2·Objective: To investigate the effects of membrane separation purificatory technology on dosage and curative effect of Tangkeqing.
目的：考察膜分离精制工艺对糖渴清服用剂量及疗效的影响。
3·The production is washed by 95% ethanol , we can get delamination, then using butanone to extract the lower layer , the purificatory glucose ferulic acid esters can be accepted.
所得产物用95%乙醇分层，然后用丁酮萃取，得到精制的阿魏酸葡糖酯。