Spectrophotometric Method for Quantitative Determination of the Amount of Flavonoids in Oil Extract. International Journal of Scientific Trends, [S. l.], v. 4, n. 10, p. 145–149, 2025. Disponível em: https://scientifictrends.org/index.php/ijst/article/view/655. Acesso em: 22 oct. 2025.