冬虫夏草中虫草酸的提取条件优化与纯化研究
Academic Periodical of Farm Products Processing(2012)
Abstract
为研究提取条件对冬虫夏草中虫草酸提取率的影响。以虫草酸提取率为考察指标,研究了提取方法、提取时间、提取温度、液固比对虫草酸提取率的影响。结果表明,提取虫草酸的最佳条件为:液固比为10∶1,提取温度为90℃,提取时间为1 h,在此条件下上虫草酸的提取率率为11.36%。利用Sevag法脱蛋白后经重结晶处理后,所得到的虫草酸纯度可达99.92%,这为进一步研究虫草酸的性质提供了物质基础。
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Key words
Cordyceps sinensis,purification,cordycepic acid,extraction
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