摘要
采用酶解辅助法提取虎杖中的有效成分白藜芦醇,考察酶用量、提取温度、提取液pH、提取时间、固液比和提取次数对白藜芦醇提取率的影响。结果表明,白藜芦醇提取最佳工艺条件为:酶用量0.50%,提取温度45℃,提取液pH=6.5,提取时间5.0 h,固液比1/22 g/mL,提取次数2次。在此条件下,虎杖中白藜芦醇的提取率可达75.66%,纯度3.80%。
The resveratrol in polygonum cuspidatum was extracted by an enzymolysis assist way. The effect of extraction temperature,extraction pH,extraction time,solid-liquid and extraction times on the yield of resveratrol were investigated. The result showed that the obtained optimal conditions were：enzyme dosage,0. 50%,extraction temperature 45 ℃,pH of extraction solution 6. 5,extraction time 5. 0 h,solid-liquid ratio 1/22 g/mL. After extracting at above giving conditions for 2 times,the extraction ratio was 75. 66%,the purity of extracts was 3. 80%.
作者
贾伟炜
赵映瑜
陈振斌
JIA Wei-wei;ZHAO Ying-yu;CHEN Zhen-bin(College of Materials Science and Engineering,Lanzhou University of Technology,Lanzhou 730050,China;State Key Laboratory-of Advanced Processing and Recycling of Nonferrous Metals,Lanzhou University of Technology,Lanzhou 730050,China)
出处
《应用化工》
CAS
CSCD
北大核心
2018年第6期1132-1136,共5页
Applied Chemical Industry
基金
国家自然科学基金(51563015)
关键词
虎杖
白藜芦醇
酶解辅助法
提取
工艺研究
polygonum cuspidatum
resveratrol
enzymolysis assist way
extraction
technical study
