日本水産学会誌
Online ISSN : 1349-998X
Print ISSN : 0021-5392
ISSN-L : 0021-5392
水産動物筋肉中の有機燐酸化合物に関する研究-VII
血合筋におけるアデニンヌクレオチドの変化
斎藤 恒行新井 健一矢島 敏克
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1959 年 25 巻 7-9 号 p. 573-575

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The purine compounds from the muscle of some fishes (mackerel, trout and rainbow trout) have been studied by the hydrochloric acid gradient-elution system on Amberlite IRA-400. By the same technique changes have also been followed in the nucleotide composition of rainbow trout muscle which was stored at an ambient temperature of about 0°C. From these studies it has been observed that in red lateral muscle, as compared with dorsal, two specificities are notable. The first is the difference in the total amounts of purine compounds especially those of inosinic acid (IMP). In red lateral muscle less amounts of the purine com-pounds are found than in dorsal muscle. The second is dependent upon the degree of splitting of IMP. In red lateral muscle there is a rapid splitting of IMP as time goes by while in dorsal the same phenomenon as in carp muscle (accumulation of IMP) is observed; as a re-sult, the amounts of inosine and hypoxanthine in the former increase rapidly. This may be due to the more strong activity of 5'-nucleotidase in the former.

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