Zhongxian Wan

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The aim of this study was to evaluate antioxidant activities and cytotoxicity against human tumor cell lines of extracts from Bidens pilosa Linn. var. radiata Sch. Bip. (BP). Total phenolic and flavonoid contents of the extracts were determined by ultraviolet spectrophotometry. Furthermore, the antioxidant properties of different polarity fractions(More)
Bidens pilosa Linn. var. radiata Sch. Bip. (BP) belonging to the Asteraceae family is one variety of Bidens pilosa species originating from South America and transplanted to China [1]. From this species, groups of compounds with biological activity, mainly, polyacetylenes and flavonoids, have been isolated and identified [2]. However, the chemical(More)
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