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Agusri Boestari
Fakultas Farmasi Universitas Andalas Padang
Computer Science & IT Education

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Journal : Jurnal Sains dan Teknologi Farmasi

 1 
PENETAPAN KADAR FENOLAT TOTAL DAN UJI AKTIVITAS ANTIOKSIDAN EKSTRAK KULIT SEGAR BUAH MANGGIS (Garcinia mangostana Linn.) Zulharmita, Zulharmita; Prajuwita, Mia; Boestari, Agusri
Jurnal Sains dan Teknologi Farmasi Vol 15, No 1 (2010)
Publisher : Universitas Andalas

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Abstract

The determination of totally phenolic compounds in methanol extracted of cortex fruit of Garcinia manggostana Linn has been done by Folin-Ciocalteau method. The  antioxidant activity has been performed using 1,1-diphenyl-2-picrihydrazil (DPPH) as reagent, that measured spectrometrically  compared with gallic acid as antioxidant standard compound. The total phenolate compounds found in fresh peel of mangosteen was 1,64±0.18% w/w which calculated as gallic acid equivalence and the antioxidant activity with a value of IC50 was 251,12 µg. 
Co-Authors Mia Prajuwita Zulharmita Zulharmita