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Research article

First published 2007-01

A double-blind,placebo-controlled,multi-dose evaluation of the acute behavioural effects of guaraná in humans

C. F. Haskell, D. O. Kennedy, K. A. Wesnes [...]

Journal of Psychopharmacology

Open access

Research article

First published 2025-6

Guaraná’s forgotten history: The rise and fall of an Indigenous Brazilian phytotherapy in Anglo-American medicine

Seth Garfield

History of Science

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Research article

First published 1998-2

Solid/liquid extraction of caffeine from guaraná with methylene chloride/Extracción solido-liquido de cafeina de guarana con cloruro de metileno

G.J. Hulbert, R.N. Biswal, C.B. Mehr [...]

Food Science and Technology International

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Research article

First published 2009-04

Effectiveness of Guaraná ( Paullinia cupana ) for Postradiation Fatigue and Depression: Results of a Pilot Double-Blind Randomized Study

Vanessa da Costa Miranda, Damila Cristina Trufelli, Juliana Santos [...]

Journal of Integrative and Complementary Medicine

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Research article

First published 2011-06

Guarana ( Paullinia cupana ) Improves Fatigue in Breast Cancer Patients Undergoing Systemic Chemotherapy

Maira Paschoin de Oliveira Campos, Rachel Riechelmann, Lourdes Conceição Martins [...]

Journal of Integrative and Complementary Medicine

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Research article

First published 2026

Null objects in Paraguayan Spanish and Guarani

Josefina Bittar

International Journal of Bilingualism

Free access

Review article

First published 2011-9

Paullinia cupana Mart. var. Sorbilis protects human dopaminergic neuroblastoma SH-SY5Y cell line against rotenone-induced cytotoxicity

Diêgo Madureira de Oliveira, George Barreto, Pablo Galeano [...]

Human & Experimental Toxicology

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Research article

First published 2017-7

Out of Amazonia: Late-Holocene climate change and the Tupi–Guarani trans-continental expansion

José Iriarte, Richard J Smith, Jonas Gregorio de Souza [...]

The Holocene

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Research article

First published 2024-6

Intonational and Syntactic Innovations in a Language Contact Situation: An Explorative Study of Yes/No Questions in Paraguayan Guarani–Spanish Bilinguals

Andrea Pešková

Language and Speech

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Research article

First published 2023-10

Manipulation of unfolded protein response by zoonotic vaccinia virus strains Guarani P1 and Passatempo

Karine Lima Lourenço, Thiago Lima Leão, Cid Oliveira de Queiroz [...]

Experimental Biology and Medicine

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