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Publisert 2001

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Publikasjonsdetaljer

Tidsskrift : Journal of Muscle Foods , vol. 12 , p. 1–17 , 2001

Utgiver : Blackwell Publishing

Internasjonale standardnummer :
Trykt : 1046-0756
Elektronisk : 1745-4573

Publikasjonstype : Vitenskapelig artikkel

Bidragsytere : Pedersen, Mona Elisabeth; Kulseth, Mari Ann; Kolset, Svein Olav; Velleman, S.; Eggen, Kyrre

Sak : 1

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Kjetil Aune
Bibliotekleder
kjetil.aune@nofima.no

Sammendrag

Biochemical composition of muscle is an important factor that affects meat quality. Studies have revealed that the collagen content alone cannot be considered a reliable parameter for textural properties. This study focuses on the expression of two collagen interacting proteoglycans, decorin and fibromodulin, in two muscles differing in texture, M. semitendinosus (ST) and M. psoas major (PM). The difference in texture was confirmed by Warner Bratzler shear force measurements. The proteoglycan expression level was determined both on protein and mRNA level by SDS-gel electrophoresis and Northern blots, and related to the collagen expression. The tougher muscle, ST contained more decorin than the tender muscle PM, but less decorin per collagen. However, the difference in fibromodulin level per collagen was not significant between the two muscles, indicating that decorin is a better parameter to study in relation to textural properties in bovine muscle.

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