Cafeína La cafeína es un psicoactivo alcaloide del grupo de las xantinas, sólido cristalino, blanco y de sabor amargo, que actúa como una droga psicoactiva, levemente disociativa y estimulante por su acción antagonista no selectiva de los receptores de adenosina. La cafeína fue descubierta en 1819 por el químico alemán Friedrich Ferdinand Runge: fue él quien acuñó el término Koffein, un compuesto químico en el café, el cual pasaría posteriormente al español como cafeína. La cafeína recibe también otros nombres relativos a los productos que la contienen, como la guaranina (encontrada en la guaraná), y L-teanina (encontrada en el té), las cuales contienen además algunos alcaloides adicionales como los estimulantes cardíacos teofilina y teobromina y a menudo otros compuestos químicos como los polifenoles, los cuales pueden formar complejos insolubles con la cafeína.
Caffeine Candy, Caffeine Mints, Caffeinated Snacks, and even Caffeine Soap!
For the first time in his life, he ran 10 kilometers in less than 30 minutes. “I remember being really wired before the race,” he said in an e-mail message. “My body was shaking.” From then on, he was a convert. Mr. Caffeine - A Legal Performance Booster
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Cheap Pure Caffeine Powder Extract Details Caffeine, known by its chemical name, trimethylxanthine, is commonly consumed from sources such as coffee, tea, yerba maté, chocolate, as well as many soft drinks and energy drinks. Caffeine Natural Coffee Bean is an anhydrous natural extract of caffeine from coffee beans.
A typical lethal dose of caffeine is 10 grams, although people have survived up to 24g. A shot of espresso has 100mg. So unless you have unusual tolerance, it ought to take a nice round 100 shots, or say 50 double cappucinos, to get to that big cafe in the sky. Caffeine Facts
Caffeine shot 'can reduce mistakes at work' By Daily Mail Reporter UPDATED: 09:30 GMT, 12 May 2010 Performance enhancer: Research has shown a shot of caffeine could reduce errors at work A shot of caffeine can reduce potentially disastrous mistakes made by drowsy shift workers, research has shown. People who work unsocial hours or through the night may suffer a form of 'jet lag' due to disruption of their body clock rhythms. As a result they can become very sleepy when working and prone to mishaps. For some, such as lorry drivers or doctors, this can have serious consequences.
How to Make Caffeine Jello Shots As an alternative to using caffeine powder, you can make your caffeinated shots with an energy drink. Choose a gelatin flavor that complements the flavor of your energy drink. 1Pour 1 cup of the energy drink or your choice into a saucepan. 2Pour the gelatin over the liquid and allow it to bloom for 1 to 2 minutes. 3Heat the gelatin mixture over low heat for 5 minutes, stirring the mixture with a whisk. 4Add the additional 1 cup of energy drink, stirring to combine. 5Place 15 2-ounce (60 ml) shot glasses on a cookie sheet. 6Ladle the gelatin into the shot glasses, dividing the mixture evenly between each glass.
Getting your caffeine buzz started in the shower As the Ars team convenes for two days of meetings in Chicago, we're reaching back into the past to bring you some of our favorite articles from years gone by. Ah, sweet, sweet caffeine. Whether your chosen delivery device is a Triple Red Eye from Starbucks or a liter of Mountain Dew, nothing beats the gentle jolt into full wakefulness provided by the humble C8H10N4O2 molecule. Oral delivery by means of caffeinated liquids has long been the preferred method of getting one's caffeine buzz on. In a cruel twist of fate, some people are unable to brew a pot of coffee, order a latte, or figure out how to open a can of Mountain Dew right after waking up, due to that very same lack of caffeine.
Written by T.R. Reid Over and over, the throbbing chorus of a dance hit explodes out of a battery of seven-foot-tall (2.1-meter-tall) speakers so powerful that the wood dance floor trembles, earthquake style, with every reverberating bass note. Caffeine Article, Caffeinated Drinks Information, Caffeine Facts
January 19, 2005 Question: What do heroin addicts who receive a daily dose of methadone have in common with people who feel they cannot function without that morning cup of caffeine? Answer: They are tending to their addiction—keeping the physical devils of drug withdrawal at bay. As writer T.R. Reid pointed out in his January 2005 National Geographic article, "Caffeine," researchers agree that regular caffeine use triggers a physical dependence, a mild form of addiction. The article describes how some heavy caffeine users grow irritable, get headaches, or feel lethargic when they can't get that coffee, soft drink, energy drink, or cup of tea. Caffeine Addiction Is a Mental Disorder, Doctors Say