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  • Title: "High in omega-3 fatty acids" bologna-type sausages stabilized with an aqueous-ethanol extract of Melissa officinalis.
    Author: Berasategi I, Legarra S, de Ciriano MG, Rehecho S, Calvo MI, Cavero RY, Navarro-Blasco I, Ansorena D, Astiasarán I.
    Journal: Meat Sci; 2011 Aug; 88(4):705-11. PubMed ID: 21439735.
    Abstract:
    A new formulation of bologna-type sausage enriched in ω-3 polyunsaturated fatty acids (PUFA) (8.75% linseed oil) was developed, using a lyophilized aqueous-ethanolic extract of Melissa officinalis. A comparison with the effectiveness of butylhydroxy anisole (BHA) synthetic antioxidant to decrease the oxidation of PUFAs was performed. The formulation increased the ω-3 PUFAs content, especially α-linolenic acid, decreasing significantly the ω-6/ω-3 ratio from 17.3 to 1.9, and also the Atherogenic Index and Thrombogenic Index (0.38-0.31 and 1.03-0.54, respectively). Modified sausages with BHA and Melissa extract showed significantly lower peroxides value (2.62 and 6.11 meq O₂/kg) and thiobarbituric acid value (0.26 and 0.27 mg malondialdehyde/kg) and higher antioxidant capacity (hydrophilic fraction ABTS: 0.45 and 0.74 meq Trolox/g product; lipofilic fraction ABTS: 0.44 and 0.37 meq Trolox/g product) than those without these ingredients (16.49 meq O₂/kg, 2.08 mg malondialdehyde /kg, 0.26 and 0.27 meq Trolox/g product, respectively). Sensorial tests showed that acceptability of the new formulations was similar to control products.
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