Look up: caffeine


  1. caffeine
    [n] - a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects
    Found op http://www.webdictionary.co.uk/definition.php?query=caffeine

  2. Caffeine
    The drug contained in coffee and tea. This is the stuff that makes coffee so addictive. It stimulates the central nervous system and, in the right amounts, causes adrenaline to be released and can enhance heart function. It helps with intellect, defends the body, and can even enhance sex! See the ca...
    Found op http://www.realcoffee.co.uk/Article.html?Cat=Trivia&Page=4

  3. Caffeine
    Photograph of a caffeine molecular model, courtesy of Indigo® Instruments.A substance found in tea, coffee, and cola that acts as a stimulant. It is extremely soluble in supercritical fluid carbon dioxide and somewhat soluble in water; aqueous solutions of caffeine quickly break down. Symbol C...
    Found op http://www.diracdelta.co.uk/science/source/c/a/caffeine/source.html

  4. caffeine
    (C8H10N4O2) methyltheobromine; guaranine; 1,3,7-trimethylxanthine; 1,3,7-trimethyl-2,6-dioxopurine. A substance found in tea, coffee, and cola that acts as a stimulant. It is extremely soluble in supercritical fluid carbon dioxide and somewhat soluble in ...
    Found op http://antoine.frostburg.edu/chem/senese/101/glossary/c.shtml

  5. Caffeine
    Caffeine: A stimulant found naturally in coffee beans, tea leaves, cocoa beans (chocolate) and kola nuts (cola) and added to soft drinks, foods, and medicines. A cup of coffee has 100-250 milligrams of caffeine. Black tea brewed for 4 minutes has 40-100 milligrams. Green tea has one-third as much ca...
    Found op http://www.medterms.com/script/main/art.html?articlekey=11068

  6. caffeine
    A xanthine derivative that elevates cAMP levels in cells by inhibiting phosphodiesterases.
    Found op http://www.encyclo.co.uk/visitor-contributions.php

  7. Caffeine
    Caf·fe'ine noun [ Confer French caféine . See Coffee .] (Chemistry) A white, bitter, crystallizable substance, obtained from coffee. It is identical with the alkaloid theine from tea leaves, and with guaranine from g...
    Found op http://www.encyclo.co.uk/webster/C/5

  8. caffeine
    <chemical> A xanthine derivative that elevates cAMP levels in cells by inhibiting phosphodiesterases. ... (18 Nov 1997) ...
    Found op http://www.mondofacto.com/facts/dictionary?caffeine

  9. caffeine
    caffein noun a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects
    Found op http://wordnetweb.princeton.edu/perl/webwn?s=caffeine

  10. caffeine
    (kă-fēn´) (kaf´ēn) a xanthine compound found in coffee, tea, chocolate, and colas; it is a central nervous system stimulant, diuretic, striated muscle stimulant, and acts on the cardiovascular system. As the base or the citrate salt, it is used as a central nervous system stimulant ...
    Found op http://www.encyclo.co.uk/local/21001

  11. Caffeine
    • (n.) A white, bitter, crystallizable substance, obtained from coffee. It is identical with the alkaloid theine from tea leaves, and with guaranine from guarana.
    Found op http://thinkexist.com/dictionary/meaning/caffeine/

  12. caffeine
    nitrogenous organic compound of the alkaloid group, substances that have marked physiological effects. Caffeine occurs in tea, coffee, guarana, ... [9 related articles]
    Found op http://www.britannica.com/eb/a-z/c/4



  1. Caffeine
    C8H10N4O2 Molar mass: 194.1906
    Found op http://www.convertunits.com/molarmass/Caffeine

  2. Caffeine
    [disambiguation] Caffeine is the name of an alkaloid present in certain plants, such as coffee and tea. Caffeine can also refer to: ...
    Found op http://en.wikipedia.org/wiki/Caffeine_(disambiguation)

  3. Caffeine
    [film] ==Plot== The staff and customers of the cafe get an extra "jolt" with their coffee when a commitment-shy man has a public fight with his angry ex-girlfriend, instigating a series of revelations about the eavesdropping couples nearby and their own "unusual" relationships; filled with e...
    Found op http://en.wikipedia.org/wiki/Caffeine_(film)

  4. Caffeine
    Caffeine (Theine or methyl-theobromine) is a white, bitter, crystalline alkaloid usually derived from coffee or tea and used in medicine as a nervous system stimulant. It was discovered in coffee by Runge in 1820, and in tea by Oudry in 1827.
    Found op http://www.probertencyclopaedia.com/browse/GC.HTM

  5. caffeine
    Type: Term Pronunciation: kaf′ēn Definitions: 1. An alkaloid obtained from the dried leaves of Thea sinensis, tea, or the dried seeds of Coffea arabica, coffee; used as a central nervous system stimulant, diuretic, circulatory and respiratory stimulant. Synonyms: guaranine, thein
    Found op http://www.medilexicon.com/medicaldictionary.php?t=13209

  6. Caffeine
    Caffeine is a bitter, white crystalline xanthine alkaloid that acts as a stimulant drug. Caffeine is found in varying quantities in the seeds, leaves, and fruit of some plants, where it acts as a natural pesticide that paralyzes and kills certain insects feeding on the plants. It is most commonly c...
    Found op http://en.wikipedia.org/wiki/Caffeine

  7. caffeine
    Or trimethylxanthine (C8H10N4O2), an alkaloid extracted from coffee, and also found in tea, cocoa, and cola. Caffeine stimulates the central nervous system and heart, and is a diuretic. It increases alertness...
    Found op http://www.daviddarling.info/encyclopedia/C/caffeine.html

  8. Caffeine
    A stimulating compound found in tea.
    Found op http://www.hungrymonster.com/Foodfacts/Tea_Glossary.cfm

  9. Caffeine
    An alkaloid that can be found in coffee, tea, soft drinks, chocolate, medications and a variety of other foods. Consuming large amounts of caffeine during pregnancy has been linked to birth defects in the fetus. A nursing mother should avoid or limit the amount of caffeine she consumes while breastf...
    Found op http://www.pregnology.com/AZ/C/1

  10. caffeine
    caffeine (kăfēn') , odorless, slightly bitter alkaloid found in coffee, tea, kola nuts (see cola), ilex plants (the source of the Latin American drink maté), and, in small amounts, in cocoa (see cacao). It can also be prepared synthetically from uric acid. While relatively har...
    Found op http://www.infoplease.com/ce6/sci/A0809792.html

  11. caffeine
    Alkaloid organic substance found in tea, coffee, and kola nuts; it stimulates the heart and central nervous system. When isolated, it is a bitter crystalline compound, C8H10N4O2. Too much caffeine (more than six average-size cups of tea or coffee a d...
    Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0009927.html

  12. caffeine
    A substance found in the leaves and beans of the coffee tree, in tea, yerba mate, guarana berries, and in small amounts in cocoa. It can also be made in the laboratory, and is added to some soft drinks, foods, and medicines. Caffeine increases brain activity, alertness, attention, and energy. It may...
    Found op http://www.cancer.gov/dictionary?expand=C

  13. caffeine
    stimulating compound present in tea
    Found op http://www.tealand.com/Glossary.htm

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