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Studies on the essential oil from guarana
H Benoni1, P Dallakian, K Taraz
1Institut für Organische Chemie der Universität Köln, Köln, Germany.
Zeitschrift Fur Lebensmittel-Untersuchung Und -Forschung
|July 1, 1996
Summary
The essential oil of guarana contains estragole and anethole, which may cause its psychoactivity. Aminated metabolites and amphetamines were not detected in urine after guarana consumption.
Area of Science:
- Pharmacology
- Phytochemistry
- Natural Products
Background:
- Guarana (Paullinia cupana) essential oil is traditionally associated with psychoactive effects.
- The chemical composition and psychoactive potential of guarana essential oil require detailed investigation.
Purpose of the Study:
- To identify the chemical constituents of guarana essential oil.
- To investigate the potential contribution of identified compounds and their metabolites to the purported psychoactivity of guarana.
Main Methods:
- Gas chromatography-mass spectrometry (GC-MS) for essential oil analysis.
- Analysis of human urine samples for specific metabolites after oral guarana administration.
Main Results:
- Nine components were identified in the essential oil, including methylbenzenes, cyclic hydrocarbons, methoxyphenylpropenes, and alkylphenol derivatives.
- Estragole and anethole were identified as likely contributors to the essential oil's psychoactivity.
- No aminated metabolites of estragole/anethole, 4-methoxyamphetamine, or tert-aminoketones were detected in urine.
Conclusions:
- The psychoactivity of guarana essential oil is likely linked to estragole and anethole.
- The absence of specific metabolites in urine excludes their contribution to the observed effects.
- Further research may be needed to fully elucidate the mechanism of guarana's psychoactivity.