Jurnal Sains Teh dan Kina
Vol 19, No 2 (2016)

Inhibition activity of α-glucosidase by infusion and ethanol extract of white tea and stevia combination

Trinoviani, Elvi (Unknown)
Kholisoh, Ai (Unknown)
Ar-Rifa, Nisa Fitriani (Unknown)
Rustamsyah, Ardi (Unknown)

Article Info

Publish Date
01 Jan 2017

Abstract

Ethanol extract of white tea and its stevia liquor was observed for α-glukosidase inhibition. The research was divided into some steps;  white tea and stevia combination hedonic sensory test, phytochemical identification, and α-glucosidase inhibition activity. The result of hedonic sensory test incline towards formula 2 which consist 75% of white tea and 25% stevia. Further, this formulation was extracted by ethanol for α-glucosidase inhibition activity test. Formulation 2 liquor tested for enzyme inhibition activity showed IC50 value was 36,96 µg/ml, better than ethanol extract and acarbose. Phytochemical identification presented that both preparations contained alkaloids, flavonoids, saponins, tannins, triterpenes/steroid, and quinones.

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Journal Info
Jurnal Sains Teh dan Kina
Website

Abbrev

tcrj

Publisher

Pusat Penelitian Teh dan Kina

Subject

Agriculture, Biological Sciences & Forestry Computer Science & IT Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering

Description

Jurnal Penelitian Teh dan Kina is a national journal providing rapid publication of peer-reviewed articles concerned with tea and cinchona commodities based on the aspects, agronomy, plant breeding, soil science, crop protection, postharvest technology and social economy. Papers dealing with result ...