| abstract |
The present invention provides a method for easily and efficiently producing a safer compound which is excellent in the application to pharmaceuticals or foods, such as prevention of symptoms or diseases caused by a decrease in brain function, and which exhibits an improvement effect. Specifically, the present invention provides a method for producing a peptide, which comprises a method for producing a peptide comprising an amino acid sequence represented by any one of SEQ ID NOs: 1 to 4 or 16, and at least One type of lactic acid bacteria and/or a treatment thereof fermentes the animal milk or milk protein, and collects the peptide from the obtained fermented milk. |