| abstract |
The subject of the present invention is to provide medicines, foods and beverages, and feeds that effectively prevent and/or improve the reduction in memory-learning ability associated with aging (aging). The solution of the present invention is to provide a novel lactic acid bacteria, which has the effect of preventing and/or improving the memory-learning ability reduction caused by aging (aging). More specifically, the lactic acid bacteria are heterofermentative lactic acid bacteria of the genus Lactobacillus , and more specifically, the lactic acid bacteria belong to the species of Lactobacillus harbinensis , Lactobacillus rhamnosus , Lactobacillus casei (Lactobacillus casei), Lactobacillus paracasei , Lactobacillus fermentum , Lactobacillus mucosae , Lactobacillus reuteri Lactic acid bacteria of any kind. |