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Thea flavin is one kind of the pigment in red tea, is the compound from the tea leaves with the exactly pharmacological effects. The application study on clinic internationally shows that the thea flavin has more medicine value than the tea polyphenols has, which can effectively adjust the blood-libid, prevent the cardio disease, sugar diabetes, all kinds of tumor or cancer etc. Meanwhile, the thea flavin without any toxic and side effects, which is named as the”soft gold” in the tea.

Physical property : Powder in orange yellow or reddish brown, easy dissolving in water or in ethanol.
Stability: Stahle in PH 4-8, easy degenerative if touching strong acid, strong alkali, lighting in sun shining, over heating, or transition metal materials.
Safety: Without any toxic and side effects.
Storing condition: Keep in dry, clean, cool and ventilating place
Shelf time: Quality guarantee term is one year under seal condition, accompanied by qualified storing and transporting condition with complete package.