title: Effects of enrichment with polyunsaturated fatty acids (omega-3 and conjugated linoleic acid) on consumer liking of beef aged for 7 or 21 d evaluated at different locations.
abstract: The effect of different animal diets supplemented with linseed (source of omega-3 fatty acids: n-3) and/or conjugated linoleic acid (CON: control, LIN: 10% linseed, CLA: 2% conjugated linoleic acid, LINCLA: 10% linseed plus 2% CLA) on consumer liking of beef aged for 7 or 21 d was assessed in 3 Spanish cities. Overall, tenderness, juiciness, and flavor liking of beef were evaluated by consumers (n = 720) using 9-point scales. Hedonic scores assigned by consumers did not differ (P > 0.05) for beef from animals fed the different diets and aged for 7 or 21 d. Consumer scores showed an increasing trend in beef liking with aging time. Consumers from Pamplona assigned lower (P < 0.05) hedonic scores for beef liking than consumers from Barcelona and Zaragoza. Linseed and/or CLA can be fed to improve the fatty acid profile in beef with minimal impact on consumer liking. Consumer ratings seem to depend on regional tastes and preferences.
authors.affiliation: IRTA-Monells, Finca Camps i Armet, 17121, Monells, Girona, Spain.
authors.forename: María
authors.initials: M
authors.lastname: Pérez-Juan
authors.forename: Carolina E
authors.initials: CE
authors.lastname: Realini
authors.forename: Marta
authors.initials: M
authors.lastname: Barahona
authors.forename: Maria Victoria
authors.initials: MV
authors.lastname: Sarriés
authors.forename: Maria
authors.initials: M
authors.lastname: del Mar Campo
authors.forename: María José
authors.initials: MJ
authors.lastname: Beriain
authors.forename: Mauro
authors.initials: M
authors.lastname: Vitale
authors.forename: Marta
authors.initials: M
authors.lastname: Gil
authors.forename: Pere
authors.initials: P
authors.lastname: Albertí
mesh_terms: D000293:Adolescent; D000328:Adult; D000821:Animal Feed / Q000032:analysis; D000818:Animals; D002417:Cattle; D003258:Consumer Behavior; D004032:Diet; D019587:Dietary Supplements; D015525:Fatty Acids, Omega-3 / Q000032:analysis*; D005231:Fatty Acids, Unsaturated / Q000032:analysis*; D005260:Female; D019597:Flax / Q000737:chemistry; D005511:Food Handling / Q000379:methods*; D006801:Humans; D044243:Linoleic Acids, Conjugated / Q000032:analysis*; D008043:Linseed Oil; D008297:Male; D008460:Meat / Q000032:analysis*; D008875:Middle Aged; D013030:Spain; D055815:Young Adult
chemical_list: D015525:Fatty Acids, Omega-3; D005231:Fatty Acids, Unsaturated; D044243:Linoleic Acids, Conjugated; D008043:Linseed Oil
keywords: aging; conjugated linoleic acid; linseed; meat; omega-3