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Always supply
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| Specification: |
Caffeine 12% |
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Standard: |
HPLC |
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Show: |
2158 |
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English Name: |
Guarana |
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Latin Name: |
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Specification: |
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| Caffeine 12% (100% natural Caffeine) |
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Appearance: |
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| light yellow to yellow powder |
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Origin & Technology: |
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The vast majority of guarana is grown in a small area in northern Brazil. Guarana gum or paste is derived from the seeds and is used in herbal supplements.
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Functions: |
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Guarana is useful for:
Athletic performance
Fatigue
Weight loss and obesity
The medicinal virtues of guarana is probably largely due to its high caffeine content. It has 2.5 times more caffeine than from coffee. This may be one of the reasons for its effectiveness in reducing migraine headaches. The tannins act as an astringent to alleviate diarrhea. Guarana extracts were found to inhibit platelet aggregation following either oral or intravenous administration.
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Chemical Composition: |
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Guaranine (which is nearly identical to caffeine) and the closely related alkaloids theobromine and theophylline make up the primary active agents in guarana. Caffeine's effects (and hence those of guaranine) are well known and include stimulating the central nervous system, increasing metabolic rate, and having a mild diuretic effect.
One long-term study found no significant effects on thinking or mental function in humans taking guarana. Caffeine may have adverse effects on the blood vessels and other body systems as well as on a developing fetus, and presumably guaranine would have similar effects. Guarani also contains tannins, which act as astringents and may prevent diarrhea |
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Dose: |
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As with any caffeinated product, guarana may cause insomnia, trembling, anxiety, palpitations, urinary frequency, and hyperactivity.
Guarana should be avoided during pregnancy and lactation.
Long-term use may cause decreased fertility, cardiovascular disease, and several forms of cancer, according to epidemiological studies of caffeine use. |
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Secure Quality: |
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| A cup of guarana, prepared by adding 1-2 grams of crushed seed or resin to 250 ml (1 cup) of water and boiling for ten minutes, can be drunk three times per day. Each cup may provide up to 50 mg of guaranine. |
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Certificate Of Analysis: |
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SPECIFICATION |
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RESULT |
| Assay: |
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for original coa |
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pls send email to us |
| Identification: |
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hzgreensky@21cn.com |
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