QUALITY OF KOMBU, EDIBLE SEAWEEDS BELONGING TO THE LAMINARIACEAE-III
昆布の品質-III

Keiichi OISHI, Yuko TAMURA, Atsushi OYAMATSU, Eiji KANAI, Ayako OKUMURA, Kiichi MURATA
1961 Nippon Suisan Gakkaishi  
Total nitrogen (TN) and amino nitrogen (AN) of kombu extractives extracted with 70% ethyl alcohol were quantitatively determined (Table 1) . By means of computing the coefficient of rank correlation (r), the contents and the ratio of both nitrogens (AN/TN) were compared with market price and the quality which was evaluated in the previous paper1). Most of them, except the relation between AN/TN and market price, were found to correlate highly to each other. By studying the difference of first
more » ... fference of first year and second year plants, the locality of harvest and the sampling parts of the plant, it was ascertained that the contents of TN, AN and the ratio of AN/TN are higher in good quality kombu than in the poor.
doi:10.2331/suisan.27.598 fatcat:kp7r34x5h5ftthem5akxncocge