摘要
在单因素试验的基础上,利用响应面分析方法优化了化香树果序中鞣花酸的超声波提取条件。利用中心组合设计研究液固比、超声波作用时间、超声波提取温度3个自变量对响应值鞣花酸得率的影响。用Design-Expert 7.0软件进行结果分析,鞣花酸最佳超声波提取工艺条件为:液固比22.5∶1(mL∶g),超声波提取时间40 min,超声波提取温度70℃,浸提次数2次,在此条件下鞣花酸得率为1.961%。
On the basis of the single factor experiments,the optimum conditions for the ultrasonic extraction of ellagic acid from infructescence of Platycarya strobilacea were determined using response surface method（RSM）.A central composite design was used to investigate the effects of three independent variables on the yield of ellagic acid,namely liquid to solid ratio,ultrasonic extraction time and ultrasonic extraction temperature on the response.Data were analyzed using Design-Expert 7.0 software.The optimum ultrasonic extraction conditions were： liquid to solid ratio 22.5∶1（mL∶g）,ultrasonic extraction time 40 min,ultrasonic extraction temperature 70 ℃,extracting twice.Under the optimum conditions,the extraction yield of ellagic acid was 1.961 %.
出处
《林产化学与工业》
EI
CAS
CSCD
北大核心
2011年第2期19-24,共6页
Chemistry and Industry of Forest Products
基金
江苏省自然科学基金资助项目(BK2010127)
南京中医药大学林业新技术所中央级公益性科研院所基本科研业务费专项资金(CAFINT2009C04)
关键词
化香树
鞣花酸
响应面法
提取
超声波
Platycarya strobilacea
ellagic acid
response surface method
extraction
ultrasonic
