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Determination of Physico-chemical Properties and Quality Attributes of Hanwoo Beef with Grade and Sex

한우의 등급간, 성별간 품질 특성 및 이화학적 성분 규명

  • Kim, J.W. (Laboratory of Muscle Food Science and Technology, School of Agricultural Biotechnology, Seoul National University) ;
  • Cheon, Y.H. (Laboratory of Muscle Food Science and Technology, School of Agricultural Biotechnology, Seoul National University) ;
  • Jang, A.R. (Laboratory of Muscle Food Science and Technology, School of Agricultural Biotechnology, Seoul National University) ;
  • Min, J.S. (Laboratory of Muscle Food Science and Technology, School of Agricultural Biotechnology, Seoul National University) ;
  • Lee, S.O. (Laboratory of Muscle Food Science and Technology, School of Agricultural Biotechnology, Seoul National University) ;
  • Lee, M. (Laboratory of Muscle Food Science and Technology, School of Agricultural Biotechnology, Seoul National University)
  • 김중완 (서울대학교 농생명공학부 근육식품학연구실) ;
  • 천용헌 (서울대학교 농생명공학부 근육식품학연구실) ;
  • 장애라 (서울대학교 농생명공학부 근육식품학연구실) ;
  • 민중석 (서울대학교 농생명공학부 근육식품학연구실) ;
  • 이상옥 (서울대학교 농생명공학부 근육식품학연구실) ;
  • 이무하 (서울대학교 농생명공학부 근육식품학연구실)
  • Published : 2002.10.31

Abstract

This study was carried out to determine the physico-chemical components and to examine it the consumers can tell the difference in eating quality of loins of Hanwoo with grade and sex. Loins of 36 carcasses were selected and their intramuscular fat, color, pH, water holding capacity, shear force, the amount of myoglobin and moisture content were measured. The result was that only intramuscular fat was significantly different with grades. In Pearson correlation coefficients among quality factors, moisture content increased significantly with the amount of myoglobin(0.514) and shear force(0.503) and decreased as intramuscular fat(-0.957) and water holding capacity(-0.491) increased. Also, content of intramuscular fat decreased as shear force(-0.565) increased. According to descriptive analysis, aroma and acceptability in the 2nd grade steer showed the highest score. Aroma, juiciness and tenderness may affect acceptability of cooked meat. Also, juiciness, tenderness and acceptability had a negative correlation with moisture content and the intramuscular fat did not affect tenderness directly.

Keywords

Hanwoo;Grade;Sex;Quality;Descriptive analysis

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