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Keywords:

  • Human milk;
  • bovine β-lactoglobulin;
  • radioimmunoassay;
  • infantile colic

ABSTRACT. Human milk from 38 mothers was analysed by radioimmunological method for content of bovine (5-Iactoglobulin. Detectable amounts (5-33 μg/1) of immunoactive β-lactoglobulin were found in 18 human milk samples. Milk from 3 mothers, whose infants suffered from infantile colic contained high amounts of fi-lactoglobulin (32, 18 and 14 μg/1 respectively). With the mothers on a cow's milk free diet the contents fell to non-detectable amounts in two mothers and to 6 μg/1 in the third. All three infants became free from colic,