Chemical constituents and antioxidative activity of the extracts from Dyera costulata leaves

Chloroform and n-butanol extracts from the leaves of Dyera costulata exhibited EC50 values for DPPH radical scavenging activity of 79.8±0.2 and 12.0±0.1 μg/ml, respectively. Chemical investigation of the extracts was conducted by means of column chromatography. β-Amyrin and rhamnazin were isolated f...

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Bibliographic Details
Main Authors: Apai Malinee, Bamrung Jankeaw, Sanan Subhadhirasakul
Format: Article
Language:English
Published: Prince of Songkla University 2003-05-01
Series:Songklanakarin Journal of Science and Technology (SJST)
Subjects:
Online Access:http://www.sjst.psu.ac.th/journal/25-3-pdf/08antioxidativeleaves.pdf