Tea polyphenols are a general term for polyphenols in tea. It is a white amorphous powder, easily soluble in water, soluble in ethanol, methanol, acetone, and ethyl acetate, and insoluble in chloroform. The content of tea polyphenols in green tea is relatively high, accounting for 15% to 30% of its mass. The main components of tea polyphenols are flavanones, anthocyanins, flavonols and anthocyanins, and phenolic acids and phenolic acids Class 6 compounds. Among them, flavanones (mainly catechins) are the most important, accounting for 60% to 80% of the total tea polyphenols, followed by flavonoids, and the content of other phenols is relatively small.
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|FedEx/DHL/TNT||Shipping by Air||Shipping by Sea|
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