Catechin:Biological Activity and Application Potential

Stress,especially oxidative stress injury can cause immune dysfunction,intestinal structural damage and micro-ecological imbalance.Catechin in the tea extracts had some effects on anti-oxidant,scavenging free radical,anti-anaphylaxis,antisepticize,dephlogisticate and enhancing immune function.Those biological roles were reviewed in this paper in order to provide some references for finding new nutritional regulation measures and seeking the antibiotic substitutes.