In this paper,The author extraction of flavone by methanol from sour carambola leaves by single factor test and orthogonal design test was studied.

• 利用甲醇浸提,通过单因素试验和正交试验探讨从酸杨桃叶中提取黄酮的最佳工艺条件,为酸杨桃叶中黄酮类化合物的提取提供实验数据。