AAPH	2,2-Azobis(2-methylpropionamidine) dihydrochloride
ABTS•+	2,2-azino-bis-(3-ethylbenzothiazoline-6-sulfonic acid
DPPH•	2,2-diphenyl-1-picrylhydrazyl
FRAP	Ferric reducing antioxidant power
GA	Gallic acid
OS	Oxidative stress
TPTZ	2,4,6-Tripridil-s-triazine
Trolox	6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid
WK	Water kefir
WKG	Water kefir grains
WK-GA	GA-fortified WK
pWK	Pasteurized water kefir
pWK-GA	Pasteurized water kefir with gallic acid