灵香草浸膏提取及脱色方法研究.pdfVIP

Guangxi Sciences 2003, 10 ( 4) : 276278 * Research in Methods of Extraction and Decoloration - of Ly simachia f oenum g raecum Hance Concrete 潘争红　　　　李典鹏　　　陈月圆　　　　文永新 　 　 　 Pan Zhenghong Li ianpeng Chen Yueyuan Wen Yongxin (541006) (Guangxi Institute of Botany, Yanshan, Guilin, Guangxi, 541006, China) 4 ( 3 ) , L9 , , , 80%3, 5 ,90 ; h 85% ,20% Q946;TQ654.2 Abstract The orthogonal test design was used to arrange sequent experiments to test the effect of , . ., , , the four main factors i e consistency of ethanol times of reflux extraction time and temperature on the concrete yield of Ly s imach ia f oenum-g r aecum Hance,and to establish the optimal extraction conditions.They are:80% ethanol,refluxing for 3 times,extracting time 5 h,temperature at 90. T hen the decoloration test was carried out to get theoptimal decoloration conditions:precipitated to 85% with industrial ethanol,then decolored with 20% activated carbon. Key wordsL ys imach iaf oenum-g raecum Hance,concrete,orthogonal design,decoloration (L y simachiaf oenum-g raecum Hance) (35 cm) , , : -114( R BCHI [ 1, 2] , ) , SHZ- (III) ( , ) , TL-5.0 ( , , ) , , , [3] : ( , [4] , ) , ( ) , [4]