Antioxidant properties of soy-dairy milk blends fermented with probiotics

• De Jesús-José †, Edgar ^[1] ; Hidalgo-Fuentes †, Belén ^[1] ; Rosas-Espejel, Monzerrat ^[1] ; Rayas-Amor, Adolfo A. ^[1] ; Jiménez-Guzmán, Judith ^[1] ; Zambrano-Zaragoza, María L. ^[2] ; González-Reza, Ricardo M. ^[2] ; Liceaga, Andrea M. ^[3] ; Aguilar Toalá, José Eleazar ^[1]
  1. [1] Universidad Autónoma Metropolitana, Unidad Lerma
  2. [2] Universidad Nacional Autónoma de México
  3. [3] Protein Chemistry and Bioactive Peptides Laboratory

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• Localización: Agro Productividad, ISSN-e 2594-0252, Vol. 16, Nº. 12, 1, 2023 (Ejemplar dedicado a: Diciembre), págs. 143-151
• Idioma: inglés
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  • ABSTRACT Objective: Evaluate the effect of the substitution of cow milk with soy beverage on the antioxidant properties, physicochemical parameters, and sensory quality of the probiotic and conventional fermented beverages. Design/methodology/approach: Different combinations of soy beverage (T1=80%, T2=60%, T3=40%, and T4=20%) with cow milk (20%, 40%, 60%, and 80%, respectively) were fermented with either conventional or probiotic cultures. The antioxidant activity of fermented beverages was evaluated by DPPH method and the samples were also characterized for protein, fat, solids non-fat, density, and acidity. Sensory evaluation was done in order to determine the acceptability of the fermented beverages. Results: Overall, most treatments fermented with the probiotic culture showed higher (P<0.05) antioxidant capacity compared to those fermented with the conventional culture. In contrast, for both starter cultures, it was observed that the T1 treatment displayed the highest (P<0.05) antioxidant activity compared with the other treatments (T2, T3, and T4). Similarly, the treatment T1-probiotic culture was the most preferred, being the aroma and appearance, the sensory properties scored with the highest degree of liking. Study Limitations: Follow-up research is needed to identify the bioactive compounds responsible for antioxidant properties exhibited by fermented soy-dairy milk beverages. Findings/conclusions: Probiotic cultures can be used to generate soy-dairy milk fermented beverages with noticeable antioxidant and sensory properties.