Suppression ofD -Galactosamine-Induced Rat Liver Injury by Glycosidic Flavonoids-Rich Fraction from Green Tea
Author(s) -
Shingo Wada,
Puming He,
Naoharu Watanabe,
Kanzo Sakata,
Kimio SUGIYAMA
Publication year - 1999
Publication title -
bioscience biotechnology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.509
H-Index - 116
eISSN - 1347-6947
pISSN - 0916-8451
DOI - 10.1271/bbb.63.570
Subject(s) - glycosidic bond , galactosamine , chemistry , liver injury , biochemistry , fraction (chemistry) , green tea , column chromatography , pharmacology , traditional medicine , chromatography , food science , enzyme , biology , medicine , galactose
Tea constituents that had a preventive effect on D-galactosamine-induced liver injury in rats were partially purified by column chromatography from a n-butanol-soluble fraction of green tea. The fraction containing glycosidic flavonoids was found to suppress the D-galactosamine-induced increase of plasma alanine aminotransferase and aspartate aminotransferase activities. These results indicate that glycosidic flavonoids contribute, at least in part, to the liver injury-preventive effect of green tea.
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