Title : Design of novel hybrid vitamin C derivatives: thermal stability and biological activity.

Pub. Date : 1996 Sep

PMID : 8855360






3 Functional Relationships(s)
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1 Novel hybrid L-ascorbic acid (vitamin C) derivatives with other biologically active substances, 5-hydroxy-2-hydroxymethyl-beta-pyrone (kojic acid) and alpha-tocopherol (vitamin E), linked at the C-2 or C-3 hydroxyl group were synthesized, and their thermal stability and inhibitory effects on tyrosinase activity, active oxygen species (AOS), and free radicals were estimated in vitro. Ascorbic Acid tyrosinase Homo sapiens
2 Novel hybrid L-ascorbic acid (vitamin C) derivatives with other biologically active substances, 5-hydroxy-2-hydroxymethyl-beta-pyrone (kojic acid) and alpha-tocopherol (vitamin E), linked at the C-2 or C-3 hydroxyl group were synthesized, and their thermal stability and inhibitory effects on tyrosinase activity, active oxygen species (AOS), and free radicals were estimated in vitro. Ascorbic Acid tyrosinase Homo sapiens
3 Compound 2 exhibited almost the same inhibitory activities against tyrosinase-catalyzed melanin formation, AOS, and free radicals as typical lipophilic derivatives, although these biological activities of 2 were lower than those of vitamin C. Ascorbic Acid tyrosinase Homo sapiens