Measurement of estrogens in cow's milk, human milk, and dairy products.

@article{Wolford1979MeasurementOE,
  title={Measurement of estrogens in cow's milk, human milk, and dairy products.},
  author={S T Wolford and C. J. Argoudelis},
  journal={Journal of dairy science},
  year={1979},
  volume={62 9},
  pages={1458-63}
}
Free natural estrogens in raw and commercial whole milk were quantitated by radioimmunoassay. The ranges of concentration of estrone, estradiol 17-beta, and estriol were 34 to 55, 4 to 14, and 9 to 31 pg/ml. Proportions of active estrogens (estrone and estradiol) in the fat phases of milk by radioactive tracer on separated milk were 80% and 65%. These findings were supported by radioimmunoassay of skim milk and butter. Equilibrium dialysis of skim milk with hydrogen 3 labeled estrogens showed… CONTINUE READING

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