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    Chapter

    Degradation of Tryptophan in Neurodegenerative Disorders

    In patients with neurodegenerative disorders, namely Alzheimer’s disease and Huntington’s disease, we compared serum concentrations of tryptophan, kynurenine and the kynurenine per tryptophan ratio with concen...

    B. Widner, F. Leblhuber, J. Walli, G. P. Tilz in Tryptophan, Serotonin, and Melatonin (1999)