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. 1981;61(2):149-50.

Urinary excretion of 5-S-cysteinyldopa in healthy Japanese

T Morishima, S Hanawa
  • PMID: 6165192

Urinary excretion of 5-S-cysteinyldopa in healthy Japanese

T Morishima et al. Acta Derm Venereol. 1981.

Abstract

Urinary excretion of 5-S-cysteinyldopa was investigated in 20 healthy Japanese (10 men and 10 women). The values of excretion varied between 46 and 193 microgram/24 h. The mean (+/- S.D.) was 96 1 +/- 9.8 microgram/24 h. It was higher in the men than in the women, being 13 +/- 15 vis-a-vis 80.8 +/- 11.4 microgram/24 h. This finding indicates that 5-S-cysteinyldopa is formed and excreted by active melanocytes even in Mongoloids. The excretion of dopa and dopamine was found not correlative with the excretion of 5-S-cysteinyldopa.

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