期刊
FOOD SCIENCE AND BIOTECHNOLOGY
卷 26, 期 5, 页码 1313-1323出版社
KOREAN SOCIETY FOOD SCIENCE & TECHNOLOGY-KOSFOST
DOI: 10.1007/s10068-017-0112-4
关键词
Isatis indigotica Fort.; Indigo; Indirubin; Ultrasound-assisted extraction; Antioxidant activity
资金
- Natural Science Foundation of China [31200221]
- Fundamental Research Funds for the Central Universities [GK201703075]
- Natural Science Foundation of Shaanxi [2016JQ3007]
- Innovation Funds of Graduate Programs, SNNU [2015CXS025]
An effective method for the ultrasound-assisted extraction of indigo and indirubin from Isatis indigotica Fort. was established and their antioxidant activities were investigated. Response surface methodology based on a three-level, four-factor Box-Behnken design was used to optimize the extraction conditions. Analysis of variance showed that the quadratic model was significant for the extraction of indigo and indirubin (112.72% +/- 1.65% and 116.42% +/- 1.27%, respectively) under the optimal conditions (methanol concentration, 80%; extraction time, 25 min; ratio of solid to liquid, 1:34 g/mL; and extraction temperature, 41 A degrees C) and was in good agreement with the predicted value. Moreover, evaluation of the antioxidant activities suggested that indigo and indirubin presented better scavenging effects on 1,1-diphenyl-2-picrylhydrazyl free radical and superoxide radical than the extract and the extract revealed certain antioxidant activities in hydroxyl radical scavenging and reducing power, and indigo and indirubin could be used as natural antioxidants in the food or medicine industry.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据