... tea polyphenol, extracted and isolated from green tea, is a new natural high-tech product, containing plenty of catechins, flavonoids, etc ... propagation of bacteria. TP is used as a food additive, like chewing gum, toothpaste, deodorizing and eliminating the halitosis, anticaries. ... . TP is the health-care products. So far, some new products (like oral liquid, capsule) have been sold in market's shows ...