Guarana, a herbal extract from the seeds of Paullinia cupana Mart. has been evaluated in comparison with caffeine on mouse behaviour in forced swimming and open field tests. Guarana (25 and 50 mg/kg, p.o.) and caffeine (10 and 20 mg/kg, p.o.) each significantly reduced the duration of immobility in
The aim of the present study was to investigate the pharmacological properties of the crude lyophilized extract (EBPC) of Paullinia cupana seeds (guaraná) and the semi-purified extracts (EPA and EPB) after acute or chronic administration by the oral route in rats. Anxiolytic-like,
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