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you are visiting: home » products » Robur » composition » guaranà


Guaranà: natural ingredient of Robur

Part of the plant used

The used part of the plant guarana (Paullina sorbilis Mat) is the fruit.

General notions

Guaranà: natural ingredient of RoburGuarana was already known in Europe as a medicinal product long before the botanicals Humblot, Bonplant Kunth and spoke of the plant at the beginning of the last century, having assessed and collected material in Venezuela and Columbia and cataloged as the plant Paullinia Cupana HBK The name Paullinia was established in honor of the Danish botanist Paulli who discovered the first and the genus was used the popular name by which the shrub was known in Colombia and Venezuela.

Composition and properties

The chemical examination of guarana Sapindaccea indicates that this is a quality plant known as the richest in caffeine but unlike coffee, substances in guraranà accompany the caffeine, do not allow it to be absorbed. The chemical analysis of the seed of guarana provides the following composition: 4,288 caffeine, 2,950 fixed oil yellow, red resin 7,800, 1,520 red coloring principle, the principle coloring amorphous 0.050, 0.060 saponin, 5,902 tannic acid guarana, guarana 2,750 pyro acid, albuminous materials 2,750, 9,350 starch, glucose, 0.777, malic acid, mucilage, dextrin 7,407, 49.125 vegetable fiber, water 7,650.

Pharmaceutical Preparations recommended

Dry extract standardized in mist and caffeine min. 3% (French Pharmacopoeia X). Its daily dosage ranges from 4 to 5 mg. per kg of body weight, divided into two doses, at 8 am and 16 pm.

Chemical composition

Guarana is a plant rich in purine bases and in particular of caffeine, which is not less than 2.5% of the dry plant.

Therapeutic properties

Caffeine operates mainly on the central nervous system and cardiovascular system.

Activity on the central nervous system

Guaranà: activity on the central nervous systemAt the brain level guarana determines the stimulation of the cells of the cerebral cortex, with the effect of increasing attention, memory and mental performance in general and to reduce the feeling of fatigue.
The assumption of the active ingredients of this plant from a group of 20 healthy volunteers, orally and in gradually increasing doses (32, 64, 128 and 256 mg. Daily in a single dose), has provided evidence of an increased level of attention and reaction time visual already the quantity determined lower, without triggering the onset of side effects up to a dose of 128 mg. At the highest dose causing excitability, insomnia and tremors in about 5% of subjects.

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