2011
DOI: 10.15193/zntj/2011/77/103-116
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Chemical Composition, Solubility of Intramuscular Collagen, and Texture of Selected Beef Muscles

Abstract:  SKŁAD CHEMICZNY, ROZPUSZCZALNOŚĆ KOLAGENU ŚRÓDMIĘŚNIOWEGO I TEKSTURA WYBRANYCH MIĘŚNI WOŁOWYCHS t r e s z c z e n i e Celem pracy było określenie składu chemicznego ośmiu mięśni jałowic oraz zmian rozpuszczalności kolagenu śródmięśniowego, profilu tekstury i siły cięcia w 2. i 14. dniu ich dojrzewania poubojowego. Badania prowadzono na mięśniach: pectoralis profundus (PP), infraspinatus (IS), triceps brachii (TB), serratus ventralis (SV), biceps femoris (BF), semimembranosus (SM), semitendinosus (ST) oraz lo… Show more

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Cited by 3 publications
(5 citation statements)
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“…Therefore, post-mortem ageing should be managed according to individual muscle and quality grade (Gruber et al, 2006). Apart from the USA (Rhee et al, 2004;Von Seggern et al, 2005), studies regarding muscle profiling have been conducted in different countries including Norway (Hildrum et al, 2009) and Poland (Zajac et al, 2011). Ranking of muscles may differ according to animal gender and age (Hildrum et al, 2009;Patten et al, 2008).Thanks to the development of genomics, more modern techniques such as transcriptomics (Cassar-Malek et al, 2009) and proteomics (Guillemin et al, 2011) are available nowadays to better characterise individual muscles according to tenderness score or to livestock systems.…”
Section: Muscle Profilingmentioning
confidence: 99%
“…Therefore, post-mortem ageing should be managed according to individual muscle and quality grade (Gruber et al, 2006). Apart from the USA (Rhee et al, 2004;Von Seggern et al, 2005), studies regarding muscle profiling have been conducted in different countries including Norway (Hildrum et al, 2009) and Poland (Zajac et al, 2011). Ranking of muscles may differ according to animal gender and age (Hildrum et al, 2009;Patten et al, 2008).Thanks to the development of genomics, more modern techniques such as transcriptomics (Cassar-Malek et al, 2009) and proteomics (Guillemin et al, 2011) are available nowadays to better characterise individual muscles according to tenderness score or to livestock systems.…”
Section: Muscle Profilingmentioning
confidence: 99%
“…The percentages of soluble collagen in muscle tissue from beaver cuts (Figure 1) were higher than values reported in raw beef from different cuts after a similar post mortem period (24-48 h) in round (3.74-23.00%), shoulder (10.01-24.00%), and loin (7.25-32.00%) [58][59][60][61], and also higher than in m. semimembranosus from pigs (14.26-18.26%) [62]; however, our values were lower than the soluble collagen fraction in raw rabbit meat (47.6%) [50], as well raw chicken meat (32-50%) [63]. Changes of IMCT during post mortem ageing manifested by its disintegration and an increase in the heatsoluble collagen fraction are well documented [20,21,58,60,64]. Nevertheless, it should be emphasized that the level of soluble collagen in muscle tissue of beaver after 48 h post mortem is still higher or comparable to beef aged 12-14 days reported by Zaj ąc et al [58], Kołczak et al [60], and Palka [65], in particular from 7.50% to 27.43% in muscles from round, from 18.07% to 21.25% in muscles from shoulder, and from 14.59% to 30.0% in loin.…”
Section: Collagen Fractions and Shear Forcementioning
confidence: 55%
“…In turn, the collagen content in raw rabbit loin (from m. longissimus thoracis and m. longissimus lumborum) ranged from 3.1 to 6.1 mg/g of fresh tissue [36,50], and after cooking was between 4.0 and 5.4 mg/g of total collagen [36]. The percentages of soluble collagen in muscle tissue from beaver cuts (Figure 1) were higher than values reported in raw beef from different cuts after a similar post mortem period (24-48 h) in round (3.74-23.00%), shoulder (10.01-24.00%), and loin (7.25-32.00%) [58][59][60][61], and also higher than in m. semimembranosus from pigs (14.26-18.26%) [62]; however, our values were lower than the soluble collagen fraction in raw rabbit meat (47.6%) [50], as well raw chicken meat (32-50%) [63]. Changes of IMCT during post mortem ageing manifested by its disintegration and an increase in the heatsoluble collagen fraction are well documented [20,21,58,60,64].…”
Section: Collagen Fractions and Shear Forcementioning
confidence: 73%
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