* Autor a quien debe ir dirigida la correspondencia.Recibido Abr. 14, 2016; Aceptado Jun. 7, 2016; Versión final Jul. 28, 2016, Publicado Dic. 2016 Resumen El objetivo de este estudio fue evaluar el efecto de la proporción de jugo adicionado (10 y 20%), pH (3.8 y 4.5), y sólidos solubles del zumo (50 y 60 ºBrix) sobre el tiempo de cocristalización, el color y contenido de vitamina C de los cocristales de zumo de naranja agria. El zumo de naranja agria cocristalizado fue obtenido mezclando jarabe de sacarosa sobresaturada a 118ºC con zumo de naranja agria concentrado, con agitación constante de 600 rpm. Los cocristales húmedos fueron separados y secados a 50°C en una estufa al vacío por 24 horas. A los cocristales secos se les determinó color y vitamina C. Los cocristales lograron retener vitamina C entre un 3.94 y 5.25 mg/100 g en base seca. Sin embargo, se presentó una alta pérdida de vitamina C (90.64%) durante el proceso de cocristalización con respecto al zumo fresco. Palabras clave: cocristales, naranja agria, jarabe de sacarosa, vitamina C Effect of pH, Soluble Solids and Juice Added on Color and Vitamin C Content of Co-Crystallized Bitter Orange Juice AbstractThe effect of the proportion of juice added (10 and 20%), pH (3.8 and 4.5), and soluble solids (50 and 60 ° Brix) on time co-crystallization, color and vitamin C content of co-crystals of bitter orange juice was evaluated. Bitter co-crystallized orange juice was obtained by mixing supersaturated sucrose syrup at 118 °C with bitter orange juice concentrate, with constant agitation of 600 rpm. The wet co-crystals were separated and dried at 50 °C in a vacuum oven for 24 hours. Color and vitamin C content were determined in the dry co-crystals. Co-crystals managed to retain vitamin C between 3.94 and 5.25 mg/100g dry basis. However, there was high loss of vitamin C (90.64%) during the process of co-crystallization with respect to fresh juice.
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