3,4,5-Tri-O-Galloylquinic Acid Ethyl Ester from Guiera senegalensis

Abstract
A new polyphenol, 3,4,5-tri- O -galloylquinic acid ethyl ester, accompanied by other quinic acid gallates, 3,5-di- O -, 3,4,5-tri- O -, and 1,3,4,5-tetra- O -galloylquinic acids were isolated from the leaves of Guiera senegalensis, Combretaceae.