Influencia de la temperatura de secado sobre la composición química de las semillas de Citrullus lanatus
Palabras clave:
análisis proximal, polifenoles totales, sandíaResumen
Las semillas de Citrullus lanatus, han despertado un interés creciente debido a su perfil químico. Sin embargo, un factor crítico que puede alterar su composición y calidad es el proceso de secado. En este estudio se evaluó el impacto de la temperatura de secado sobre la composición química de las semillas de Citrullus lanatus. Las semillas se secaron a 30, 40 y 50°C durante 48 h. Se analizó el contenido de proteína (PC), grasa (GC), fibra (FC), cenizas totales (CT) y polifenoles totales (PT). Los resultados mostraron que el aumento de la temperatura resultó en una disminución significativa (p<0,05) del contenido de PC y GC. Las semillas secadas a 50°C presentaron el valor más bajo de PC (25,5±0,2%) y GC (42,6±0,1%). El contenido de FC aumentó con la temperatura, registrando valores de 22,2±0,1% a 30°C y 22,8±0,1% a 50°C. La CT no mostró diferencias significativas (p>0,05) entre las temperaturas de secado. El contenido de PT disminuyó (p<0,05) con el aumento de la temperatura, siendo el valor más alto (185,4±3,2 mg EAG/100g) el de las semillas tratadas 30°C. Estos resultados sugieren que, para conservar la calidad nutricional de las semillas de C. lanatus, es preferible utilizar temperaturas de secado bajas.
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Derechos de autor 2025 Hidalgo-Sánchez, Mónica Alexandra, Pérez-Cuesta, Angélica Marina, Benalcázar-Boada, María José, Peñafiel-Bonilla, Nelly Jazmín (Autor/a)
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