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Caffeine source Caffeine (mg/drink) Caffeine (mg/100 ml) ABV Recipe Espresso martini: Espresso, Kahlúa: 217 mg 164 mg 9.8% 1.5 oz espresso (212 mg caffeine), 10 ml sugar syrup, 30 ml Kahlúa (20% ABV. 1.5 oz Kahlúa contains 5 mg of caffeine) [2]), 50 ml vodka (40%) Caffè corretto: Espresso: 212 mg 249 mg 20%
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The caffeine content of cola drinks and most energy drinks can be difficult to determine, because in many cases the labels do not indicate the dose per serving. Caffeine doses in these beverages range from 20 to 30 mg in some soft drinks, up to 350 mg or more in some energy drinks.
More than 55% of THC is excreted in the feces and approximately 20% in the urine. The main metabolite in urine is the ester of glucuronic acid and 11-OH-THC and free THC-COOH. In the feces, mainly 11-OH-THC was detected. [36] Estimates of the elimination half-life of THC are variable. [22]
A caffeine content reduction of at least 97% is required under United States standards. [19] There is less than 0.1% caffeine in decaffeinated coffee and less than 0.3% in decaffeinated instant coffee in Canada. [20] Many coffee companies use high-performance liquid chromatography (HPLC) to measure how much caffeine remains in the coffee beans.
[26] [27] Although benzodiazepines are effective at managing acute caffeine-induced anxiety symptoms, avoiding caffeine is generally recommended rather than increasing benzodiazepine intake. Treatments for caffeine-induced anxiety disorder tend to focus on abstinence from or a reduction of caffeine intake and behavioral therapy . [ 24 ]
Tea contains more caffeine than coffee by dry weight. A typical serving, however, contains much less, since less of the product is used as compared to an equivalent serving of coffee. Also contributing to caffeine content are growing conditions, processing techniques, and other variables. Thus, teas contain varying amounts of caffeine. [243]
Quickly drinking 1.5 L of 0.4% alc/vol beer in an hour resulted in a maximum of 0.0056% BAC in a study of German volunteers. [8] Healthy human kidneys can only excrete 0.8–1.0 L of water per hour, making water intoxication likely to set in before any alcoholic intoxication.