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  • Title: [Problem of assimilation of isolated fish protein].
    Author: Prokopenko OV.
    Journal: Vopr Pitan; 1991; (3):30-5. PubMed ID: 1926813.
    Abstract:
    Ion-exchange chromatography was used to study the content of free amino acids in the blood serum of the portal and hepatic veins 0.5, 1, 2 and 3 h after oral administration of isolated fish protein (IFP) to white rats. The rate of IFP decomposition was estimated in the system of immobilized enzymes. It has been found that all amino acids of IFP are accessible and well assimilated in the body. Concentrations of arginine, lysine, ornithine, ramified and aromatic amino acids reached their maximum values more rapidly after administration of IFP than casein. However, the process of IFP production led to the reduction of the isolate digestion rate under the effect of peptidases as compared to the untreated fish and casein, as the result of which the total content of IFP amino acids in the blood was decreased 2 h after IFP administration, and the time of the isolated protein digestion in the body was extended.
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