Spectroscopy and chromatography characterization of curcumin extracted from the rhizome of turmeric crops in the department of Quindío (Colombia). Revista de Investigaciones Universidad del Quindío, [S. l.], v. 19, n. 1, p. 18–22, 2009. DOI: 10.33975/riuq.vol19n1.769. Disponível em: https://ojs.uniquindio.edu.co/ojs/index.php/riuq/article/view/769. Acesso em: 25 jun. 2026.