Summary
The skin of black rats contains less tryptophan than the skin of albino rats, possibly because the activity of tryptophan pyrrolase is higher. The opposite is found in liver, possibly because tryptophan pyrrolase activity is lower in the livers of black rats.
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References
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Acknowledgments. The authors wish to thank Dr S.C. Bhattacharyya and Dr A. K. Barua, Bose Institute, for their interest in the work. The work was supported by the Council of Scientific and Industrial Research, New Delhi.
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Chakraborty, C., Chakraborty, A.K. & Chakraborty, D.P. A comparative study of tryptophan metabolism in skins and livers of black and albino rats. Experientia 40, 363 (1984). https://doi.org/10.1007/BF01952553
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DOI: https://doi.org/10.1007/BF01952553