The objective of this study was to examine the effect of short term transportation and lairage time on meat quality, myofibrillary structure and calpastatin (CAST), µ-calpain (CAPN1), calpain 3 (CAPN3) and heat shock protein 70 (HSPA1A) expression levels of longissimus dorsi of Kıvırcık breed sheep (n=40). Meat quality was evaluated by muscle glycogen amounts, pH, temperature, cooking loss, water holding capacity, shear force, instrumental color, sarcomere length and organoleptic properties. Cellular changes in the muscle during the ageing process was scanned by electron microscopy and CAST, CAPN1, CAPN3, HSPA1A expression levels were measured to reveal the association on meat tenderness. As a result, positive effect of long lairage time groups was observed in the pH, glycogen, SF values and organoleptic evaluation. CAST, CAPN1, CAPN3 expression showed no difference, however, HSPA1A showed significant difference in aging process. In conclusion, genotypic differences, their effect on gene expression and protein level on meat quality should be further investigated.
CAST CAPN1 CAPN3 HSPA1A Lairage Time Meat Quality Myofibrillary Structure Sheep Transportation
This study was approved by the İstanbul University Animal Experiments Local Ethics Committee (2016/15).
This work was supported by TÜBİTAK (116O768) and the Research Fund of İstanbul-Cerrahpaşa University (25293).
116O654 and 25293
116O654 and 25293
Primary Language | English |
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Subjects | Veterinary Biochemistry, Veterinary Food Hygiene and Technology, Veterinary Histology and Embryology, Animal Science, Genetics and Biostatistics, Veterinary Sciences (Other) |
Journal Section | Research Article |
Authors | |
Project Number | 116O654 and 25293 |
Publication Date | September 29, 2023 |
Published in Issue | Year 2023 |