ZAV	Zhenjiang aromatic vinegar
ABTS	2,2’-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid)
DPPH	2,2-diphenyl-1-picrylhydrazyl
FRAP	ferric reducing antioxidant power
HPLC	high performance liquid chromatography
TPC	total phenolic content
TFC	total flavonoid content
TAA	total antioxidant activity
TEAC	Trolox equivalent antioxidant capacity
AF	alcohol fermentation
AAF	acetic acid fermentation
AP	aging process