Letter | Published:

Formation of Histamine in Ruminal Fluid

Naturevolume 199pages829830 (1963) | Download Citation

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Abstract

HISTIDINE and other amino-acids normally undergo deamination in ruminal fluid1, and decarboxylation with the formation of histamine does not normally occur in the rumen to any great extent. When sheep or cattle are fed a diet containing excessive amounts of carbohydrate, however, the histamine content of ruminal fluid may increase considerably and concentrations > 70 µg/ml. have been recorded2. Van der Horst3 has shown that the concentration of amino-acids and amines in ruminal fluid can be increased by incubation with glucose.

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References

  1. 1

    Lewis, D., Brit. J. Nutr., 9, 215 (1955).

  2. 2

    Dain, J. A., Neal, A. L., and Dougherty, R. W., J. Anim. Sci., 14, 930 (1955).

  3. 3

    Van der Horst, C. J. G., Nature, 191, 73 (1961).

  4. 4

    Blaschko, H., Ciba Found. Symp. Histamine, 202 (Churchill, London, 1956).

  5. 5

    Broberg, G., Acute Overeating with Cereals in Ruminants (A. B. Lavisa Nya Tryckeri, Lavisa, Finland, 1960).

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Affiliations

  1. University of Glasgow Veterinary Hospital, Bearsden, Glasgow

    • J. SANFORD

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https://doi.org/10.1038/199829a0

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