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Alim Isnansetyo
Department of Fisheries, Faculty of Agriculture, Universitas Gadjah Mada
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology

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AKTIVITAS ANTIOKSIDAN DAN ANALISIS PROKSIMAT BUBUK KERING ALGA COKELAT Sargassum hystrix Radipta Lailatussifa; Amir Husni; Alim Isnansetyo
Jurnal Perikanan Universitas Gadjah Mada Vol 19, No 1 (2017)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.23885

Abstract

This research aims to know antioxidant activity, total phenolic, nutrient, and screening phytochemistry compounds of S. hystrix dry powder. Water extract from the dried sample of brown algae (S. hystrix) was prepared and examined for its phenolic compounds. The amount of total phenolic compounds in water extract was about 11.43 g Gallic Acid Equivalent (GAE)/100 g of dry basis sample, as measured by using Folin-Ciocalteu method. The antioxidant activity (Radical Scavenging Activity/RSA) of BHT as a standard was high about 96% inhibition of radical DPPH with 1 mg dry sample/ml solvent. The IC50 of the BHT was 0.227 ± 0.001 mg of dry sample/ ml solvent. While the radical activity (RSA) of S. hystrix dry powder was about 65.28% at 1 mg dry sample/ml solvent. The IC50 of S. hystrix dry powder was 0.616 ± 0.005 mg of dry sample/ml solvent. Nutrient contents and bioactive compounds of dry powder S. hystrix were balanced to support antioxidant activity of the sample. The results suggest that this alga is a potential source of natural antioxidant.
Co-Authors Amir Husni Radipta Lailatussifa