Asian-Australasian Journal of Animal Sciences

Asian Australasian Association of Animal Production Societies (아세아태평양축산학회)
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Quality characteristics and flavor compounds of pork meat as a function of carcass quality grade

  • Hoa, Van Ba (National Institute of Animal Science, Rural Development Administration) ;
  • Seong, Pil-Nam (National Institute of Animal Science, Rural Development Administration) ;
  • Cho, Soo-Hyun (National Institute of Animal Science, Rural Development Administration) ;
  • Kang, Sun-Moon (National Institute of Animal Science, Rural Development Administration) ;
  • Kim, Yun-Seok (National Institute of Animal Science, Rural Development Administration) ;
  • Moon, Sung-Sil (Sunjin Meat Research Center) ;
  • Choi, Yong-Min (National Institute of Agricultural Sciences, RDA) ;
  • Kim, Jin-Hyoung (National Institute of Animal Science, Rural Development Administration) ;
  • Seol, Kuk-Hwan (National Institute of Animal Science, Rural Development Administration)
  • Received : 2018.12.21
  • Accepted : 2019.02.26
  • Published : 2019.09.01
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Abstract

Objective: The present work aimed at evaluating the effects of carcass quality grade (QG) on the quality characteristics of pork meat according to Korean carcass QG system. Methods: Pork carcasses with varying in QG: 1+ (QG1+, n = 10), 1 (QG1, n = 10) and 2 (QG2, n = 10), were used to evaluate the relationship between carcass QG and meat quality. The meat quality traits, fatty acid profiles, flavor compounds and sensory qualities were measured on the longissimus dorsi muscle samples of these carcasses. Results: Pork meat of higher QG (QG1+) presented significantly higher fat content (5.43%), C18:2n-6 level (19.03%) and total unsaturated fatty acids content (62.72%). Also, the QG1+ meat was significantly higher in levels of classes of flavor compounds such as aldehydes, alcohols and hydrocarbons in comparison to those of the meat samples from the lower QG groups. The sensory evaluation results (flavor, juiciness, tenderness, and acceptability scores) of QG1+ meat was significantly higher than the QG1 and QG2 meats. The pork with lower QG (i.e., QG2) was found positively correlated to redness (r = 0.987), C18:1n-9 level (r = 1.000) but negatively correlated to the fat content (r = -0.949), and flavor (r = -0.870), juiciness (r = -0.861), tenderness (r = -0.862) and acceptability (r = -0.815) scores. Conclusion: The pork with higher QG had higher fat content, total unsaturated fatty acids and better eating quality, thus producing pork with higher QGs should be considered in order to satisfy the consumer's expectation.

Keywords

References

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