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All Journal Jurnal MIPA CHEMISTRY PROGRESS
Rotty, Marsella
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Biochemistry, Genetics & Molecular Biology Chemistry Mathematics Physics

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Journal : Jurnal MIPA

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Aktivitas Penghambatan Oksidasi Asam Linoleat Ekstrak Metanol Daun Soyogik (Saurauia bracteosa DC) dengan Metode Ferric Thiocyanate Rotty, Marsella; Runtuwenen, Max R.J.; Kamu, Vanda S.
Jurnal MIPA Vol 6, No 2 (2017)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jm.6.2.2017.17756

Abstract

Telah dilakukan penelitian untuk menentukan kandungan total fenolik dan aktivitas antioksidan ekstrak metanol daun soyogik (Saurauia bracteosa DC) sebagai peredam radikal bebas asam linoleat. Kandungan total fenolik diukur dengan metode Folin-Ciocalteu sedangkan aktivitas antioksidan diukur dengan metode FTC (Ferric Thiocyanate) untuk mengetahui kemampuan penghambatan peroksida pada tahap pertama oksidasi lipid.  Hasil penelitian menunjukkan bahwa ekstrak metanol memiliki kandungan total fenolik sebesar 99,67 mg/kg dan kemampuan dalam menghambat oksidasi asam linoleat sebesar 49,464%.This research has been conducted to measure the total phenolic compounds and the antioxidant activity of methanol extract of soyogik leaves (Saurauia bracteosa DC) as a reducer of free radicals linoleic acid. The total phenolic content was measured using folin-ciocalteu method, meanwhile the antioxidant activity was measured using FTC (Ferric Thiocyanate) method and to determine the peroxide inhibitory capability in the first stages of lipid peroxidation. The results showed that the methanol extract had a total phenolic content of 99, 67 mg/kg and peroxide inhibition of 49, 464%
Co-Authors Max R. J. Runtuwene Runtuwenen, Max R.J. Vanda S Kamu Vanda S. Kamu