digallic acid


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digallic acid:

see gallic acidgallic acid
or 3,4,5-trihydroxybenzoic acid
, C6H2(OH)3CO2H, colorless crystalline organic acid found in gallnuts, sumach, tea leaves, oak bark, and many other plants, both in its free state and as part of the tannin molecule
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.

digallic acid

[dī′gal·ik ′as·əd]
(organic chemistry)