Abstract
The chemical constituents in Urtica dioica fruits were investigated by silica gel chromatography, preparative HPLC, NMR, and HR-MS for the first time. As a result, 21 compounds were isolated from the fruits of U. dioica and identified 7R,8S,8'R-olivil(1), oleic acid(2), α-linoleic acid(3), palmic acid(4), methyl palmitate(5), α-linolenic acid(6), α-linolenic acid methyl ester(7), 5-O-caffeoyl-shikimic acid(8), vanillic acid(9), p-coumaric acid(10), 5-O-p-coumaroylshikimic acid(11), cinnamic acid(12), quinic acid(13), shikimic acid(14), ethyl caffeate(15), coniferyl ferulate(16), ferulic acid(17), caffeic acid(18), chlorogenic acid(19), pinoresinol(20), and quercetin(21). Compound 1 was a new compound and compounds 2-16 were isolated from U. dioica for the first time.
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