摂食ラットにおける耳下腺アミラーゼの胃内不活性化率の算定

概要

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The inactivation rate of parotid amylase in the stomach during feeding was estimated in rats fed a pelleted or powdered diet. After 1 h of feeding, the inactivation rate of parotid amylase in the stomach was 36.4±8.5% in the rats fed the pelleted diet, and it was 13.1±14.8% in the rats fed the powdered diet. The pH in the gastric contents of the rats fed the powdered diet. (6.61±0.05) was significantly higher than that of the rats fed the pelleted diet (6.21±0.03). The reducing sugar concentration in the gastric contents was 248±13mM in the rats fed the powdered diet, and it was not statistically different from that in the rats fed the pelleted diet (242±4mM). The higher pH in the gastric contents of the rats fed the powdered diet may explain the lower inactivation rate of parotid amylase.
北海道医療大学の論文
1999-06-30