Clarificated by chitosan,the best clarification condition of imperata cylinarica(L.) rhizome juice was choosing by orthogonal experiment. The optimum condition was 0.2g/L adding admeasure of chitosan,pH 3.0,processing 2h.

• 将白茅根浸提液采用壳聚糖进行澄清处理；通过正交试验研究确定最佳澄清工艺条件；结果表明最佳澄清工艺条件:壳聚糖添加量0.；2g/L、调浸提液pH值3