Avaliação de atividades antioxidantes em plantas do gênero Croton / Evaluation of antioxidant activities in plants of the genus Croton

Alexandre Augusto Moraes de Souza, Davi do Socorro Barros Brasil, Cintya Cordovil Rodrigues, Sônia Maria de Freitas Almeida, Nayara Maria Monteiro da Silva, José de Arimateia Rodrigues do Rêgo

Resumo


O objetivo do presente trabalho é a avaliação da atividade antioxidante em plantas do gênero Croton, além de verificar qual método é o mais empregado. O estudo é uma revisão bibliográfica no banco de dados do SciFinder, no qual ocorreu no período de setembro a novembro de 2019. 37 artigos foram escolhidos para o desenvolvimento do trabalho. Para selecioná-los fora necessário filtrar os artigos que continham palavras-chave “croton” e “antioxidante” combinadas nos idiomas português e inglês e data de publicação entre janeiro de 1959 e agosto de 2019. Muitas plantas do gênero Croton apresentam alta atividade antioxidante para redução e prevenção de danos causados pelos radicais livres, dentre eles podemos citar o extrato etanólico de Croton cordiifolius que, quando comparada com as plantas abordadas nesse estudo, apresentou o maior valor de IC50, sendo superior a 1000 mg/mL. Já o menor valor encontrado foi para o extrato de Croton hypoleucus com um IC50 de 0,63 mg/mL, sendo este último o melhor valor de atividade antioxidante encontrado nesse estudo. A atividade antioxidante em plantas do gênero Croton parece ser promissora, uma vez que todos os vegetais avaliados apresentaram atividade mesmo em alta quantidade. O método mais utilizado para determinação da atividade antioxidante foi o método IC50.


Palavras-chave


Croton, Atividade Antioxidante, Planta.

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Referências


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DOI: https://doi.org/10.34115/basrv4n4-008

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