
Keywords: UVB، اشعه ماوراء بنفش B; 6(OH)M, 6-hydroxymelatonin; AFMK, N1-acetyl-N2-formyl-5-methoxykynuramine; 5MT, 5-methoxytryptamine; yo, years old; UVB, ultraviolet B; FBS, fetal bovine serum; TCA, trichloroacetic acid; SDS, sodium dodecyl sulfate; ESI, electrospray ionization; MS, mass