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Two long term studies of P. Both extracts, however, reversed scopolamine-induced cognitive deficits. The suggested constituents responsible for this action is the tannin, and saponin contents .
Saponins, in particular, are strongly associated with adaptogenic and various other effects. Saponins are be defined as "high molecular weight glycosides combining a sugar element and a steroid aglycone or triterpene molecule" .
The caffeine contained in P. Caffeine has been the subject of many studies on cognitive function, and other effects. With a half-life of only 6 hours, these acute effects may need to be continually consumed to achieve any adaptogenic effects .
Guarana has also been reported that xanthine alkaloids do not build up in the body. This is on track with other xanthine alkaloid containing "adaptogens" such as yerba mate.
Where both traditionally, and modernly, this beverage is consumed throughout the day, often over long periods. The frequent use of Paullinia cupana was associated with lower rates of hypertension, obesity, and metabolic syndrome in seniors compared with those that did not take the botanical .
Though suggested to produce cognitive improvement and adaptogenic effects during long term use, there exists conflicting evidence in this area.
Particularly noted with the effects of long term use of this botanical on cognitive function. One study reportedly showed no significant cognitive improvement in elderly volunteers taking guarana long term, though how long is unknown by the author .
More research is needed to understand further why these contradictory results have been obtained. Perhaps it could be in the amount of processing, such as roasting, and fermenting, and how much the plant has oxidized, that account for this difference in findings.
An aqueous extract of P. Catechins are also contained in high amounts in Camellia sinensis and are well studied as having antiatherosclerotic effects from that plant.
The ethanol extract of Paullinia cupana seeds showed antibacterial effects against both gram-negative, and gram-positive bacteria.
Most notably Pseudomonas aeruginosa, Proteus mirabilis, Proteus vulgaris, and Escherichia coli . These effects were suggested to be due to the polyphenol content in the seeds, most notably catechol, as well as other catechins and epicatechins flavonoids .
Guarana was shown to partially reverse scopolamine-induced amnesia in mice . This is most likely due to the antioxidant profile of guarana.
The antidepressant effects of guarana are thought to be due to its xanthine alkaloid content, which has been shown many times to improve symptoms involved with depression, though it should be noted that very few studies have looked thoroughly at the effects of caffeine and other xanthine alkaloids on mood specifically.
The antihypertensive effects of guarana were noticed in a study done on the effects of long term consumption of guarana by Brazilian seniors.
This study  noted that the alkaloid caffeine has been shown to increase blood pressure, but also noted the low incidence of test subjects in the chronic guarana consumption group over the group that did not consume guarana.
These researchers suggested that this contradiction could be due to the development of tolerance to caffeine, which once achieved, allows caffeine consumption to take place without any increase in blood pressure.
Has been shown to inhibit platelet aggregation, as well as promote weight loss, which in turn lowers the chances of developing cardiovascular diseases .
Other factors are likely due to the antioxidant effects, and vasodilatory effects of guarana. The results of this study reported that there is a significant reduction in cardiovascular events heart valve disease, cardiovascular mortality associated with caffeine consumption in patients without moderate or severe hypertension.
This same study also refers to a study that found that the reduction of sugar in such beverages as coffee, also resulted in a decrease in blood pressure, but noted no relationship between caffeine consumption and blood pressure.
This is important to note because much of the guarana "health drinks" being sold around the world contain large amounts of sugar.
These potent CACC inhibitory effects are suggested to provide strong cardioprotective, as well as antisecretory effects . Researchers investigated the chemoprotective effects of P.
These effects were noted to be through a reduction in cancer cell proliferation and increased apoptosis. Guarana has been shown to produce protective effects against gastric lesions, which is suggested to be due to its polyphenol content caffeic acid, gallic acid, tannic acid .
In guarana, caffeine is by far in the highest concentration of these alkaloids. Guarana is a Brazilian plant native to the Amazon basin. Here are 12 benefits of guarana, all supported by science.
Share on Pinterest. Rich in Antioxidants. Guarana is loaded with compounds that have antioxidant properties. Summary Guarana contains caffeine, theobromine, tannins, saponins, catechins and other compounds that have antioxidant properties.
Can Reduce Fatigue and Improve Focus. Guarana is best known as an ingredient in popular energy drinks. Summary Guarana is rich in caffeine, which can reduce fatigue and improve focus.
May Help You Learn Better. Research has shown that guarana may improve your ability to learn and remember.
Summary Low doses of guarana can improve mood, learning and memory. May Promote Weight Loss. Summary Guarana contains caffeine, which may aid weight loss by boosting metabolism.
Summary The tannins in guarana may relieve diarrhea by preventing water loss. May Boost Heart Health. Guarana may reduce the risk of heart disease in two ways.
Summary Guarana may aid heart health by improving blood flow and preventing blood clots. May Provide Pain Relief.
Historically, guarana was used by Amazonian tribes as a pain reliever. The pain-relieving properties of guarana are due to its high caffeine content.
Caffeine plays a role in pain management, as it binds and blocks adenosine receptors. When caffeine binds to these receptors, it can reduce sensations of pain.
Summary The caffeine in guarana may provide pain relief by blocking adenosine receptors, which are involved in stimulating feelings of pain.
May Improve Skin Appearance. Summary Guarana has antioxidant and antimicrobial properties, making it a common additive in cosmetic products.
May Have Anti-Cancer Properties. Cancer is a disease characterized by the uncontrolled growth of cells. Menstruatia apare la cateva zile dupa incetarea administrarii, de obicei in urmatoarele 3 zile.
Am fost operata acum 2 ani de tiroida a fost scoala in totalitate dar am stari de oboseala f mari, ametesc, dureri de cap cu senzatie de voma.
Mananc cat mai ordonat, echilibrat dar tot cresc in greutate, am 44 ani. Ce imi recomandati pentru oboseala dar naturist care nu ingrasa? Va recomand sa luati Guarana si Mate, un produs care reduce oboseala dar ajuta si la arderea grasimilor.
Luati o capsula dupa micul dejun, si una dupa pranz, nu seara, pentru ca s-ar putea sa aveti dificultati in a adormi.
De asemenea si Coenzima Q10 va poate folosi ca energizant, avand si rol protector pentru sistemul cardio-vascular. Timp de 1 an jumatate totul a fost foarte bine, dar acum a facut o criza posibila de epilesie.
Poate lua Guarana si Mate deoarece este un excitant si cafea nu are voie. Ginsengul siberian este un tonic moderat, fara a creste valorile tensiunii arteriale si fara a produce o stimulare pronuntata a sistemului nervos.
Asa cum scrie si in descrierea fiolelor de ginseng, acesta creste pofta de mancare, deci raspunsul este NU! Retrieved 5 June Retrieved 8 October Retrieved 2 December Retrieved 8 November Food and Agriculture Organization of the United Nations.
Retrieved 5 April Retrieved 3 June Native Yerba Mate. Retrieved 18 July Ma Tea. Retrieved 30 May Retrieved 5 July Journal of Clinical Pathology.
Comparative Studies in Society and History. Your Middle East. Retrieved 6 January Johnson and Wales: Student Food Writing.
Archived from the original PDF on 13 January Retrieved 10 September The Cuban Kitchen 1st ed. Alfred A. Territorio Digital Argentina. Retrieved 24 January Journal of Ethnopharmacology.
Journal of Pharmacy and Pharmacology. J Ethnopharmacol. The table below contains a partial listing of some of the chemicals found in guarana seeds,   although other parts of the plant may contain them as well in varying quantities.
In the United States, guarana fruit powder and seed extract have not been determined for status as " generally recognized as safe " GRAS by the Food and Drug Administration , but rather are approved as food additives for flavor but not non-flavor uses.
Guarana is used in sweetened or carbonated soft drinks and energy drinks , an ingredient of herbal teas or contained in dietary supplement capsules.
South America obtains much of its caffeine from guarana. Brazil, the third-largest consumer of soft drinks in the world,  produces several soft drink brands from the crushed seeds of guarana, and which they use like coffee.
From Wikipedia, the free encyclopedia. The Wall Street Journal. Cultural History of Plants. New York: Routledge.