カツオの生化学的研究-III : 幽門垂エキスの窒素化合物について

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In the previous paper authors had reported that much amount of extract (moreover 70% in dry matter) and aluminium was contained in pyloric coeca of skipjack, however in this experiment they studied on the distribution of nitrogen compound and the variation of its component occurred by acid hydrolysis, and at the same time they tried to analyse this extract by the fractionally analytical method which was already known as Wasteneys incomplete protein hydrolysates, (3), and obtained the following result. 1) As dry matter about 58.62% of amino acid was included in this extract, but it increased to 73.79% by acid hydrolysis, and they ascertained to contain much amount of higher molecu ?? ar nitrogen component in pyloric coeca. 2) Main component of this extract was not protein, but peptone, subpeptone and poly peptide. 3) It was very easy to hydrolyse the extract, when they used HCl for reagent, hydrolysation completed within 30 minutes.
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