CUANTIFICACIÓN DE ADITIVOS CONSERVANTES EN MERMELADAS COMERCIALES DE GUAYABA MEDIANTE CROMATOGRAFÍA LÍQUIDA DE ALTA RESOLUCIÓN (HPLC): Quantification of preservative additives in commercial guava jams by High-Performance LiquidChromatography (HPLC). Reportes Científicos de la FACEN, [S. l.], v. 17, 2026. DOI: 10.18004/rcfacen.2026.17.e202602. Disponível em: https://revistascientificas.una.py/index.php/rcfacen/article/view/5679. Acesso em: 5 oct. 2026.