Glucogallin is chemical compound formed from gallic acid and glucose. It can be found in oaks species like the North American white oak ( Quercus alba), European red oak ( Quercus robur) and Amla fruit ( Phyllanthus emblica).
It is formed by a gallate 1-beta-glucosyltransferase (UDP-glucose: gallate glucosyltransferase), an enzyme performing the esterification of two substrates, UDP-glucose and gallic acid to yield two products, UDP and glucogallin. This enzyme can be found in oak leaf preparations.
This the first step in the biosynthesis of . The molecule is then used by enzymes in the gallotannins synthetics pathway like beta-glucogallin O-galloyltransferase or beta-glucogallin-tetrakisgalloylglucose O-galloyltransferase.
β-Glucogallin is aldose reductase inhibitor.
Half-life of β-Glucogallin in human body seems to be unknown.
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