Table 1.
Compar ison of physicochemical proper ties of grape concentration and grape alcohol fermentation for vinegar fermentation

Grape concentration (20°Brix) Initial sugar content (°Brix)
20 30
Sugar content (°Brix) 20.0±0.01) 6.4±0.0 12.6±0.0
Alcohol content (%) ND 10.8±0.1 16.6±0.1
Titratable acidity (%) 0.7±0.0 0.9±0.1 1.1±0.0
pH 3.9±0.0 3.5±0.0 4.1±0.0
Values are means±SD (n=3).