MIXTURE OF D-SERINE AND CAFFEINE AND FUNCTIONAL FOOD COMPOSITION CONTAINING SAME, FOR EFFECT OF PREVENTING DECLINE OF LEARNING ABILITY OR MEMORY CAUSED BY STRESS, AND EFFECT OF ENHANCING LEARNING ABILITY OR MEMORY

摘要

The present invention relates to a mixture comprising D-serine and caffeine as effective components in order to reduce an effect of preventing or avoiding the decline of learning ability or memory caused by stress and to have an effect of reducing the influence of stress and enhancing learning ability or memory; and further to the provision of a functional food comprising the mixture.