ALE	argan leaves extract
ABTS	2,2’-azinobis-3-ethylbenzothiazoline- 6-sulphonate
BHT	butylated hydroxytoluene
CTE	catechin equivalents
CYE	cyanidin equivalents
DCT	dopachrome tautomerase
DPPH	1,1-diphenyl-2-picrylhydrazyl radical
l-DOPA	l-3,4-dihydroxyphenylalanine
DM	dry matter
GAE	gallic acid equivalents
MITF	microphthalmia-associated transcription factor
α-MSH	alpha-melanocyte stimulating hormone
MTT	3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-tetrazolium bromide
PVDF	polyvinylidene difluoride membrane
QE	quercetin equivalents
RIPA	radioimmunoprecipitation
SDS-PAGE	sodium dodecyl sulfate-polyacrylamide gel electrophoresis
TPC	total phenols content
TFC	total flavonoids content
TRP1	tyrosinase-related protein 1
TYE	tyrosol equivalents
TYR	tyrosinase
UPLC-ESI-HRMS	ultra-performance liquid chromatography–electrospray-ionization-high resolution mass spectrometry