Vodka serves as the basis for some of the most well-known cocktails in the world. Fictional spy James Bond’s iconic martini, the bloody Mary and the screwdriver all owe their kick to vodka. The amount of kick depends on the strength of the vodka which is defined by the percentage of alcohol in the liquid, sometimes expressed as proof.
Strength in Numbers
Vodka is made by distilling fermented agricultural products such as grains, potatoes, fruit or sugar. An alcohol’s strength is based on the amount of pure alcohol in the liquid. Distillers dilute the alcohol from the fermented product with water or other liquids. The alcohol in vodka can range in strength from a minimum of 30 percent of the total volume to 95 percent in grain alcohol.
Here’s the Proof
A liquor’s proof is calculated by doubling the percentage of alcohol in the liquid. So, vodka that contains 30 percent alcohol would be 60 proof. Most vodka is 40 percent alcohol, or 80 proof. Vodka containing 60 percent of the total volume in alcohol is 120 proof.
I’m Not as Thunk as You Drink I Am
The strength -- or percentage of alcohol -- in the drink determines how much alcohol reaches the blood stream. Alcohol is quickly absorbed into the bloodstream by the stomach and small intestine. Blood alcohol concentrations are measured by breath and/or urine tests. The BAC test registers about one-tenth of the concentration in the blood. A 150-pound person consuming 2 ounces of 80 proof alcohol would have a BAC of .037 percent after about 10 minutes. The same person consuming the same amount of 120 proof vodka would have a BAC of .057 percent. In most states, a BAC of .08 percent is considered legally drunk.
In addition to the percentage of alcohol, factors affecting the level of alcohol in the blood after one drink include sex, weight, ethnicity, tolerance and the amount of food in the stomach. A white male weighing 250 pounds who just ate dinner and has been drinking regularly for 25 years will not feel the effects of 120 proof vodka as quickly as a a 110 pound Asian female who ate six hours ago and is celebrating her 21st birthday with a shot of the same alcohol.
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When not working in her family-owned food and bar business, Viola Horne can almost always be found with a cookbook in one hand and a whisk in the other. Horne never tires of entertaining family and friends with both comfort food and unusual delicacies such as garlic cheese smashed potatoes and banana bacon pancakes.
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