Beverage Alcohol Content and Blood Ethanol Concentration

The ethanol concentration of the beverage consumed (Table 7) affects ethanol absorption and can affect BEC. Absorption is fastest when the concentration is 10-30%. Below 10%, the low ethanol concentration in the GI tract reduces diffusion and the greater volume of liquid slows gastric emptying. However, concentrations above 30% irritate the GI mucosa and the pyloric sphincter, increasing secretion of mucous and delaying gastric emptying.

Table 7 Alcohol content of selected beverages

Beverage Alcohol content

Table 7 Alcohol content of selected beverages

Beverage Alcohol content

g/dl (%)

mmol/l

mol/l

Low-strength beers

3-4

650-870

0.65-0.87

High-strength beers

8-9

1740-1960

1.74-1.96

Wine

7-14

1520-3040

1.52-3.04

Brandy

35-45

7610-9780

7.61-9.78

Vodka

35-50

7610-10870

7.61-10.87

Gin

35-50

7610-10870

7.61-10.87

Whisky

35-75

7610-16300

7.61-16.30

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