1,2,6-Trigalloylglucose, or more specifically 1,2,6-tri-O-galloyl-β-D-glucose, is a gallotannin found in cell cultures of Cornus officinalis.Gallotannin production in cell cultures of Cornus officinalis Sieb. et Zucc. Yazaki K. and Okuda T., Plant cell reports, 1989, vol. 8, no6, pp. 346-349, ,
Biosynthesis The enzyme beta-glucogallin O-galloyltransferase, characterised from oak leaves, converts two units of glucogallin to 1,6-digalloylglucose:
The product 1,6-digalloylglucose can react with another unit of glucogallin to give 1,2,6-trigalloylglucose.
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