Ventanas Sonia, Ruiz Jorge, García Carmen, Ventanas Jesús
Food Science, Faculty of Veterinary Sciences, University of Extremadura, Avd de la Universidad s/n, 10071 Cáceres, Spain.
Meat Sci. 2007 Nov;77(3):324-30. doi: 10.1016/j.meatsci.2007.04.001. Epub 2007 Apr 14.
Preference ranking tests for juiciness and overall liking of dry cured loins from Iberian pigs with different genetic backgrounds (pure Iberian or crossbred Iberian×Duroc pigs), reared under different productive systems (outdoors on acorns and grass or indoors with mixed diets) and with different intramuscular fat (IMF) content, were conducted. IMF showed a positive influence on preference for juiciness and liking in subjects over 25 years of age, while younger consumers showed a similar trend for juiciness but not for preference. Loins from pure Iberian pigs showed significantly better ranking for juiciness and overall liking than those from crossbred pigs, even when the IMF content was similar. Dry cured loins from pigs reared outdoors and fed on acorns and pasture were ranked significantly better than those from animals fed indoors on concentrates, even though the mixed diets used were enriched in monounsaturated fatty acids and vitamin E in order to obtain meat with similar features to that of pigs reared outdoors, and despite very similar IMF contents. In conclusion, dry cured loins with high IMF content, from pure Iberian pigs and reared outdoors on acorns and grass attain the highest consumer preference.
对来自不同遗传背景（纯种伊比利亚猪或伊比利亚×杜洛克杂交猪）、在不同生产系统（户外以橡子和青草饲养或室内以混合饲料饲养）且肌内脂肪（IMF）含量不同的伊比利亚猪干腌腰肉的多汁性和总体喜好程度进行了偏好排序测试。IMF对25岁以上受试者对多汁性的偏好和喜好有积极影响，而年轻消费者对多汁性有类似趋势，但对偏好没有。即使IMF含量相似，纯种伊比利亚猪的腰肉在多汁性和总体喜好程度上的排名也显著高于杂交猪。户外以橡子和牧草饲养的猪的干腌腰肉的排名明显高于室内以浓缩饲料饲养的猪，尽管所使用的混合饲料富含单不饱和脂肪酸和维生素E，以获得与户外饲养的猪具有相似特征的肉，且IMF含量非常相似。总之，来自纯种伊比利亚猪、户外以橡子和青草饲养且IMF含量高的干腌腰肉获得了最高的消费者偏好。
