基于香草醛-高氯酸显色反应测定灵芝三萜的方法探讨与修正
张倩倩,黄青

Revised method for determining Ganoderma lingzhi terpenoids by UV-Vis spectrophotometry based on colorimetric vanillin perchloric acid reaction
Qian-Qian ZHANG,Qing HUANG
图2 CK和60μg齐墩果酸的扫描吸收值随显色时间的变化
Fig. 2 Changes of scanning absorption values of CK and 60μg oleanolic acid with color reaction duration.