Food Science of Animal Resources (한국축산식품학회지)

Korean Society for Food Science of Animal Resources (한국축산식품학회)
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Effects of Feeding Dietary Different Oil and Tocopherol on Physico-Chemical Characteristics of Pork

오일과 토코페롤 급여가 돈육의 이화학적 성질에 미치는 영향

  • 진상근 (경상대학교 축산과학부) ;
  • 김일석 (진주산업대학교 국제축산개발학과) ;
  • 송영민 (진주산업대학교 국제축산개발학과) ;
  • 정기화 (진주산업대학교 국제축산개발학과) ;
  • 이성대 (진주산업대학교 국제축산개발학과) ;
  • 하경희 (경상대학교 축산과학부) ;
  • 김회윤 (진주산업대학교 국제축산개발학과) ;
  • 박기훈 (진주산업대학교 국제축산개발학과)
  • Published : 2003.06.01
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Abstract

The pork quality was determined with following treatments. The meat samples were obtained from pigs which had been fed finishing pig diets containing 5% beef tallow(Control), 3% beef tallow and 2% perillar seed oil(T1), 250 ppm vitamin E(a-tocopheryl acetate) in T1(T2), 3% beef tallow and 2% squid viscera oil(T3), 250 ppm vitamin E in T3(T4), 3% beef tallow and 2% CLA(Conjugated linoleic acid, T5). T1 had the lowest sarcomere length, salt solubility and total protein contents among the treatments. Salt solubility and total protein content of T2 and T4 which had been fed diets containing Vit. E were higher than those of T1 and T3 which had not been fed diets without Vit. E. pH and water holding capacity(WHC) values of control were higher than those of T1, T3 and T5, while WHC of T2 and T4 was higher than those of T1, T3 and T5. The hunter L value of meat and a value of fat showed higher in T5 than those in control, T, T3. The adhesiveness of T3 and the springiness of T5 in cooked meat showed higher level than other treatments.

우지가 5% 첨가되어 있는 일반적인 비육후기사료를 급여한 돈육(C), 우지 3%에 들깨유 2%를 대체 급여한 돈육(T1), T1에 비타민 E를 250 ppm 첨가한 돈육(T2), 우지 3%에 오징어유 2%를 대체 급여한 돈육(T3), T3에 비타민 E를 첨가 급여한 돈육(T4), 우지 3%에 CLA 2%를 우지 대체 급여한 돈육(T5)의 이화학적 품질특성에 미치는 영향을 조사한 결과는 다음과 같다. 오일만 급여한 처리구들간(C, T1, T3, T5)에 근절길이, 염용성 및 총단백질의 함량은 T1이 다른 세 처리구들보다 낮았으며, 동일한 오일 급여구에서 비타민 첨가구들(T2, T4)이 첨가하지 않은 처리구들(T1, T3)보다 염용성 및 총단백질의 함량은 높게 나타났다. pH및 보수성의 경우 대조구가 다른 세 처리구들(T1, T3, T5)보다 높았으며, 비타민 첨가한 처리구들이 첨가하지 않은 처리구들보다 보수성은 높게 나타났다. 오일간에 육색의 L값과 지방색의 a값의 경우 T5가 다른 세 처리구들(C, T1, T3)보다 높게 나타났다. 신선육의 경도, 부착성, 점착성의 경우 T5가 다른 세 처리구들(C, T1, T3)보다 높게 나타났다. 오일간에 가열육의 부착성의 경우 T3가, 탄력성은 T5가 다른 세 처리구들보다 높게 나타났으며, 비타민 첨가에 따라 경도는 T3가 T4보다 높은 반면 응집력과 탄력성은 반대로 낮게 나타났다.

Keywords

References

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