Synthesis of epsilon-Viniferin Glycosides by Glucosyltransferase from Phytolacca americana and their Inhibitory Activity on Histamine Release from Rat Peritoneal Mast Cells

摘要

Glycosylation of (+)-epsilon-viniferin was investigated using glucosyltransferase from Phytolacca americana (PaGT3) as a biocatalyst. (+)-epsilon-Viniferin was converted by PaGT3 into its 4b- and 13b-beta-D-glucosides, the inhibitory activities on histamine release from rat peritoneal mast cells of which were higher than that of (+)-epsilon-viniferin.