistant-pathogens
#12
M Tahir, M S Anjum, M Zahid Tanveer, M Z Iqbal
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27834124/gymnema-sylvestre-for-diabetes-from-traditional-herb-to-future-s-therapeutic
#13
Pragya Tiwari, Khurshid Ahmad, Mohammad Hassan Baig
Diabetes has increased at an unprecedented rate and is fast emerging as a global threat worldwide. The focus on pharmacological studies pertaining to diabetes has seen a remarkable shift from conventional medicines to therapeutics employing bioactive phytomolecules from natural sources. The prospective effectiveness of natural products together with their low cost and minimal side effects has revolutionized the entire concept of drug discovery and management programs. One such beneficial herb is Gymnema sylvestre, possessing remarkable hypoglycemic properties and forms the platform of diabetes therapeutics in the traditional system of medication...
November 8, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27826190/biogenesis-of-silver-nanoparticles-using-endophytic-fungus-pestalotiopsis-microspora-and-evaluation-of-their-antioxidant-and-anticancer-activities
#14
Vasudeva Reddy Netala, Murali Satyanarayana Bethu, Bobbu Pushpalatha, Vijaya Bhaskar Baki, Sani Aishwarya, J Venkateswara Rao, Vijaya Tartte
An endophytic fungal strain isolated from the leaves of Gymnema sylvestre was identified as Pestalotiopsis microspora VJ1/VS1 based on nucleotide sequencing of internal transcribed spacer region (ITS 1-5.8S-ITS 2) of 18S rRNA gene (NCBI accession number KX213894). In this study, an efficient and ecofriendly approach has been reported for the synthesis of silver nanoparticles (AgNPs) using aqueous culture filtrate of P. microspora. Ultraviolet-visible analysis confirmed the synthesis of AgNPs by showing characteristic absorption peak at 435 nm...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27761067/genetic-and-chemical-profiling-of-gymnema-sylvestre-accessions-from-central-india-its-implication-for-quality-control-and-therapeutic-potential-of-plant
#15
Ashutosh Kumar Verma, Sunita Singh Dhawan, Seema Singh, Kumar Avinash Bharati, Jyotsana
BACKGROUND: Gymnema sylvestre, a vulnerable plant species, is mentioned in Indian Pharmacopeia as an antidiabetic drug. OBJECTIVE: Study of genetic and chemical diversity and its implications in accessions of G. sylvestre. MATERIALS AND METHODS: Fourteen accessions of G. sylvestre collected from Central India and assessment of their genetic and chemical diversity were carried out using ISSR (inter simple sequence repeat) and HPLC (high performance liquid chromatography) fingerprinting methods...
July 2016: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/27761064/human-cytochrome-p450-enzyme-modulation-by-gymnema-sylvestre-a-predictive-safety-evaluation-by-lc-ms-ms
#16
Bera Rammohan, Karmakar Samit, Das Chinmoy, Saha Arup, Kundu Amit, Sarkar Ratul, Karmakar Sanmoy, Adhikari Dipan, Sen Tuhinadri
BACKGROUND: Traditionally GS is used to treat diabetes mellitus. Drug-herb interaction of GS via cytochrome P450 enzyme system by substrate cocktail method using HLM has not been reported. OBJECTIVE: To evaluate the in-vitro modulatory effects of GS extracts (aqueous, methanol, ethyl acetate, chloroform and n-hexane) and deacylgymnemic acid (DGA) on human CYP1A2, 2C8, 2C9, 2D6 and 3A4 activities in HLM. MATERIAL AND METHODS: Probe substrate-based LCMS/MS method was established for all CYPs...
July 2016: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/27757271/comparative-evaluation-of-anti-obesity-effect-of-aloe-vera-and-gymnema-sylvestre-supplementation-in-high-fat-diet-fed-c57bl-6j-mice
#17
Ramesh Pothuraju, Raj Kumar Sharma, Sarver Ahmed Rather, Satvinder Singh
BACKGROUND: The aim of the present study was to investigate, anti-obesity effect of Aloe vera (AV), and Gymnema sylvestre (GS) whole extract powders administration to high-fat diet (HFD) fed C57BL/6J mice for 12 weeks. MATERIALS AND METHODS: At the end of experiment, different parameters such as body weight, feed intake, organ weights, fasting blood glucose, oral glucose tolerance test, plasma lipid levels, and expression analysis of adipocytokines were evaluated...
September 2016: Journal of Intercultural Ethnopharmacology
https://www.readbyqxmd.com/read/27399663/a-high-throughput-automated-microfluidic-platform-for-calcium-imaging-of-taste-sensing
#18
Yi-Hsing Hsiao, Chia-Hsien Hsu, Chihchen Chen
The human enteroendocrine L cell line NCI-H716, expressing taste receptors and taste signaling elements, constitutes a unique model for the studies of cellular responses to glucose, appetite regulation, gastrointestinal motility, and insulin secretion. Targeting these gut taste receptors may provide novel treatments for diabetes and obesity. However, NCI-H716 cells are cultured in suspension and tend to form multicellular aggregates, preventing high-throughput calcium imaging due to interferences caused by laborious immobilization and stimulus delivery procedures...
July 8, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27394311/new-species-new-records-and-re-description-of-spider-mites-acari-tetranychidae-from-india
#19
Mahran Zeity, N Srinivasa, C Chinnamade Gowda
Two species of Tetranychidae (Acari), Oligonychus neotylus sp. nov. from Zea mays and Pennisetum purpureum (Poaceae) and Tetranychus hirsutus sp. nov. from Gymnema sylvestre R. Br. (Apocynaceae) are described from Karnataka state, south India. Tetranychus bambusae Wang and Ma is recorded for the first time from India and re-described. Four other species are reported for the first time from India viz., Oligonychus coniferarum (McGregor), Oligonychus duncombei Meyer, Tetranychus marianae McGregor and Tetranychus okinawanus Ehara from Cupressus sp...
March 3, 2016: Zootaxa
https://www.readbyqxmd.com/read/27261851/effects-of-feeding-a-diet-containing-gymnema-sylvestre-extract-attenuating-progression-of-obesity-in-c57bl-6j-mice
#20
Hyeon-Jeong Kim, Seong-Ho Hong, Seung-Hee Chang, Sanghwa Kim, Ah Young Lee, Yoonjeong Jang, Orkhonselenge Davaadamdin, Kyeong-Nam Yu, Ji-Eun Kim, Myung-Haing Cho
OBJECTIVE: To investigate the effect of Gymnema sylvestre extract (GS) on initial anti-obesity, liver injury, and glucose homeostasis induced by a high-fat diet (HFD). METHODS: The dry powder of GS was extracted with methanol, and gymnemic acid was identified by high performance liquid chromatography as deacyl gymnemic acid. Male C57BL/6J mice that fed on either a normal diet, normal diet containing 1 g/kg GS (CON+GS), HFD, or HFD containing 1.0 g/kg GS (HFD + GS) for 4 weeks were used to test the initial anti-obesity effect of GS...
May 2016: Asian Pacific Journal of Tropical Medicine
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