La pandemia por Covid-19 ha tenido un impacto negativo en la salud mental incluyendo el estrés. Nuestro estudio tuvo como objetivo diseñar y validar psicométricamente la “Escala de estrés ante enfermedades transmisibles” (escala APA). La prueba de análisis discriminativo de ítems permitió eliminar cuatro ítems, quedando la prueba final conformada por 10 ítems. Asimismo, la validez convergente utilizando el “Cuestionario de ansiedad social” (CASO) fue de r=0,377. El análisis factorial confirmatorio ratificó la estructura de dos componentes: el estrés general y el estrés ante la Covid-19. Se obtuvieron correlaciones multivariadas entre los ítems utilizándose los índices de ajuste según el modelo esperado. Los índices de fiabilidad fueron buenos (α de Cronbach= 0,841 y ω de McDonald= 0,848) y se estableció un baremo con percentiles por sexo con una muestra de 10...

Oxidative stress has been associated with the development of many chronic and degenerative diseases in canines. The presence of antioxidants in food contributes to the reduction of the harmful effects of reactive oxygen species (ROS) and nitrogen (RNS). Polyphenols are a group of substances with high antioxidant activity and play an important role in the prevention of diseases. The aim of this study was to evaluate the relationship between the composition, the antioxidant capacity and the polyphenol content of dog feeds from different commercial segments. Nineteen dog foods from four commercial segments: popular, economic, premium and super premium were randomly selected. Through a bromatological analysis the composition of each feed was evaluated. Total antioxidant capacity (TAC) and total phenolic content (TFC) were measured through the ABTS and Folin-Ciocalteu methods, respectively. A...

Oxidative stress has been associated with the development of many chronic and degenerative diseases in canines. The presence of antioxidants in food contributes to the reduction of the harmful effects of reactive oxygen species (ROS) and nitrogen (RNS). Polyphenols are a group of substances with high antioxidant activity and play an important role in the prevention of diseases. The aim of this study was to evaluate the relationship between the composition, the antioxidant capacity and the polyphenol content of dog feeds from different commercial segments. Nineteen dog foods from four commercial segments: popular, economic, premium and super premium were randomly selected. Through a bromatological analysis the composition of each feed was evaluated. Total antioxidant capacity (TAC) and total phenolic content (TFC) were measured through the ABTS and Folin-Ciocalteu methods, respectively. A...