Tannins and Related Polyphenols of Rosaceous Medicinal Plants. XII. Roshenins A-E, Dimeric Hydrolyzable Tannins from Rosa henryi BOUL.

Takashi YOSHIDA; Wei-Sheng FENG; Takuo OKUDA

doi:10.1248/cpb.40.1997

吉田隆志, 馮衛生, 奥田拓男

著者情報

キーワード: Rosa henryi, Rosaceae, ellagitannin, tannin, roshenin A, roshenin B, roshenin C, roshenin D, roshenin E

ジャーナルフリー

1992 年 40 巻 8 号 p. 1997-2001

DOI https://doi.org/10.1248/cpb.40.1997

詳細

抄録

Five new hydrolyzable tannin dimers, roshenins A-E, and eight known tannins and related polyphenols [(+)-catechin, (-)-epicatechin, procyanidins B-3 and B-4, sanguisorbic acid dilactone, sanguiins H-2, H-6 and lambertianin A], have been isolated from the root of Rosa henryi BOUL. The structures of roshenins A-E (9-12, 19), which have a sanguisorboyl group as a linking unit between monomeric components, were established on the basis of spectral and chemical evidence.

責任著者(Corresponding author)

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