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Hersleth M.,Nofima Materials AS | Lengard V.,Nofima Materials AS | Lengard V.,Norwegian University of Life Sciences | Verbeke W.,Ghent University | And 2 more authors.
Food Quality and Preference | Year: 2011

The objective of this study was to evaluate effects of information about reduced salt content, prolonged aging time and new origin on the acceptance of dry-cured ham. The study was carried out in Norway and origins of tested hams were Norway and Spain. Consumers' acceptance of hams was investigated in blind, expected and informed conditions. Results showed that ratings in the informed condition changed in the direction of the expectations and significant assimilation effects occurred for two products. Two consumer clusters were identified. Consumers in the first cluster were more open to trying new kinds of food and this attitude was exemplified by a relatively high expected score for dry-cured ham with reduced salt level, long aging and Spanish origin. Consumers in the second cluster were more sceptical to new food and new dishes. This was reflected in a relatively high expected score for the traditional Norwegian ham with high salt level and short aging time. © 2010.


Aslan O.,Teagasc | Hamill R.M.,Teagasc | Davey G.,National University of Ireland | McBryan J.,Teagasc | And 2 more authors.
Molecular Biology Reports | Year: 2012

Intramuscular fat (IMF) and subcutaneous fat (back fat-BF) are two of the major fat depots in livestock. A QTN located in the insulin-like growth factor 2 gene (IGF2) has been associated with a desirable reduction in BF depth in pigs. Given that the lipid metabolism of intramuscular adipocytes differs from that of subcutaneous fat adipocytes, this study aimed to search for genetic variation in the IGF2 gene that may be associated with IMF, as well as BF, in diverse pig breeds. Four proximal promoter regions of the IGF2 gene were characterised and the association of IGF2 genetic variation with IMF and BF was assessed. Six promoter SNPs were identified in four promoter regions (P1-P4; sequence coverage 945, 866, 784 and 864 bp, respectively) in phenotypically diverse F1 cross populations. Three promoter SNPs were subsequently genotyped in three pure breeds (Pietrain = 98, Duroc = 99 and Large White = 98). All three SNPs were [95% monomorphic in the Pietrain and Duroc breeds but minor alleles were at moderate frequencies in the Large White breed. These SNPs were linked and one was located in a putative transcription factor binding site. Five haplotypes were inferred and three combined diplotypes tested for association with IMF and BF in the Large White. As expected haplotype 1 (likely in LD with the beneficial QTN allele) was superior for BF level. In contrast, the heterozygote diplotype of the most common haplotypes (1 and 2) was associated with higher IMF and marbling scores compared to either homozygote. Gene expression analysis of divergent animals showed that IGF2 was 1.89 fold upregulated in muscle with higher compared to lower IMF content. These findings suggest that genetic variation in the promoter region of the IGF2 gene is associated with IMF content in porcine skeletal muscle and that greater expression of the IGF2 gene is associated with higher IMF content. © Springer Science+Business Media B.V. 2011.


Kallas Z.,Polytechnic University of Catalonia | Realini C.E.,IRTA Monells | Gil J.M.,Polytechnic University of Catalonia
Meat Science | Year: 2014

This paper uses Choice Experiments (CE) to investigate Spanish consumers' preferences towards beef meat enriched with polyunsaturated fatty acids (omega-3 and conjugated linoleic acid). Data were gathered from self-completed questionnaires in a controlled environment with two different samples (320 and 322 consumers) differentiated by the information received. The surveys were carried out in three main Spanish cities (Barcelona, Zaragoza and Pamplona), representing the average consumer. A variation of the "Dual Response Choice Experiments" (DRCE) design was used due to its ability to emphasize the purchase context. Results showed that consumers who received information attach higher preference for enriched meat with polyunsaturated fatty acids. The utility associated with the higher content of fat increase for informed consumers, showing a substitute effect. Informed consumers are willing to accept meat with a higher amount of visible fat if it is enriched with beneficial fatty acids. © 2014 Elsevier Ltd.


Font-i-Furnols M.,IRTA Monells
Meat Science | Year: 2012

Boar taint can be found in meat from boars and affects consumer acceptability of pork. The aim of this review is: (1) to describe different aspects of the existing methodologies used in consumer studies when evaluating boar taint from a sensory point of view, (2) to draw conclusions on different studies regarding the acceptability of meat from entire males, and (3) to discuss a possible harmonization of the different aspects to be considered when performing consumer studies on boar taint. This paper focuses on different aspects of studies previously carried out such as the country of assessment, the location of the test, the cooking procedure, the type of meat samples evaluated, the attributes and scales used, consumer profile, the results obtained, and the effect of androstenone sensitivity of the consumers on boar meat acceptability. A discussion on the possibility of a harmonization of the different aspects is also performed and final remarks and considerations have been drawn. © 2012 Elsevier Ltd.


Font-i-Furnols M.,IRTA Monells | Guerrero L.,IRTA Monells
Meat Science | Year: 2014

Meat and meat products currently represent an important source of protein in the human diet, and their quality varies according to intrinsic and extrinsic parameters that can sometimes be shaped to make a product more desirable. Because consumers are the final step in the production chain, it is useful to identify which factors affect their behavioral patterns. This would allow the meat sector to better satisfy consumer expectations, demands and needs. This paper focuses on features that might influence consumer behavior, preferences and their perception of meat and meat products with respect to psychological, sensory and marketing aspects. This multidisciplinary approach includes evaluating psychological issues such as attitudes, beliefs, and expectations; sensory properties such as appearance, texture, flavor and odor; and marketing-related aspects such as price and brand. © 2014 Elsevier Ltd.

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