Sarriés Martínez, María Victoria
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Sarriés Martínez
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María Victoria
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Agronomía, Biotecnología y Alimentación
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IS-FOOD. Research Institute on Innovation & Sustainable Development in Food Chain
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Publication Open Access Use of oil mixture emulsion hydrogels as partial animal fat replacers in dry-fermented foal sausages(Elsevier, 2022) Cittadini, Aurora; Domínguez, Rubén; Munekata, Paulo E. S.; Pateiro, Mirian; Sarriés Martínez, María Victoria; Lorenzo, José M.; Agronomía, Biotecnología y Alimentación; Agronomia, Bioteknologia eta Elikadura; Institute on Innovation and Sustainable Development in Food Chain - ISFOODThis study aimed to evaluate the influence of partial replacement of animal fat by oil mixture emulsion hydrogels on the quality properties of dry-fermented foal sausages. Three batches were elaborated: control (CON) -100 % of pork fat; treatments 1 and 2 (T1 and T2)- 50 % of pork fat was replaced by oil mixture emulsions, tigernut (T1) or sesame oils (T2) blended with algal oil. Lipid reformulations reduced (P < 0.001) fat (36.91 % vs about 30 %, for CON and reformulated samples, respectively), and moisture contents (33.57 % vs about 28 %, for CON and reformulated samples, respectively), while darker sausages were obtained. These changes in the both, fat and moisture contents, have an important influence on the texture parameters, since reformulated samples presented higher values of hardness (283¿317 N) than control samples (152 N). Both oil emulsion hydrogels favored a decrease (P < 0.001) of saturated fatty acids (34.16 vs 30 g/100 g of fat), an increase (P < 0.001) of mono- (T1) and polyunsaturated (T2) fatty acids (depending on the batch), and an improvement of all health indices as omega-6/omega-3 (n-3/n-6) and polyunsaturated fatty acids/ saturated fatty acid ratios (PUFA/SFA), atherogenic (AI) and thrombogenic (TI) indices and hypocholesterolaemic/hypercholesterolaemic ratio (h/H). T2 seemed to reduce (P < 0.001) the lipid oxidation in the samples, while T1 presented the highest values. On the other hand, the terpenes and terpenoids were the most abundant volatile compounds (VOCs) found in all sausages, mainly due to the use of pepper as flavoring spice. Several differences were observed on the content of different individual VOCs (hydrocarbons, acids, alcohols, aldehydes, etc.) and also in the total VOCs content, due of both, differences in lipid oxidation processes (in accordance with TBARS values) and also the moisture and fat content of the samples. Nevertheless, consumer acceptability resulted to be unaffected (T1) or improved (T2) by the fat reformulation. Thus, overall results pointed out that the use of T2 emulsion hydrogel as a partial animal fat replacer could be a promising strategy to achieve healthier dry-cured foal sausages with high consumers¿ approval. © 2022 Elsevier LtdPublication Open Access Microencapsulated healthy oil mixtures to enhance the quality of foal pâtés(Frontiers Media, 2022) Cittadini, Aurora; Sichetti Munekata, Paulo E.; Pateiro, Mirian; Sarriés Martínez, María Victoria; Domínguez, Rubén; Lorenzo, José M.; Institute on Innovation and Sustainable Development in Food Chain - ISFOODThis study aimed to evaluate the use of microencapsulated oil mixtures as partial animal fat replacers and their effects on the physicochemical, nutritional and sensory qualities of foal pâtés. Three different batches were manufactured: a control (CON) formulation, with foal dorsal subcutaneous fat (30 g/100 g), and treatments 1 and 2 (T1 and T2), with 50% of the animal fat replaced by microcapsules containing algal oil mixed with walnut oil (T1) or pistachio oil (T2). The reformulated samples presented significant (p < 0.001) diminutions of fat contents, which achieved reductions of 34.22% (“reduced fat content”) and 28.17% in the T1 and T2 samples, respectively, and the lipid reformulation did not affect (p > 0.05) the texture or lipid oxidation of the samples. Furthermore, both microencapsulated oil mixtures significantly (p < 0.001) reduced (11–15%) saturated fatty acid (SFA) concentrations and increased (p < 0.001) mono- (T2) and polyunsaturated (T1) fatty acid contents (8% and 68%, respectively), contributing to the obtainment of nutritional indices in line with health recommendations. Additionally, consumer acceptability did not display significant (p > 0.05) differences among samples. Hence, the outcomes indicated that the incorporation of these microencapsulated oil mixtures as partial animal fat replacers, especially the T1 mixture, represents a promising strategy to obtain healthier foal pâtés, without compromising consumer approval.