Evaluation of in vitro melanocyte-darkening activities of L-histidyl-L-phenylalanyl-l-arginyl-L-tryptophyl-glycine and its nine stereoisomers in Rana nigromaculata.
D000818:Animals; D001001:Anura; D002110:Caffeine / Q000494:pharmacology; D005998:Glycine / Q000494:pharmacology*; D066298:In Vitro Techniques; D008297:Male; D009074:Melanocyte-Stimulating Hormones / Q000494:pharmacology; D010858:Pigmentation / Q000187:drug effects*; D013053:Spectrophotometry
D002110:Caffeine; D009074:Melanocyte-Stimulating Hormones; D005998:Glycine