太子参多糖超声提取工艺优化

通过单因子试验和正交试验，研究了太子参多糖超声提取最佳工艺。结果表明：超声波法提取太子参多糖的最佳工艺是料液比1∶40(g/mL)，提取温度70℃，超声功率500 W，浸提次数4次，提取时间30 min。优化后的多糖提取得率为6.77%，是优化前的3.7倍。优化后的提取工艺简单高效、成本低、稳定性好，可作为太子参多糖提取的理想方法。

Optimization of Ultrasonic Extraction Condition for Polysaccharide from Radix pseudostellarial

The optimum condition for ultrasonic extraction of polysaccharide from Radix pseudostellarial was studied. The factors affected polysaccharide yield of Radix pseudostellarial, including the extraction times , ultrasonic power, solid-liquid ratio, extraction time and extraction temperature were optimized through a ombination of single factor and orthogonal design tests. The results showed that the extraction times, ultrasonic power, solid-liquid ratio, extraction time and extraction temperature all had significant effects on the yield of polysaccharide. The extraction yield of the optimized polysaccharide was 6.77%, which was 3.7 times higher than that before optimization. The optimized extraction process was simple, efficient, low-cost and stable. It can be used as an ideal method for the extraction of Radix pseudostellarial polysaccharide.