from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A bitter white alkaloid, C8H10N4O2, found in certain plants such as cacao, coffee, kola, and tea, that stimulates the central nervous system and body metabolism and is used in medicine, usually in combination with other drugs, to relieve headaches and treat respiratory conditions in premature infants.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun An
alkaloid, C8H10N4O2, found naturally in teaand coffeeplants which acts as a mild stimulantof the central nervous system.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
While none of the participants were given a drink high in caffeine, the researchers concluded that caffeine is probably more helpful than sugar in staying alert.
In the nectar of grapefruit flowers, however, caffeine is present in much higher concentrations, reaching 94.2 milligrams per liter …
Life management blog Wise Bread takes a look at where caffeine is hiding in various popular foods and drinks we encounter every day, comparing caffeine levels in various coffees, teas, sodas, energy drinks, foods and medications.
Cafergot, a mixture of ergotamine tartrate and caffeine, is used to treat or prevent vascular headaches such as migraine and cluster headaches.
Many people with narcolepsy have tried over-the-counter medications which contain caffeine in an attempt to stay awake.
To use that, you must have a scale that measures to within about 10mg, because 1 gram of caffeine is nearly toxic, you only need about 1/10 of that (one cup of coffee) or a little more.
After oil, caffeine is the biggest driver of our economy.
Also Mmmm. Interstingly, both of these teas are considered low enough in caffeine in Japan to be evening teas.
No caffeine is allowed on the day of the exam, before the test is completed.
Most people have no idea just how much caffeine they consume daily because caffeine is in EVERYTHING -- energy drinks, vitamin waters, cold medicine, candy bars and even chewing gum and potato chips!