Avaliação de atividades antioxidantes em plantas do gênero Croton

The objective of the present work is to evaluate the antioxidant activity in plants of the genus Croton, in addition to verifying which is the method or more employed. The study is a bibliographic review in the SciFinder database, which did not occur in the period from September to November 2019. 37 articles were selected for the development of the work. To select the forums needed to filter articles containing the keywords “croton” and “antioxidante” combined in languages and English and publication data between January 1959 and August 2019. Many plants of the genus Croton have relatively high antioxidant activity for reduction and prevention of damage caused by free radicals, among them can mention or extract ethanolic Croton cordiifolius, when compared with plants covered in this study, showing the highest IC50 value, being higher than 1000 mg/mL. The lowest value found was extracted for Croton hypoleucus with an IC50 of 0.63 mg/mL, the latter being the best value of the antioxidant activity found in this study. The antioxidant activity in plants of the genus Croton seems to be promising, since all vegetables use the same activity in high quantities. The most used method to determine antioxidant activity was the IC50 method.