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Guarana: a powerful sexual stimulant

He deserved fame as an aphrodisiac because it is one of the most powerful natural stimulant. Guarana contains a high amount of tannins and caffeine, which displaying action in central nervous system and cardiovascular system. In the brain, stimulates cortical neurons by increasing attention and decreasing fatigue.

Guarana increases the basic metabolism of the cells, acts as a tonic cardiac and circulatory also at the peripheral level, activates the burning of fats and stimulates the catecholamine’s production including the adrenaline. Increase the consumption of oxygen and has a moderate peripheral vasodilatation and diuretic, thus favoring the proper functioning of the male genitalia. The theophylline contained in Guarana also acts at the level of the respiratory system, causing muscle relaxation and promoting bronchial respiration.

Used part Manplus Power: the fruits

Guarana was already known in Europe as a medicinal product long before botanists Humblot, Bonplant and Kunth described the plant at the beginning of last century, having assessed and collected material in Venezuela and Columbia and cataloged as the Paullinia cupana plant H.B.K.
The name Paullinia was established in honor of the botanist who discovered the Danish Paulli first and was used for the genre popular name by which the bush was known in Colombia and Venezuela.

Composition and properties

The chemical examination of guaranà indicates that this Sapindaccea is one of quality vegetable known as the richest in caffeine but unlike the coffee, the substances that accompany Guraranà like caffeine, does not allow absorption. Chemical analysis of guarana seed provides the following composition: Caffeine 4,288, yellow fixed oil 2,950, red resin 7,800, red coloring agent 1,520, coloring agent amorphous 0,050, saponin 0,060, tannic acid, guarana, 5,902, acid pyro guarana 2,750, materials albuminous 2,750, starch 9,350, glucose 0,777, malic acid, mucilage, dextrin 7,407, vegetable fiber 49,125, water 7,650.

Pharmaceutical Preparations recommended

Dry extract Nebulized and titled in caffeine min. 3% (French Pharmacopoeia X). Its daily dosage ranges from 4 to 5 mg. per kg. 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 works primarily on the central nervous system and cardiovascular system.

Activity on the central nervous system

At the level of the brain, Guaranà 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 sensation of fatigue.

The assumption of the active ingredients of this plant by a group of 20 healthy volunteers, orally and at doses gradually increasing (32, 64, 128 and 256 mg. daily in single-dose), has provided evidence of an increased level of attention and reaction time visual already at the lowest quantity determined, without rise to the appearance of side effects until the dose of 128 mg. At the highest dose causing excitability, tremors and insomnia in approximately 5% of subjects.

Activities on the heart

Guarana stimulates the contractile force of the heart in cardiovascular disease, increases the use of oxygen and determines balanced peripheral vasodilator and diuretic action.

Slimming of guarana

The caffeine in guarana helps the body to burn fats located especially in subcutaneous adipose tissue and can therefore be valid during slimming treatments.
The slimming action of this extract is due especially to increase the levels of cyclic AMP which is the largest employer of energy to the cell, consequential to the inhibition of phosphodiesterase that is the compound protein that must delete it.

This activity causes a significantly higher triglyceride lipase enzyme laboriousness, which is stimulated by cyclic AMP and that breaks down fat deposits with lipolytic effect. This sets off an increase in lipolysis with positive results on the reduction of fat deposits placed under the skin. Guaranà is used in the treatment of mental fatigue, cooperating in hypo caloric regimes and to facilitate the renal elimination of liquids. Moreover:

  • Main indications: memory defects, psychic exhaustion, fatigue in general, obesity and overweight
  • Main activity: psychostimulant, anti asthenic
  • More Actions: slimming.
Composition of guarana

Guarana extract contains:

  • Methylxanthines (existing also in coffee, maté, cocoa, cola) among which caffeine conjugated to guaranatina, a substance similar to kolatina (3.6 to 5.8%), theobromine (0.003%) and theophylline (0.28%)
  • Polyphenols (catechin and epicatechin)
  • Saponins, mucilage, starch (5-6%), tannins (8%), lipids (3%), oils and resins (7%)
  • The essential oil of guarana contains two methylbenze-
    nes, a monoterpene cyclic two hydrocarbon cyclic sesquiterpenes, and two derivatives metossifenilpropen alchilfenolic.
The properties of guarana
  • Tonic, invigorating, muscles energizing
  • Anti Amnesie
  • Diuretic, lipolytic and slimming
  • Cardiotonic, antioxidants.

In the Amazonian ethnomedicine, guaranà is the elixir of life with activities tonic, stimulant, anti-fatigue, antidepressant, astringent, febrifugal, tonic - cardiac, diuretic, anti cephalic, lenitive of menstrual pain and rheumatism. Given the presence in caffeine, the action of guarana appears similar to that of the coffee. Caffeine is a purine alkaloid stimulant that triggers an action at the cortical level, maintaining the condition of waking, concentration, conception and programming, reducing the sense of fatigue.

Lipolytic and slimming properties of guarana

The lipolytic effect is explicit to interdiction of phosphodiesterase, increasing cyclic AMP. Caffeine stimulates the adipose tissue by promoting the increase in thermogenesis. It denotes, consequently, an increase in the consumption of energy in the form of heat due to the increased oxidation of nutrients such as fatty acids.

Guarana and diuresis

The theobromine and theophylline release the smooth bronchial muscle structure and act as diuretics. The diuretic effect is due, partly, to a reduction in fluid and electrolyte reabsorption in the field of renal tubules. The assumption of guarana is inappropriate during pregnancy and in cases of high blood pressure, of cardiac disease, gastric ulcer. Guarana may interfere with certain drugs by increasing or decreasing the effect.