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Article Title

Tannins and related compounds from Erodium moschatum (L.) L'Her

Abstract

Erodium moschatum is a newly naturalized plant in Taiwan. From the aqueous acetone extract of the fresh herb, seventeen tannins and related compounds were isolated. They included five phenolcarboxylic acids and ester including: protocatechuic acid (1), gallic acid (2), methyl gallate (3), caffeic acid (4), brevifolincarboxylic acid (5); four gallotannins: 3-O-galloylshikimic acid (6), 3,4-di-O-galloylshikimic acid (7), 3,5-di-O-galloylshikimic acid (8), 1-O-galloyl-β-D-glucose (9); six ellagitannins and other related compounds which include corilagin (10), furosin (11), geraniin (12), acetonylgeraniin A (13), methyl gallate 3-O-β-D-glucoside (14), gallic acid 3-O-β-D-(6′-O-galloyl)-glucoside (15) and two flavonoids: kaempferol (16), quercetin (17). These structures were identified on the basis of their physical data and spectroscopic evidence.

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