The experimental results show that the polyamine surfactants(L113B,N205,ECA4360) were more effective than the ester surfactant(Span80) for extraction of penicillin and to decrease ELM swell.

• 实验结果表明:聚胺类表面活性剂(兰113B、N205、ECA4360)对青霉素的提取率优于酯类表面活性剂(span80),且用量少、液膜溶胀率低;