Caffeine content

Caffeine Content Within Distinct Types Of Coffee

The type of coffee and preperation methods will greatly affect, the caffeine content of a single serving of java. Ordinarly, a single cup of coffee of about 207 milliliters (7 fluid ounces) or a single shot of espresso of about 30 mL (1oz) can be potentialy contain the following amounts of caffeine:

Drip coffee : 115–175 mg

Espresso : 30 mg

Colombian Espresso : 40 mg

Brewed/Pressed: 80–135 mg

Instant : 65–100 mg

Decaf, brewed : 3–4 mg

Decaf, instant : 2–3 mg

It appears that Drip coffee comes out ahead here . So much for that Espresso shot!