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Showing papers by "Roselei Claudete Fontana published in 2022"


Journal ArticleDOI
TL;DR: In this paper , the bioaccumulation capacity of water contaminating metals by fungal isolates of Lentinus and Panus species, to elucidate the bioremediation processes of metal contaminated effluents was evaluated.

2 citations




Journal ArticleDOI
TL;DR: The findings suggest that P. albidus extract has regulatory potential on aorta arteries, regulating the balance of NOX/NOS enzymes and then influencing vessel tone, and further studies are needed to determine the protective mechanisms of the extract.
Abstract: The main objective of this work was to evaluate whether Pleurotus albidus extract exerts influences on aorta artery tone by its antioxidant properties. The hearts and aortic arteries of male Wistar rats were removed for use in biochemical analysis and vascular reactivity. Both tissues were exposed to P. albidus extract at different concentrations for 30 min and were then exposed to a free radical generation system for 30 min. The extract reduced lipid peroxidation levels and increased catalase and glutathione peroxidase activity in cardiac tissue. In the aorta, P. albidus extract demonstrated a direct vasodilatory effect, which was associated with a reduction in nicotinamide adenine dinucleotide phosphate oxidase (NOX) activity and an increase in sulfhydryl levels and nitric oxide synthase (NOS) activity. Our findings suggest that P. albidus extract has regulatory potential on aorta arteries, regulating the balance of NOX/NOS enzymes and then influencing vessel tone. Further studies are needed to determine the protective mechanisms of the extract.


Journal ArticleDOI
TL;DR: Data suggest red Pitaya has potential as a new medicine for diabetes, and pulp and peel extracts exhibited a redox capacity superior to ascorbic and chlorogenic acids, presenting high phenolic content, mainly anthocyanins.

Journal ArticleDOI
TL;DR: In this paper , an analysis of melanin degradation was performed in a quantitative and qualitative way, where agro-industrial residues were used as a successful, cheap and renewable substrate, capable of increasing activity of ligninolytic enzymes for further use in melanin degrading assays to develop inputs for the treatment of skin hyperpigmentation.