A COMPRISING AN EXTRACTS OF FERMENTED DIOSCOREA BATATAS DENCE CONTAINING HIGH GABA CONTENT AND SHOWING ANTI-OXIDATIVE AND ANTI-HYPERTENSIVE ACTIVITY

摘要

The present invention relates to a composition comprising a fermented Dioscorea rhizome powder obtained through two stages of fermentation process or an extract thereof as an active ingredient for anti-oxidation and preventing or treating hypertension. The fermented Dioscorea rhizome extract or powder of the present invention is obtained by first fermentation of Dioscorea rhizome using Monascus sp., second fermenration using lactic acid bacteria, and sterilization and drying processes. The excellent effects of anti-oxidation and prevention and treatment of hypertension are confirmed by measuring DPPH radical scavenging activity, reducing power, and ACE inhibitory activity. Thereby, the fermented Dioscorea rhizome extract or powder can be used for a composition for food, drugs, and quasi-drugs for anti-oxidation and treatment and prevention of hypertension.