Development and Validation of Spectrophotometric Techniques for the Determination of Total Flavonoids, Based on Quercetin, in the Leaves of Psidium guajava L.

Pulverulent solids obtained from Psidium guajava L. (guava) leaves were analyzed. This was performed through a decoction extraction with acetone refluxing and an acid hydrolysis. Finally, a liquid–liquid extraction was performed using ethyl acetate. After being separated by a thin layer chromatograp...

• Main Author: Ortíz Fernández, William (author)
• Other Authors: Aguilera, Yoel (author), Rodríguez, Jorge (author), Guzmán Mayancha, Dorys Magaly (author), Cobo Salinas, Hugarita Maribel (author), Bravo Sánchez, Luis Ramón (author)
• Format: article
• Language: spa
• Published: 2016
• Subjects: polifenoles; Psidium guajava L.; flavonoides; quercetina; espectrofotometría; validación; polyphenols; Psidium guajava L; flavonoids; spectrophotometry; validation
• Online Access: https://revistas.uea.edu.ec/index.php/racyt/article/view/64