Caffeine Definition–noun Chemistry, Pharmacology. | a white, crystalline, bitter alkaloid, C8H10N4O2, usually derived from coffee or tea: used in medicine chiefly as a nervous system stimulant. |
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From Dictionary
Related topics from Britannicacaffeine
nitrogenous organic compound of the alkaloid group, substances that have marked physiological effects. Caffeine occurs in tea, coffee, guarana, mate, kola nuts, and cacao.theobromine
diuretic drug and major alkaloidal constituent of cocoa. Theobromine is a xanthine alkaloid, a methylxanthine, as are caffeine and theophylline, but it differs from them in having little stimulatory ...
coffee
Caffeine can be removed from the green coffee by a variety of methods. In the most common, solvent extraction, the beans are steamed to raise the moisture content and bring the dissolved caffeine to ...
poison
Drugs for treating asthma, such as theophylline and aminophylline, are structurally similar to caffeine. Like caffeine, which is a stimulant, theophylline and aminophylline also stimulate the central ...
theophylline
alkaloidal drug used in medicine as an antiasthmatic, coronary vasodilator, and diuretic. Theophylline is a xanthine alkaloid, a methylxanthine chemically related to caffeine and theobromine. Along ...
cocoa
Cocoa, a highly concentrated food providing approximately 1,000 calories per kilogram, provides carbohydrates, fat, protein, and minerals. Its theobromine and caffeine content produce a mildly ...
tea
In tea manufacture, the leaf goes through some or all of the stages of withering, rolling, fermentation, and drying. The process has a twofold purpose: (1) to dry the leaf and (2) to allow the ...
pregnancy
An adequate maternal diet is necessary to ensure proper fetal development as well as to maintain the health of the mother. As discussed above, the physiological adjustments of a pregnant woman's body ...
coffee
There are several methods of extracting flavour and aroma from ground coffee. In steeping or boiling, pulverized coffee is measured into hot water, which is set or boiled before being poured off the ...
guarana
(Paullinia cupana), woody, climbing plant, of the soapberry family (Sapindaceae), native to the Amazon Basin. It has a smooth, erect stem; large leaves with five oblong-oval leaflets; clusters of ...
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Related topics from Ask NewsBLOG: The Health Benefits of Caffeine
FOXNews.com - Found Oct. 9, 2008
Caffeine is a drug that is naturally produced in the leaves and seeds of many plants. Caffeine is defined as a drug because it stimulates the ...
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Effect of Caffeine on Myocardial Perfusion Imaging Using Single ...
MDLinx - Found Oct. 9, 2008
- This article reviews the clinical pharmacology of caffeine, adenosine, and dipyridamole and effect of caffeine on myocardial stress testing...
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Group calls for caffeine content labeling
UPI - Found Oct. 7, 2008
WASHINGTON, Oct. 7 (UPI) -- A U.S. non-profit health advocacy group has asked the federal government to require firms to list the caffeine content on ...
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A natural cola with an extra caffeine kick
Chemical Processing.com - Found Oct. 8, 2008
... the only cola that contains both the original kola nut and the coca leaf, and it has a kick with slightly more caffeine than traditional colas.
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Caffeine for Your Voice- and E-Mail
Furniture World Magazine - Found Oct. 8, 2008
Lets face it, we can all use a little jolt during the day. So give your callers a little emotional caffeine in your greeting.
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Caffeine in the vending machine...
Raleigh News & Observer - Found Oct. 4, 2008
Coming soon to a vending machine near you... caffeine! But unlike a can of Coke or a cup of coffee, this caffeine is chewable.
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Testostorone, caffeine fuel election war rooms: vets
Amherst Daily News - Found Sep. 30, 2008
VANCOUVER - The war rooms of the major parties in the election campaign run on a volatile mixture of testosterone, caffeine and sleep deprivation,
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Nutrition Wise: Caffeine as a Diuretic, Body Fat Percentage Scales, ...
Kansas City Infozine - Found Oct. 11, 2008
... caffeine in large amounts can temporarily increase urinary fluid loss, studies show that beverages containing moderate amounts of caffeine...
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Watch out for caffeine-laden Halloween treats
KOMO 4 - Found Oct. 10, 2008
Sports beans have 50 milligrams of caffeine.' Compare that to a Red bull energy drink, which has 80 milligrams of caffeine. Caffeine can...
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How safe is your blast of caffeine?
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Related topics from Technorati |
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