SENYAWA FENOLIK DARI KULIT BATANG Garcinia cf. cymosa DAN UJI AKTIFITAS ANTIOKSIDAN

SENYAWA FENOLIK DARI KULIT BATANG Garcinia cf. cymosa DAN UJI AKTIFITAS ANTIOKSIDAN

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ABSTRACT A Phenolic compound was isolated from the bark of Garcinia cf.cymosa.Isolation methods were used are maseration, beer button down shirts for men fractionation, and chromatography.Structure determination was done using spectroscopy methods including IR, H-NMR, C-NMR, DEPT, COSY, HMQC, and HMBC.The result showed that the isolated compound is (-)epicatechin.

Antioxidant activity gotrax handlebar of isolated compound was determined by DPPH method.Isolated compound has antioxidant activity which has IC50 = 41,8 ppm.Keywords : Phenolic, (-)epicatechin, Garcinia cf.cymosa, DPPH.