α-MSH	α-Melanocyte-stimulating hormone
Arg	arginine
CREB	cAMP response element-binding protein
DMEM	Dulbecco’s modified Eagle’s medium
DMSO	dimethyl sulfoxide
EtOAc	ethyl acetate
FBS	fetal bovine serum
Gln	glutamine
His	histidine
HPLC	high performance liquid chromatography
hTRP-1	human tyrosinase-related protein-1
IC50	inhibitory concentration 50
L-DOPA	L-3,4-dihydroxyphenylalanine
Met	methionine
MITF MPLC	microphthalmia-associated transcription factor medium pressure liquid chromatography
MTT	3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide
OQ	3,7-dioleylquercetin
PBS	phosphate-buffered saline
p-CREB	phosphorylation of cAMP response element-binding protein
Phe	phenylalanine
PKA	protein kinase A
p-PKA	phosphorylation of protein kinase A
PTU	1-phenyl-2-thiourea
Q	quercetin
RT-PCR	reverse transcription polymerase chain reaction
Thr	threonine
TRP-1	tyrosinase-related protein-1
TRP-2	tyrosinase-related protein-2
Val	valine