Brominated diphenyl ethers from the marine sponge Dysidea fragilis
作者:N. K. Utkina、M. V. Kazantseva、V. A. Denisenko
DOI:10.1007/bf00597821
日期:1987.7
the tannins of Diospyros kaki, Rubus fruticosus, and Cydonia vulgaris were formed by the polymerization of leukocyanidin, that of Thea sinensis from catechin, those of Punica granatum from leukocyanidin and leukodelphinidin, and those of Acacia dealbata from catechin, leukocyanidin, and leukodelphinidin. A direct relationship was observed between the amount of free catechins and the possibility of the