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  • Title: Reduced-fat bologna sausages with improved lipid fraction.
    Author: Berasategi I, García-Íñiguez de Ciriano M, Navarro-Blasco Í, Calvo MI, Cavero RY, Astiasarán I, Ansorena D.
    Journal: J Sci Food Agric; 2014 Mar 15; 94(4):744-51. PubMed ID: 24105447.
    Abstract:
    BACKGROUND: This applied research was done in order to obtain cooked products (bologna sausages) with significantly lower amounts of energy, total fat and saturated fat and higher amounts of ω-3 fatty acids than conventional ones. Two subsequent experiments were performed. RESULTS: Experiment 1 aimed at pork back-fat reduction and enabled sausages to be obtained with 84 g kg⁻¹ fat and 1334 kcal kg⁻¹, without significant negative effects on sensory quality. Carrageenan was used as fat replacer. Experiment 2 aimed at improving the lipid profile of the 'energy-reduced' sausages previously developed, by a partial substitution of the pork back-fat with a linseed oil-in water emulsion (substitution levels: 25-100%). Using the 100% substitution level gave rise to products with 27 g kg⁻¹ α-linolenic acid, and low saturated fat content (13.5 g kg⁻¹), showing good sensory results regarding taste, smell and texture. The use of antioxidant maintained low TBARs (thiobarbituric acid reactive substances) values in all formulations. CONCLUSION: It is possible to obtain cooked meat products (bologna sausages) with low energy, low saturated fat and a high amount of ω-3 fatty acids simultaneously, applying a combination of the use of carrageenan, linseed oil emulsion and increment of water, without significant effects on sensory quality. Functional products, interesting from a nutritional standpoint, were achieved.
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