2018
DOI: 10.1016/j.meatsci.2018.06.041
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Label-free quantitative proteomic analysis reveals muscle contraction and metabolism proteins linked to ultimate pH in bovine skeletal muscle

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Cited by 48 publications
(36 citation statements)
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“…No statistical differences (p> 0.05) between cortisol values of pH<5.8 group (75.33 ng/mL) than those observed in the pH≥5.8 group (63.89 ng/mL) were observed. Similar results were reported by Poleti et al [ 26 ] who found cortisol levels of 61.6 and 70.2 ng/mL between high (pH≥6.0) and normal (pH<5.8) ultimate pH groups, respectively, in bovine Longissimus thoracis muscle. In our study, the percentages of animals with normal (25 to 45 ng/mL), high (>45 – 90 ng/mL), or extremely high (>90 ng/mL) [ 3 ] cortisol levels were 23.2% (36.1 ng/mL), 44.3% (63.0 ng/mL), and 22.7% (108.8 ng/mL), respectively.…”
Section: Resultssupporting
confidence: 90%
See 1 more Smart Citation
“…No statistical differences (p> 0.05) between cortisol values of pH<5.8 group (75.33 ng/mL) than those observed in the pH≥5.8 group (63.89 ng/mL) were observed. Similar results were reported by Poleti et al [ 26 ] who found cortisol levels of 61.6 and 70.2 ng/mL between high (pH≥6.0) and normal (pH<5.8) ultimate pH groups, respectively, in bovine Longissimus thoracis muscle. In our study, the percentages of animals with normal (25 to 45 ng/mL), high (>45 – 90 ng/mL), or extremely high (>90 ng/mL) [ 3 ] cortisol levels were 23.2% (36.1 ng/mL), 44.3% (63.0 ng/mL), and 22.7% (108.8 ng/mL), respectively.…”
Section: Resultssupporting
confidence: 90%
“…According to Abril et al [ 27 ], pH≥6.1 meat from male cattle had lower L *, a *, b *, C *, and h * values than pH<6.1 meat at the most measuring times; this is characteristic of the darker and redder color of DFD meats. Poleti et al [ 26 ] observed that meat with high pH≥6.0 had lower L *, a *, and b * values within all postmortem times, indicating that muscle with high pH was darker, less red, and less yellow. During rigor onset, the increase in the overlapping myofilaments and shortening of the sarcomere is associated with higher reflectance.…”
Section: Resultsmentioning
confidence: 99%
“…[ 7 ] Moreover, FAO reported that a pHu higher than 6.2 indicates that the animal was stressed, injured, or diseased prior to slaughter. [ 9 ] Therefore, measurement of final pH during the conversion of muscle into meat is a highly important factor for meat industry [ 10 ] and it is used the most as routine practice to control the occurrence of defective meats. However, some studies have reported the main factors contributing to dark cutting meat and the controversial use of pHu to detect it.…”
Section: Introductionmentioning
confidence: 99%
“…[ 13 ] However, proteomic approaches addressing this problem in beef cattle are based on the study of total protein extract. [ 10,14,15 ] Alternatively, we have recently proposed an innovative proteomic approach based on liquid isoelectric focusing (OFFGEL) for the specific fractionation/enrichment of the sarcoplasmic fraction hyphenated with sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS‐PAGE) and LC‐MS analysis. [ 16 ] Although it is known that sarcoplasmic proteins (stress/defense proteins and metabolic enzymes) are the ones mainly related to stress, the number of studies reporting changes occurring on myofibrillar proteome are scarce and deserves further investigation.…”
Section: Introductionmentioning
confidence: 99%
“…About 987 results were revealed when a search was conducted in the PubMed (http://www.ncbi.nlm.gov/pubmed) database using "Proteomics, animal, and Brazil" terms. Approximately 68% of the articles were published in the last five years and include for instance topics such as beef quality and muscle function [30,31]. Pioneering reports also involved the proteome characterization of venomous secretions [32].…”
Section: Domestic Animal Proteomics In Brazil and Latin America In Recent Yearsmentioning
confidence: 99%