Pm-ME	P. mutisii methanol extract
MMPs	matrix metalloproteinases
α-MSH	α-melanocyte-stimulating hormone
ROS	reactive oxygen species
KA	kojic acid
L-DOPA	L-3,4-dihydroxyphenylalanine
UV	ultraviolet light
DAPI	6-diamidino-2-phenylindole
H2O2	hydrogen peroxide
MAPK	mitogen-activated protein kinases
ERK	extracellular signal-regulated kinase
JNK	c-Jun-N-terminal kinase
MTT	3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide
ABTS	2,2’-Azino-bis (3-ethylbenzothiazoline-6-sulphonic acid) diammonium salt
AA	ascorbic acid
RT-PCR	reverse transcription-polymerase chain reaction