以蛹虫草为材料,采用超声波水提法、超声波醇提法、水热回流法和醇热回流法4种提取方法选择虫草素和虫草多糖的最优提取方法,并用正交试验方法考察水热回流法中提取温度、提取次数、提取时间、料液比4个因素对虫草素、虫草多糖综合提取...以蛹虫草为材料,采用超声波水提法、超声波醇提法、水热回流法和醇热回流法4种提取方法选择虫草素和虫草多糖的最优提取方法,并用正交试验方法考察水热回流法中提取温度、提取次数、提取时间、料液比4个因素对虫草素、虫草多糖综合提取效率的影响,以确定从蛹虫草中综合提取虫草素、虫草多糖最佳工艺.结果表明,水热回流法是提取虫草多糖和虫草素的最优提取方法,其最佳工艺条件为:用10倍量的水于80℃热回流提取3次,每次90 m in.展开更多
To compare the content of main active constituent in cordyceps from different forest region in China.The active constituent in the cordyceps was withdrawed by microwave method,the cordycepin and adenosine content were...To compare the content of main active constituent in cordyceps from different forest region in China.The active constituent in the cordyceps was withdrawed by microwave method,the cordycepin and adenosine content were measured by HPLC,the cordyceps acid was measured by periodic acid sodium colorimetry method,the polysaccharides was measured by phenol-sulphuric acid method.Cordyceps militaris’s cordycepin content was higher than 20 mg·g-1 in cordyceps from two forest regions in Jiangsu Province,cordyceps acid content was the highest,and was 49.38 mg·g-1 in C.militaris from Mountain Funiu forest region in Henan Province;the total quantity of four kinds of active constituent in C.militaris from two Jiangsu forest regions were the highest,surpassed 100 mg·g-1.The results showed that the main active constituent content in C.militaris from different forest region was largely different,the active constituent content in C.militaris from two Jiangsu forest regions was relative higher than others.展开更多
文摘以蛹虫草为材料,采用超声波水提法、超声波醇提法、水热回流法和醇热回流法4种提取方法选择虫草素和虫草多糖的最优提取方法,并用正交试验方法考察水热回流法中提取温度、提取次数、提取时间、料液比4个因素对虫草素、虫草多糖综合提取效率的影响,以确定从蛹虫草中综合提取虫草素、虫草多糖最佳工艺.结果表明,水热回流法是提取虫草多糖和虫草素的最优提取方法,其最佳工艺条件为:用10倍量的水于80℃热回流提取3次,每次90 m in.
文摘To compare the content of main active constituent in cordyceps from different forest region in China.The active constituent in the cordyceps was withdrawed by microwave method,the cordycepin and adenosine content were measured by HPLC,the cordyceps acid was measured by periodic acid sodium colorimetry method,the polysaccharides was measured by phenol-sulphuric acid method.Cordyceps militaris’s cordycepin content was higher than 20 mg·g-1 in cordyceps from two forest regions in Jiangsu Province,cordyceps acid content was the highest,and was 49.38 mg·g-1 in C.militaris from Mountain Funiu forest region in Henan Province;the total quantity of four kinds of active constituent in C.militaris from two Jiangsu forest regions were the highest,surpassed 100 mg·g-1.The results showed that the main active constituent content in C.militaris from different forest region was largely different,the active constituent content in C.militaris from two Jiangsu forest regions was relative higher than others.
