Figure 1.
HPLC-DAD—Chromatogram of Petiveria alliacea L. (280 nm) extract. 1—protocatechuic acid, 2—protocatechuic acid derivative, 3, 4, 7 and 8 compounds derived from catechin and/or epicatechin. 5 and 6—Derivatives from cinnamic or benzoic acid.
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