ResumenIntroducción: este estudio evaluó el efecto del consumo de zumo de uva sobre la capacidad antioxidante y el nivel de interleucina-6 en sangre de ratas lactantes. Material y método: dieciocho ratas Wistar lactantes adultas se dividieron en dos grupos: grupo control (CG) y grupo de zumo de uva (GJU). La actividad antioxidante se determinó mediante el método de secuestro de radicales libres (DPPH) y la Capacidad de Absorción Radical de Oxígeno (ORAC) por 2,2-difenil-1-picrilhidrazil (DPPH), y la interleucina-6 se determinó mediante Inmunosorbent Enzyme-linked Método de ensayo (ELISA). Los datos se presentaron como media y desviación estándar. Resultados: la capacidad antioxidante fue mayor (p < 0,05) en el GJU (25,00 ± 3,08 μmol ecuación Trolox/g) que en el CG (10,00 ± 3,11 μmol ecuación Trolox/g), según el método ORAC. El nivel de interleucina-6 (pg/ml) fue menor en el grupo de zumo de uva que en CG. Conclusión: el consumo de zumo de uva durante la lactancia mejora la capacidad antioxidante de las ratas lactantes y parece ser capaz de disminuir la actividad infl amatoria. AbstractObjective: This study evaluated the effect of grape juice consumption on the antioxidant capacity and the interleukin-6 blood level of lactating rats. Material and method: Eighteen Wistar rats, lactating females adult, were divided into two groups: control group (CG) and grape juice group (GJG). The antioxidant activity was determined by the method of 2,2-diphenyl-1-picrylhydrazyl (DPPH)-kidnapping of free radicals (DPPH) and oxygen radical absorbance capacity (ORAC), and the interleukin-6 was determined by Enzyme-Linked Immunosorbent Assay (ELISA) method. The data were presented as mean and standard deviation. Results: The antioxidant capacity was higher (p < 0.05) in the GJG (25.00 ± 3.08 µmol eq. Trolox/g) than in the CG (10.00 ± 3.11 µmol eq. Trolox/g), by the ORAC method. The interleukin-6 (pg/ml) level was lower in the grape juice group than in CG. Conclusion: The consumption of grape juice during lactation improves the antioxidant capacity in lactating rats and seems capable to decrease the infl ammatory activity.
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