Pyrogallol tannin

From CAMEO
Jump to: navigation, search

Description

One of two general classes of vegetable tannins. The other class is catechol. Pyrogallol tannins contain pyrogallic acid. Examples include chestnut, oak bark, myrobalan extract, and divi-divi.

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 797