Effect of the addition of edible mushroom flours (Agaricus bisporus and Pleurotus ostreatus) on physicochemical and sensory properties of cold‐stored beef patties
2020
Cerón‐Guevara, Magdalena I. | Rangel‐Vargas, Esmeralda | Lorenzo, José M. | Bermúdez, Roberto | Pateiro, Mirian | Rodríguez, José A. | Sanchez-Ortega, Irais | Santos, Eva M.
The characteristics of beef patties with partial replacement of fat and salt by the addition of 2.5 and 5.0% edible mushroom (Agaricus bisporus and Pleurotus ostreatus) flours were studied during cold storage. Besides the reduction of fat and sodium content, the addition of flours significantly improved the dietary fiber and protein contents (from 17.53% to 19.23% with 5% of A. bisporus flour). Hardness, gumminess, and chewiness values were not significantly different from control samples, while springiness and cohesiveness significantly decreased. The addition of flours modified the color, although odor and taste were the attributes most affected. Burgers with 2.5% flour presented acceptable sensory parameters, so that they could be an acceptable option to provide a reduction of fat and salt. During cold storage, formulations were rapidly spoiled because of the microbial growth and oxidation processes, but a small antimicrobial effect against Pseudomonas was observed when mushroom flours were added. PRACTICAL APPLICATIONS: The inclusion of 2.5% of mushroom flour from Agaricus bisporus and Pleurotus ostreatus is a feasible alternative to improve the nutritional profile of beef patties enriching the fiber content and reducing the fat and salt content (25% and 50%, respectively) with an acceptable sensory profile. Higher percentages of flour would deeply affect sensory properties to a consumer not accustomed to the intense umami flavor. The inclusion of mushroom flour in beef patties represents also an opportunity for the mushroom producers adding value to the product by simple drying processes.
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