COMPARATIVE ANALYSIS ON IMMUNITY OF VOLLEYBALL PLAYERS BEFORE AND AFTER TAKING GRAPE PROCYANIDINS SPORTS SUPPLEMENT

ABSTRACT Grape proanthocyanidin is a good health product, without side effects and excellent biological activity, but research in the field of sports tonic still relatively slow. Currently, technology preparation extraction grape proanthocyanidins mature. This fact laid groundwork for research. study first described structure grapes, built immune system volleyball players before after taking supplements. He then analyzed factors that influence immunity. The results show primary index subsystem consistent with total each phase, there are few differences over time, which can be divided into four phases: development, recession, recovery stability; at level scientific training it reasonable. Male female athletes take exercise supplements containing training. Regarding humoral immunity cellular immunity, was no adverse reaction. may offer some reference value other as supplement.