Journal of Chemistry / 2016 / Article / Tab 4 / Research Article
Assessment of Physicochemical Properties of Tequila Brands: Authentication and Quality Table 4 Summary of the physicochemical properties of different traditional, spirituous beverages worldwide. (a) pH and ethanol content, (b) specific gravity, viscosity, total soluble solid, total sugar, total solids, reducing sugar, and ascorbic acid, (c) refractive index, titratable acidity, density, conductivity, and alcohol content.
(a) Alcoholic beverage/measure pH Ethanol content Reference Country liquor of India 7.1 [37 ] Sotol (first distillation) 4.4 [20 ] Millet 5.0 [38 ] Maize 4.69 Guinea corn 4.66 Agave sap type 1 6–7.5 [39 ] Agave sap type 2 4.5 Pulque type 1 3–4.2 Pulque type 2 3.5–4.0 Comercial local in Osun state of Nigeria Palm wine 4.3 3.1% [6 ] Ogogoro 6.3 37.6% Fura da nono 5.2 0.3 Burukutu 4.8 4.6% Coconut toddy Fresh toddy 5.5 ± 0.03 0.2 [7 ] Stored toddy 4.5 White wine 2.72–3.9 8.5–14 [40 ] Wine Red wine “Blauer Zweigelt Klassik” 3.6 ± 0.1 11.8 ± 0.4 [10 ] White wine “Grüner Veltliner” 3.5 ± 0.1 11.1 ± 0.1 Ethanol 6.5 ± 0.7 12 Ethiopian traditional beverages Tella 4.00–4.99 3.84–6.48 [15 ] Tej 3.56–3.95 8.94–13.16 Areki 4.30–4.51 33.95–39.90 Cabernet Sauvignon wine Before bottling 3.58 13.1 [5 ] Nonalcoholic beverage from Nigeria Kunu Zaki 5.79 [41 ] Soy milk 6.90 Peach wine 3.90 ± 0.01 8.12 ± 0.03 [14 ] Cynthiana wine Storage at 28°C 4.11 [13 ]
(b) Alcoholic beverage/measure Specific gravity Viscosity Total soluble solid Total sugar Total solids Reducing sugar Ascorbic acid Reference Commercial local in Osun state of Nigeria Palm wine 1.0387 1.9 3.4% 1.3 8.4 mg/100 g [6 ] Ogogoro 0.9897 3–10.7% 0.0 1.2% 0.0 0.0 mg/100 g Fura da nono 1.3180 7.5 21.8% 1.1 17.5 mg/100 g Burukutu 1.0812 0.8 0.2 7.9% 0.2 5.6 mg/100 g Coconut toddy Fresh toddy 14.1 ± 1.4 3.5 mg/100 mL [7 ] Stored toddy 11.4 ± 0.9 5.8 mg/100 mL Ethiopian traditional beverages Tella 1.0038–1.0097 [15 ] Nonalcoholic beverage from Nigeria Kunu Zaki 1.0426 7.247 cts [41 ] Soy milk 1.0249 2.093 cts Agave sap type 1 13–17 g 100 mL−1 [39 ] Agave sap type 2 7 g 100 mL−1
(c) Alcoholic beverage/measure Refractive index Titratable acidity Density (g/dm3 ) Conductivity (μ S/cm) Alcohol content °GL Reference Agave sap type 1 59–100 [39 ] Agave sap type 2 27 Pulque type 1 1.3390–1.3406 Pulque type 2 1.3365–1.3380 Sotol First distillation 35 [20 ] Second distillation 46–50 Ethiopian traditional beverages Tella 1.3353–1.3405 [15 ] Nonalcoholic beverage from Nigeria Kunu Zaki 131.33 g/L 2.30% [41 ] Soy milk 68.54 g/L 1.45% Coconut toddy Fresh toddy 0.75 ± 0.02 [7 ] Stored toddy 1.78 ± 0.02 Peach wine 4.47 ± 0.09 [14 ] Cynthiana wine Storage at 25°C 6 3937 [13 ] White wine 0.9881–1.0103 [40 ]
