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Sunday, October 8, 2017

Guaranine, theine

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; which has formed the basis of an origin myth among the Sateré-Mawé people.
Guarana extract reduced aggregation of rabbitplatelets by up to 37 percent below control values and decreased platelet thromboxane formation from arachidonic acid by 78 percent below control values.It is not known if such platelet action has any effect on the risk of heart attack or ischemic stroke.
Preliminary research has shown guarana may affect how quickly the body perceives itself to be full. 
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. Guarana from the Portuguese guaraná Paullinia cupanasyn. P. crysan, P. sorbilis is a climbing plant in the maple family, Sapindaceae, native to the Amazon basin and especially common in Brazil.


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