Amino acid compositions of Ginjyo-shu, Junmai-shu, Honjyozo-shu, and Futsu-shu were investigated.Resultant data were analyzed statistically. The composition and content of amino acids fluctuated heavily between samples. Furthermore, the distinction function producing the variable six amino acids, glutamine, proline, lysine, glutamic acid, alanine and hystidine, was obtained by distinction analysis. The distinction accuracy by the obtained distinction function was over 80%.
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