Theaflavins

Detailed Product Description
TFs have three major applications: 1. As intermediates of medicine: Numerous studies have found that TFs have effects of anti-oxidation, anti-cancer, scavenging or inhibiting free radicals. TFs are also shown to slowdown tumor spreading, decreasing blood thickness and preventing heart diseases. TFs are more efficient than tea catechins in regulating fat metabolism and improving blood circulation. TFs have also been shown to improve immune system function and have anti-inflammation effect. In addition, TFs can help repair the damage caused by smoking by increasing the bodys ability to degrade and eliminate the harmful components in smoking. Theaflavins and gallates are also inhibitors of HIV reverse transcriptase and other DNA and RNA polymerases. 2. As additives in food: TFs can be used as natural pigments and anti-oxidation agent in natural food. The anti-oxidation effect of TFs is higher than tea polyphenols, BHA and BHT. 3. Application in chemical commodity: Owing to the functions of deodorization, sterilization, pigmentation, etc., TFs have been widely used in chemical commodity products such as shampoo, soap, toothpaste and natural dyes. Organoleptic characters: Content of TFs ≤20% : powder, reddish brown color; Content of TFs ≤40% : red powder, with tea aroma; Content of TFs ≥40% : powder, red color. Chemical properties: Solubility: Readily dissolved in water, hydrated ethanol and hydrated methanol, bitter taste. Stability: Stable in pH4-8 environments. Deteriorate under strong alkali, strong acid, illumination and intense heat. Safety evaluation: Innoxious. Storage: keep in cool, dry, dark place. Storage lifetime: 2 years