L-dopa is the major treatment for Parkinson's disease (PD), but its efficacy is limited by the presence of dyskinesia. The dyskinesia develops over a period of exposure to L-dopa and is related to the dosage, therefore, the cause may involve
Excretion of 3,4-dimethoxyphenethylamine (DMPEA) by acute schizophrenics and controls.
A quantitative method for the detection of DMPEA in urine was developed. It is based on the fluorometric determination of DMPEA in the form of its phosphopyridoxyl derivate. The limit of detection is 2 microgram DMPEA per 1 g creatinine.
The Journal of nutrition, 139(12), 2309-2314 (2009-10-09)
Flavonoids are phytochemicals that are widespread in the human diet. Despite limitations in their bioavailability, experimental and epidemiological data suggest health benefits of flavonoid consumption. Valid biomarkers of flavonoid intake may be useful for estimating exposure in a range of
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