SSP4	sulfane sulfur probe 4
CARS2	cysteinyl-tRNA synthetase 2
CBS	cystathionine β-synthase
CSE	cystathionine γ-lyase
MPST	3-mercaptopyruvate sulfurtransferase
NRF2	nuclear factor E2-related factor 2
CysSSH	cysteine persulfide
CysSSSCys	cysteine trisulfide
GSSH	glutathione persulfide
GSSSG	glutathione trisulfide
EGCG	(−)-epigallocatechin gallate
ECG	(−)-epicatechin gallate
NHEKs	Normal human epidermal keratinocytes
qPCR	Quantitative polymerase chain reaction
HPLC	High-performance liquid chromatography
EGC	(−)-epigallocatechin
C	(+)-catechin
CF	caffeine
EC	(−)-epicatechin
PDA	Photodiode Array
AzMC	7-azido-4-methylcoumarin
SD	standard deviation