Phenylpropanoids and flavonoid from Helichrysum petiolare Hilliard & B. L. Burtt
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The phytochemical analysis of a methanolic extract from Helichrysum petiolare Hilliard & B. L. (Asteraceae) confirmed the content of phenylpropanoids and flavonoids. Five secondary metabolites were isolated using preparative HPLC, namely coumarin scopolin (1),... ...