The Oolong tea juice was ultra-filtrated by using the plate-frame module and choosing three kinds of CA membrane with three pore diameter .

• 结果表明,超滤可以有效澄清乌龙茶汁,在合适的工艺参数下菜汁有效风味成分保留率高,能截留大部分易发生沉淀的高分子物质,感官品质佳。