Repositori BKPKAktivitas Antioksidan Dari Berbagai Fraksi Esktrak Daging Buah dan Kulit Biji Mahkota Dewa (Phaleria macrocarpa)ViviLindawatiauthorL. Broto S. KardonoKardonoauthorThe antioxidant activity of various extracts from P. macrocarpa, fam. Thymelaeaceae, were investigated. The in vitro biossay has been studied for screening antixidant activity of chemical compounds from n-hexame, ethyl acetate are prepared of each plants part obtained, the evaluated by using spectrophotometry methods. This methods conducted by using a,a-diphenyl-B-picrylhydrazyl (DPPH) as the sourches of free radical and BHA (butylated hydroxy anisole) as the posite control. The antioxidant activity of scavenging effects on a,a-diphenyl-B-picrylhydrazyl radical decreased in the order polar > semi polar > non polar extracts with values from 13-90% at dose of 200 ug.QV Pharmacology2006-12Sekretariat Badan Penelitian dan Pengembangan KesehatanArticle

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