Abstract
This study aimed to determine the antidiabetic activity of the skin fruit and flesh of snack fruit through α-glucosidase inhibition and correlated with total phenolic and flavonoid content as well as thin layer chromatography bio-autography. Seven varieties of varieties of skin and flesh of the fruits each extracted by maceration using ethanol 70%. The results show the highest power of the α-glucosidase inhibition obtained at Manonjaya skin extract with IC50 value of 17.9 µg/mL. The TLC pattern indicates the presence of four active spot on skin extract and two spots on flesh extracts on the use of solvent BuOH:HAc:water (6:2:2). The highest phenolic content obtained at skin fruit extract of Salak Mawar 186.15 ± 1.66 mg of gallic acid equivalents per gram extract. The highest total flavonoid content obtained in Salak Malaka skin fruit extract that is 7:43 ± 0:04 milli gram of quercetin equivalents
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