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。
2
Conclusion: Depside salt from Salvia Miltiorrhiza can obviously inhibit the aggregation and activation of platelet, and the expression and secretion of MMP-9.