## Abstract Dihydromyricetin (DHM) is the major bioactive constituent of Rattan Tea, which is the tender stems and leaves of __Ampelopsis grossendentata__. Seven metabolites (2β8) of DHM (1) were obtained by the chromatographic method. The metabolites 2β5 were obtained from the urine of rats admini
Isolation and identification of eburicoic acid from Fomes pinicola
β Scribed by Kirti Sheth; Philip Catalfomo; Leo A. Sciuchetti
- Publisher
- John Wiley and Sons
- Year
- 1967
- Tongue
- English
- Weight
- 301 KB
- Volume
- 56
- Category
- Article
- ISSN
- 0022-3549
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## Abstract Following the intraperitoneal administration of high doses of ^14^Cβ and ^3^Hβ labelled retinoic acid **(1)** to rats, three major metabolites and the intact compound were isolated from the feces in microgram amounts by use of column, thinβlayer and highβpressure liquid chromatography.
may exist between terphenylquinones and diphenyl-substituted tetronic acid. Although Read et al. (9) suggested that hydroxylation of the phenylpropanoid compound occurs prior to the formation of the terphenyl skeleton, it appears reasonable that hydroxylation could occur after dimerization. If atrom