gallotannic acid


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gallotannic acid

(găl'ōtăn`ĭk): see tannintannin,
 tannic acid,
or gallotannic acid,
astringent vegetable product found in a wide variety of plants. Sources include the bark of oak, hemlock, chestnut, and mangrove; the leaves of certain sumacs; and plant galls.
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gallotannic acid

[¦ga·lō¦tan·ik ′as·əd]
(organic chemistry)
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