为了研究微波法辅助提取梵净山阳荷多糖的最佳提取工艺,采用单因素和正交试验,进行研究,得到了微波辅助提取阳荷多糖的最佳提取工艺条件为:微波浸提时间3 min,料液比1∶20(g∶mL),微波功率264W。此条件下微波提取阳荷多糖的提取率为13.01%,RSD为0.44%。与超声波法和常规浸提法比较,微波辅助提取法大大缩短了浸提时间,节约了材料,提高了阳荷多糖的提取率。

The single factor and the orthogonal test were applied and the result showed that the optimum extraction process conditions were three minutes' microwave digestion time;1∶ 20(g∶ mL) solid-liquid ratio and 264W microwave power.Under those conditions,the extraction rate of Zingiber striolaum polysaccharide was 13.01% and RSD was 0.44%.Compared with ultrasonic method and the conventional extraction method,the microwave assisted method greatly shortened the extraction time,saved the materials and enhanced the extraction rate of Zingiber striolaum polysaccharides.