Tannase hydrolyses the ester bonds and depside bonds in gallic acid tannins to release gallic acid and glucose.

单宁酶可水解没食子酸单宁中的酯键和缩酚羧键，生成没食子酸和葡萄糖。

The hydrolyzing method of chrome shavings and the applying method of hydrolyses in the tanning process were studied in this paper.

本文探讨了水解铬鞣革的方法和水解物在皮革鞣制中应用的可能性。