Browsing by Author "Echeverria Gonzalez Francisca Cecilia"

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    The Addition of Extra-Virgin Olive Oil Enhances the Antioxidant Capacity, Nutritional Quality, and Sensory Attributes of Vegetable Patties Prepared Using Different Cooking Methods
    (2026) Bustamante, Andrés; Valle, Consuelo; Echeverria Gonzalez Francisca Cecilia; Gonzales, Elva; Cabrales, Mónica; Farias, Camila; Muñoz, Yasna; Reyes, Beatriz; Mercado-López, Lorena; Valenzuela, Rodrigo
    The growing demand for healthier and more sustainable foods has driven interest in plant-based formulations with improved nutritional and sensory quality. In this context, this study evaluated the effect of extra-virgin olive oil (EVOO) addition and different cooking methods (baking, air-frying, and deep-frying) on the nutritional composition, fatty acid profile, total polyphenol content (TPC), antioxidant capacity (ORAC, FRAP, and DPPH), and sensory acceptability of vegetable patties. Patties were prepared with or without EVOO and cooked using the three methods. Deep-frying markedly increased fat content (45–75%), whereas baking and air-frying effectively limited oil absorption (0–10%). EVOO addition increased monounsaturated fatty acids, particularly oleic acid (37.2 g/100 g DW), and enhanced the transfer of phenolic compounds to the patties. Deep-fried, EVOO-enriched samples showed the highest TPC (3.93–5.22 mg GAE/100 g DW), while raw patties exhibited the highest ORAC values (5.17–6.02 µmol TE/100 g DW). Sensory evaluation indicated that EVOO-enriched patties achieved the highest overall preference when air-fried or baked (77–89%). Overall, enriching EVOO with less oil-intensive cooking methods improved the lipid profile, antioxidant capacity, and sensory quality of vegetable patties. These findings should be interpreted within the context of a single frying cycle representative of domestic cooking practices and a sensory evaluation conducted with an untrained panel mainly composed of young adults.