tea polysaccharide is a macromolecular compound whose structure and function are similar to that of lingchi and rengseng (molecular weight 40,000 to 100,000). its distinct function is to reduce blood sugar and bleed lipid concentration, and to cure diabetes. moreover, it can prevent the blood agglutination and blood embolus, keep blood phase and strengthen body non-specific immunity during short period.
tsp is unstable under high temperature, acidity or alkalinity, and quickly degrades in the condition>60, ph<5 or >7, it is easily soluble in hot water, but insoluble in organic solvents such as ethanol, acetone, etc.