Abstract
The aim of this study was to investigate the histochemical parameters of muscle fibers, and to estimate the correlation of muscle fiber characteristic to postmortem metabolic rate and meat quality traits in pigs. A total of 231 crossbred pigs were evaluated. Samples of the longissimus dorsi muscle were taken to evaluate the histochemical characteristics, postmortem metabolic rate and meat quality. Fiber type composition was mainly related to postmortem metabolic rate and meat quality traits among various muscle fiber characteristics. The percentage of type IIb fiber was negatively related to pH45 min (r = -0.33) and positively to R-value (r = 0.32). Drip loss was negatively related to fiber area percentages of type I and IIa (r = -0.25 and -0.26, respectively) and positively related to type IIb percentage (r = 0.39). A similar tendency was found between lightness and fiber area percentage. In conclusion, increasing the percentage of type IIb fiber is related to increasing the postmortem metabolic rate, and is related to the deterioration of meat quality.
| Original language | English |
|---|---|
| Pages (from-to) | 351-357 |
| Number of pages | 7 |
| Journal | Meat Science |
| Volume | 71 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 2005 Oct |
Bibliographical note
Funding Information:This work was supported by a Korea University Grant.
Copyright:
Copyright 2011 Elsevier B.V., All rights reserved.
Keywords
- Muscle fiber
- Pork quality
- Postmortem metabolic rate
ASJC Scopus subject areas
- Food Science
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