Guarana

Guarana In Guarana, as with other plants producing caffeine, the high concentration of caffeine is a defensive toxin that repels pathogens from the berry and its seeds..  Continued Below

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Promotes Energy - Rich Caffeine Source. Guarana (paulinia cupano) is a world famous plant found primarily in the Amazon Jungle. It has been used for centuries by the Brazilian Indians and is commonly referred to as Brazilian Cocoa.

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GUARANA a natural herb imported from Brazil, and has been used for centuries by indigenous people of the Amazon as an energizer.

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Helps Boost Energy. Naturally Occurring Caffeine. Guarana is made from the seeds of the world famous plant Paulinia cupana, found primarily in the Amazon Jungle. Guarana is used traditionally to enhance energy levels.

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Guarana

Guarana Paullinia cupana (syn. P. crysan, P. sorbilis) is a climbing plant in the maple family, Sapindaceae, native to the Amazon basin and especially common in Brazil. Guarana features large leaves and clusters of flowers, and is best known for its fruit, which is about the size of a coffee bean. As a dietary supplement, guarana is an effective stimulant: it contains about twice the caffeine found in coffee beans (about 2–4.5% caffeine in guarana seeds compared to 1–2% for coffee beans).

The guarana fruit's colour ranges from brown to red and contains black seeds which are partly covered by white arils. The colour contrast when the fruit has been split open has been likened to eyeballs; this has formed the basis of a myth.

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According to the Biological Magnetic Resonance Data Bank, guaranine is defined as only the caffeine chemical in guarana, it is identical to the caffeine chemical derived from other sources, for example coffee, tea, and maté. Guaranine, theine, and mateine are all synonyms for caffeine when the definitions of those words include none of the properties and chemicals of their host plants except the chemical caffeine. Natural sources of caffeine contain widely varying mixtures of xanthine alkaloids other than caffeine, including the cardiac stimulants theophylline and theobromine and other substances such as polyphenols which can form insoluble complexes with caffeine. The main polyphenols found in guarana are (+)-catechin and (-)-epicatechin.

Uses

Guarana is used in sweetened or carbonated soft drinks and energy shots, an ingredient of herbal tea or contained in capsules. Generally, South America obtains most of its caffeine from guarana.

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Brazil, which is the third-largest consumer of soft drinks in the world, produces several soft drink brands from guarana extract. The Portuguese word "Guaraná" is widely used in Brazil as a synonym of "soda". Brazilian sales of guarana beverages exceed those of cola drinks.

Cognitive effects

As guarana is rich in caffeine, it is of interest for its potential effects on cognition. In rats, guarana increased memory retention and physical endurance when compared with a placebo.

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Other uses and side-effects

In the United States, guarana has the status of possibly being generally recognized as safe.

Other laboratory studies showed antioxidant and antibacterial effects, and also fat cell reduction in mice (when combined with conjugated linoleic acid) from chronic intake of guarana.

From anecdotal evidence of excessive consumption of energy drinks, guarana may contribute (alone or in combination with caffeine and taurine) to onset of seizures in some people. *

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Read an article in Wikipedia with references and links Feb 11, 2011

* Guarana. (2011, February 3). In Wikipedia, The Free Encyclopedia.

Retrieved 23:59, February 11, 2011, from

http://en.wikipedia.org/w/index.php?title=

Guarana&oldid=411807484

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Guarana

Guarana is a substance similar to coffee and tea, only in that it contains a substance that is like caffeine. That substance is guaranine and it is also a stimulant.

Guaranine has been known to delay sleep, impair appetite, and can quicken perceptions.

If you intake enough of it, you can also become jittery lke when you drink too much coffee.

Guarana is an energizer but can also increase heart rate and may even increase blood pressure.

Guarana is in many popular drinks.

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