Phytochemical analysis, antioxidant potential, and in vitro antidiabetic activity of Grewia lasiodiscus (K Schum) leaves extract
Publish place: Journal of Herbmed Pharmacology، Vol: 13، Issue: 1
Publish Year: 1403
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_HERM-13-1_014
تاریخ نمایه سازی: 26 بهمن 1402
Abstract:
Introduction: Grewia lasiodiscus is recognized for its therapeutic potential in addressing emesis, diabetes, hypertension, and oxidative stress. This research evaluated the in vitro antioxidant and antidiabetic activities of G. lasiodiscus leaf extract using Saccharomyces cerevisiae yeast in a glucose absorption model. Methods: Phytochemical screening, quantification of phenols, flavonoids, and condensed tannins, in conjunction with in vitro antioxidant evaluations using the ۲,۲’-diphenyl-۱- picrylhydrazyl (DPPH) test and Ferric-reducing power test (FRAP) were conducted on the hydroethanolic extract. The assessment of the antidiabetic impact involved the measurement of yeast cell glucose absorption, with an additional investigation into their glucose adsorption capabilities. Results: Phytochemical analysis showed the presence of tannins, steroids, flavonoids, terpenes, glycosides, and phenols in the hydroethanolic extract, while alkaloids and saponins were absent. Quantitative analysis revealed substantial levels of phenols (۲۰۰.۹۲ ± ۰.۰۰ milligrams equivalent to catechin per gram (mgEqC/g)), flavonoids (۳۱.۷۵ ± ۰.۲۵ mgEqC/g), and condensed tannins (۲۷۴۰.۴۴ ± ۱۴۲.۶۶ mgEqC/g). The extract demonstrated noteworthy antioxidant activity, corresponding to an IC۵۰ value of ۹۱.۱۱ ± ۰.۱۱ μg/mL in the DPPH test and ferric reducing power of ۱۱.۳۵ ± ۱.۴۲ mmol/L. Furthermore, the extract enhanced glucose absorption by yeast cells, reaching up to ۷۵%, in a manner directly proportional to glucose concentration and extract weight, indicating dose-dependent effects across glucose levels. Conclusion: G. lasiodiscus leaf extract exhibited significant antioxidant and antidiabetic properties probably attributed to its phenolic compounds. Further research, including in vivo studies and toxicity assessments, is imperative to ascertain its therapeutic potential in managing diabetes mellitus.