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Guarana: revisiting a highly caffeinated plant from the Amazon
Flávia Camila Schimpl1, José Ferreira da Silva, José Francisco de Carvalho Gonçalves
1Departamento de Biologia Vegetal, Instituto de Biologia, CP9109, Universidade Estadual de Campinas, 13083-970, Campinas, SP 13083-970, Brazil.
Guarana, a Brazilian plant, is known for its caffeine content and stimulant properties. Further research into its other bioactive components and potential pharmacological applications is encouraged, especially considering its economic impact on indigenous communities.
Area of Science:
- Ethnobotany
- Pharmacology
- Agro-industry
Background:
- Guarana (Paullinia cupana) is traditionally used by Amazonian indigenous communities.
- Its primary value stems from a high caffeine content (up to 6%) in seeds, conferring stimulant properties.
Purpose of the Study:
- To review the economic aspects, chemical composition, and investigated pharmacological properties of guarana.
- To highlight the need for further research beyond its stimulant effects.
Main Methods:
- This is a review article, synthesizing existing literature.
- No experimental methods were employed.
Main Results:
- Guarana production is concentrated in Brazil, with 70% used in beverages and 30% for powders and raw materials.
- Beyond stimulation, guarana exhibits other therapeutic properties of scientific interest.
Conclusions:
- Further exploration of guarana's properties is warranted, with a need for more research in agronomy, pathology, physiology, and breeding.
- Caffeine remains a key driver for guarana research due to industry demand, but other bioactive components and their pharmacological effects require investigation.
- Improvements in guarana cultivation and research could significantly benefit indigenous Amazonian communities.
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