摘要
为探讨酸浆宿萼黄酮的最佳提取工艺及自由基清除活性,采用响应面法对提取酸浆宿萼黄酮的关键参数进行了优化。同时以Vc作为对照,采用2种方法考察了酸浆宿萼黄酮的自由基清除能力。结果表明,酸浆宿萼黄酮的最佳提取工艺条件为:乙醇体积分数71.08%、提取温度78.46℃、提取时间6.62h、剂料比19.80mL/g,在此条件下黄酮得率为4.65%。自由基清除试验表明,酸浆宿萼黄酮能够显著的清除羟自由基和DPPH。
The optimum extraction technology and free radical scavenging ability of flavonoids from calyx of Physalis alkekengi L. var. francheti were performed for future development and utilization. The optimum parameters of extraction were determined by response surface methodology. The free radical scavenging ability was examined by two method of free radical scavenging assays with Vc as control. The results show that the optimized condition was as follows： ethanol concentration of 71.08%, extraction temperature of 78.46 ℃, extraction time of 6.62 h, ratio of solvent to material of 19.80 mL/g and the flavonoids yield is up to 4.65%. The results of free radical scavenging ability tests demonstrated that the flavonoids from Physalis alkekengi L. var. francheti calyx has remarkable free radical scavenging ability.
出处
《食品科技》
CAS
北大核心
2013年第1期232-236,共5页
Food Science and Technology
关键词
酸浆宿萼
黄酮
提取
优化
自由基清除
Physalis alkekengi L. var. francheti calyx
flavonoids
extraction
optimize
free radical scavenging
作者简介
赵丹（1987-），女，黑龙江人，硕士研究生，研究方向为粮食、油脂及植物蛋白工程。
通讯作者
