@nutrithaislopes
Nutricionista Clínica Hospitalar. Atendimento em Caieiras para adultos e idosos.
ENTRE EM CONTATO
ENTRE EM CONTATO
CENTRO DE TERAPIA VIDA
CENTRO DE TERAPIA VIDA
ATENDIMENTO NUTRICIONAL
ATENDIMENTO NUTRICIONAL
GANEPEÃO 2021
GANEPEÃO 2021
ARTIGO PUBLICADO
ARTIGO PUBLICADO
Introduction: Paraquat (1,1’-dimethyl-4,4’-bipyridine-dichloride) is a herbicide used to combat weeds and improve crop productivity. Its acute toxicity can cause fatal poisoning in humans and animals and several studies have shown a strong correlation between paraquat and Parkinson’s disease. Objective: To determine the concentration of paraquat in different types of rice in Brazil. Method: Paraquat quantification is based on a complexation reaction with sodium dithionite, which generates a blueish color compound, whose absorbance was read in a spectrophotometer at the 600 nm wavelength. Results: Five samples were found to be above the maximum allowed limit, while one sample had a concentration in the upper allowed limit. The method employed did not allow quantification of black rice. Conclusion: There is a need for identification of the type of pesticide used in each examined crop as well as their respective dates of remission in order to improve the safety of agricultural practices.
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@nutrithaislopes Email
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@nutrithaislopes Substack
@nutrithaislopes Substack
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