1963 年 21 巻 5 号 p. 152-154
To find out the Protein score of protein ingested by Japanese people, the essential amino acid intakes was calculated from the data of National Nutrition Survey of Japan in 1959 to 1961, with some of the data of amino acid composition of Japanese foods, recently reported.
According to the result, the limiting amino acids were tryptophan and total of sulfur containing amino acid, and the first limiting amino acid was tryptophan. And the Protein score was 77.6, 77.8, 77.8, respectively.