In this paper,crosslinking Poly Vinylpyrrolidone(PV PP) wassynthesized.Treatment of oolong tea beverage with PVPP and treating con ditions were investigated.

• 合成了交联聚乙烯吡咯烷酮(PVPP)，研究了PVPP对乌龙茶饮料的处理效果与条件。