Comparative Evaluation of Physicochemical, Antioxidant, and Sensory Properties of Red Wine as Markers of Its Quality and Authenticity

Table 2

Variations in alcohol, polyphenol, flavonoid, and tannin content of wine samples.

Sample	Alcohol (% ABV)	Polyphenol (mg/L)	Flavonoid (mg/L)	Tannin (mg/L)
FW1
FW2
DW1
DW2

^a,bSignificantly different (). FW1: foreign wine—Spanish; FW2: foreign wine—French; DW1: domestic wine—Owerri; DW2: domestic wine—Aba.