Penetapan Kadar Fenolat Total dan Uji Aktivitas Antioksidan Ekstrak Kulit Segar Buah Manggis (Garcinia Mangostana Linn.)
Main Authors: | Zulharmita, Zulharmita, Prajuwita, Mia, Boestari, Agusri |
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Format: | Article info application/pdf eJournal |
Bahasa: | ind |
Terbitan: |
Fakultas Farmasi Universitas Andalas
, 2017
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Online Access: |
http://jstf.ffarmasi.unand.ac.id/index.php/jstf/article/view/68 http://jstf.ffarmasi.unand.ac.id/index.php/jstf/article/view/68/59 |
Daftar Isi:
- 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.