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Schweigert BS, Sauberlich HE, Elvehjem CA. THE FREE TRYPTOPHANE CONTENT OF HUMAN URINE. Science. 1945;102(2646):275-7doi: 10.1126/science.102.2646.275.
Schweigert, B. S., Sauberlich, H. E., & Elvehjem, C. A. (1945). THE FREE TRYPTOPHANE CONTENT OF HUMAN URINE. Science (New York, N.Y.), 102(2646), 275-7. https://doi.org/10.1126/science.102.2646.275
Schweigert, B S, et al. "THE FREE TRYPTOPHANE CONTENT OF HUMAN URINE." Science (New York, N.Y.) vol. 102,2646 (1945): 275-7. doi: https://doi.org/10.1126/science.102.2646.275
Schweigert BS, Sauberlich HE, Elvehjem CA. THE FREE TRYPTOPHANE CONTENT OF HUMAN URINE. Science. 1945 Sep 14;102(2646):275-7. doi: 10.1126/science.102.2646.275. PMID: 17731401.
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Science. 1945 Sep 14;102(2646):275-7. doi: 10.1126/science.102.2646.275.

THE FREE TRYPTOPHANE CONTENT OF HUMAN URINE.

Science (New York, N.Y.)

B S Schweigert, H E Sauberlich, C A Elvehjem

PMID: 17731401 DOI: 10.1126/science.102.2646.275

Abstract

The amount of 1-tryptophane excreted per day by 9 different normal male subjects was determined by a microbiological method with L. arabinosus as the test organism. From 12-30 mg per day were excreted as contrasted to an average value of 281 mg per day reported by Albanese and Frankston. A negligible amount of indole in the urine could be demonstrated. Satisfactory values and recoveries of 1-tryptophane were obtained at different levels of the test sample.

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