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  • Title: Fate of the antinutritive proteins of soyabean in the ovine gut.
    Author: Baintner K, Farningham DA, Bruce LA, MacRae JC, Pusztai A.
    Journal: Zentralbl Veterinarmed A; 1993 Aug; 40(6):427-31. PubMed ID: 8237176.
    Abstract:
    Defatted raw soyabean flour was administered intraruminally at a level of 10 g/kg body weight to a sheep fitted with ruminal, duodenal, and ileal cannulas. Soyabean lectin and trypsin inhibitor appeared in the duodenum within one hour, both reached the terminal ileum and disappeared within 24 hours. The passage of the lectin along the gut progressively lagged behind that of the inhibitor, which indicates that the lectin binds to the intestinal surface. The effect of the inhibitors was neutralized by a marked pancreatic hypersecretion. Contrary to earlier assumptions, the antinutritional proteins were not effectively degraded in the forestomachs.
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