Phytochemistry p. 2621 - 2624 (1984)
Update date:2022-08-28
Topics:
Nishimura, Hiroaki
Nonaka, Gen-Ichiro
Nishioka, Itsuo
A chemical investigation of the bark of Quercus stenophylla has led to the isolation and characterization of all of the possible structural isomers of quinic acid gallates; 3-O-, 4-O-, 5-O-, 3,4-di-O-, 3,5-di-O-, 4,5-di-O- and 3,4,5-tri-O-galloylquinic acids.Evidence for the structures of these compounds was obtained from analysis of the 1H and 13C NMR spectra, and hydrolytic studies.Key Word Index - Quercus stenophylla; Fagaceae; quinic acid gallates; gallotannins; tannase.
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