A Flavonol Compound From Chingia Sakayensis (Zeiller) Holtt And Its Activity As DPPH Free Radical Scavenger = Suatu Senyawa Flavonol dari Daun Tumbuhan Paku Chingia Sakayensis (Zeiler) Holtt dan Aktivitasnya Sebagai...
ABSTRACT It has been separated a flavonol 3,5,7,4'-tetrahydroxy flavone (kaemferol) from the methanol extract partitioned by ethyl acetate of the leaves of the fern Chingia sakayensis (Zeiller) Holtt. This was obtained as yellow crystals with m.p. 271-273°C. Characterization of its molecular s...
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[Yogyakarta] : Universitas Gadjah Mada
2003
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