GINSENG COMPOSITION FOR PREVENTING OR IMPROVING THE LOWERING OF CONCENTRATION AND MEMORY CAPABILITY

摘要

The present invention relates to a ginseng composition equally comprising more than a certain amount of 10 kinds of ginsenoside in ginseng having particular pharmacological effect; or a composition for the prevention or improvement of lowering of concentration and memory capability comprising ginsenoside Rg3, Rg5 or RkI; a use thereof; a method for the prevention or improvement of lowering of concentration and memory capability by administrating the above composition; and a method for preparing agents for the prevention or improvement of lowering of concentration and memory capability by extracting ginseng etc. or mixing 10 kinds of ginsenoside in ginseng.