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Effect of low-protein diet and its duration on hair composition

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Summary

The effect of feeding a low-protein diet (1 %) and its duration (4, 8, 12 and 16 weeks) on the protein content and amino-acid pattern of hair were studied. These changes were compared with control groups fed an adequate protein diet (16 %).

Protein content of hair was diminished in the protein-deficient rats after four weeks followed by a gradual decrease till the end of the experiment. Sulphur-containing amino acids, cystine and cysteine, were significantly reduced in the hair of the protein-deficient rats when compared with the normal controls.

The amino-acid pattern showed significant differences from controls by the end of the whole experimental period.

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Author notes

  1. O. M. Metwalli, S. I. Salem & S. L. Abdel-Razik

    Present address: Department of Food Science and Nutrition, National Research Centre, Cairo, Egypt

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    1. O. M. Metwalli
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    2. S. I. Salem
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    3. S. L. Abdel-Razik
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    Metwalli, O.M., Salem, S.I. & Abdel-Razik, S.L. Effect of low-protein diet and its duration on hair composition. Z Ernährungswiss 16, 241–247 (1977). https://doi.org/10.1007/BF02023703

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