- An UV-spectrophotometry determination method for pyrogallic acid content was studied.
研究了用紫外分光光度法测定焦性没食子酸含量的一种新方法。
- Tannins of the first type which are found in tea generally yield glucose and gallic acid when they are hydrolyzed.
第一种丹宁酸发现于茶叶中，通常将它们水解时会产生葡萄糖和没食子酸。
