1965 年 31 巻 1 号 p. 60-64
The action of the pyloric caeca of Alaska pollock was examined in connection with temperature and pH relation, effect of heating, and betaine and choline if they might be the precursor of FA and DMA.
Betaine and choline proved not to be the precursor of the two compounds.
And, a limited range of both temperature and pH value for good yield of FA and DMA from TMO by pyloric caeca suspension, as well as a complete inactivation of the action by heating at 100C for 5 minutes, revealed that a most probable agent involved in this reaction is a specific enzyme.