热水浸提法提取黄精多糖最佳工艺研究

The study of optimal flow-sheet of extracting polygonatum polysaccharides with hot water diffusion

目的优化热水浸提黄精多糖的工艺流程。方法采用(43)正交实验法。结果因素影响多糖收率的顺序为:提取温度>固液比>提取次数>时间。结论水提醇析法提取黄精多糖的最佳组合为A2B3C1D2,即温度80℃,固液比1:15,提取次数2次,时间120 min。

Objective：To optimize the flow-sheet of extracting polygonatum polysaccharides with hot water diffusion. Methods ： The crosscut experiments （43 ） were employed. Results ： The factor sequence of influencing polysaccharides yield were extracting temperature, solid-liquid ratio, extracting frequency, and diffusion period. Conclusion： The optimal combination of extracting polygonatum polysaccharides with hot water diffusion is A2B3C1D2： extracting temperature is 40℃, solid-liquid ratio is 1 ： 20, extracting frequency is 2 and diffusion period is 120 minutes.