超声波法优化一点红多糖提取工艺

利用正交法研究超声波法提取一点红多糖的最佳工艺。实验考察了液料比(A)、提取功率(B)、提取时间(C)、提取温度(D)4个因素的影响。得出超声波提取优化工艺条件是A1B1C3D1,即提取料液为1:20、提取功率为60W、提取时间为60min、提取温度为50℃,此时多糖提取率为4.91%。说明超声法提取一点红多糖具有得率高、操作时间短、有效成分破坏少等特点,具有一定的推广性。

Ultrasonic extracting technique of polysacccharide in Emilia sonchifolia (Linn.)DC.

Orthogonal experiment was used to study the best technology of the extraction of the polysacccharide in Emilia sonchifolia(Linn.)DC.with ultrasonic.The orthogonal experiment was carried out to investigate 4 influential factors:the ratio of solid-liquid(A),ultrasonic power(B),extraction time(C),extraction temperature(D).The optimal conditions for ultrasonic extraction were:A1B1C3D1,the ultrasonic power is 60 W,the ratio of solid-liquid is 1:20,the time of extraction is 60min,the temperature of extraction is 50 ℃.The extraction yields of polysacccharide in Emilia sonchifolia(Linn.)DC.was 4.91%.The polysaccharide by ultrasonic is extracted with a high rate of Emalia sonchifolia polysaccharides,the operation time is short,less destruction of active ingredients and so on,this method can be promoted.