The preferred ion precipitation technology for extracting tea polyphenols (TP) was investigated, and the ingredients of the product were analyzed with high performance liquid Chromatography.
探讨了离子沉淀法提取茶多酚的最佳工艺条件，并运用高效液相色谱对茶多酚产品进行了成分分析。
2
Controlling the water content could decrease the content of sodium ion and raise the melting point and improve the whiteness of the product.
控制反应水量，可达到降低产品中钠离子含量、提高产品熔点和产品白度的作用。
3
Using organic chelating agent to response with several kinds of heavy metal ion, then the heavy metal ion will be reduced by forming the product with high stability and hardly dissolved by water.