During aging, there is a marked decline in the antioxidant capacity of brain tissue, leading to
a gradual loss of the antioxidant/oxidant balance, which causes oxidative damage. The …

Background. Excessive consumption of soft drinks (SD) has become a health problem
worldwide due to its association with related cardiovascular diseases. We investigated the …

In this sweeping chronicle of guarana—a glossy-leaved Amazonian vine packed with more
caffeine than any other plant—Seth Garfield develops a wide-ranging approach to the …

The current intense production of biological data, generated by sequencing techniques, has
created an ever-growing volume of unanalyzed data. We reevaluated data produced by the …

Guarana, the fruit of Paullinia cupana, is known for its stimulating and medicinal properties
by the Amazonian indigenous population and communities. However, it presents serious …

Paullinia cupana Kunth var. sorbilis (Mart.) Ducke, the cultivated guarana plant, is native to
the Amazon and has been valued for its medicinal, stimulant and energetic properties for …

Endophytes improve the host performance in areas of high plant endemicity. Paullinia
cupana is an Amazonia plant species of economic and social importance due to the high …

RESUMO A Amazônia possui numa imensa diversidade biológica, a qual é pouco
conhecida e por consequência pouco explorada, principalmente com relação aos …

Guarana seeds are described to contain starch as the main constituent. In this work, two
fractions of starch were isolated from guarana seeds using dimethyl sulfoxide. The samples …

Guarana has great agricultural potential and is largely used therapeutically and in the
production of non-alcoholic energy drinks. Genomic and proteomic studies are crucial to …