结果超临界CO2萃取中加入非离子表面活性剂的多元醇混合体系可大大提高丹酚酸b的提取率。
ResultsSupercritical CO2 adding nonionic surfactant mixed system of the polyol could significantly enhance extraction rate of Salvianolic acid B.
考察了醇酸比，催化剂酸度，催化剂用量，反应时间，反应温度对酯化产率的影响。
The effect of acid-alcohol ratio, acidity of catalyst, amount of catalyst, reaction time, and reaction temperature were investigated.
方法以绿原酸含量和提取物得率为考察指标，通过对水提和水提醇沉两种方法进行比较。
Methods The extraction process was investigated by solvent extraction and ethanol precipitation, with extractive yield and chlorogenic acid as the indexes.
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