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Effects of Olive Oil Additives on the Quality Characteristics of Press Ham during Cold Storage

올리브유가 첨가된 프레스햄의 저장 중 품질특성에 미치는 영향

  • Lee, Jeong-Ill (Advanced Swine Research Institute, Gyeongnam Province) ;
  • Jung, Jae-Doo (Advanced Swine Research Institute, Gyeongnam Province) ;
  • Lee, Jin-Woo (Advanced Swine Research Institute, Gyeongnam Province) ;
  • Ha, Young-Joo (Advanced Swine Research Institute, Gyeongnam Province) ;
  • Shin, Teak-Soon (Department of Animal Science, Pusan National University) ;
  • Kwack, Suk-Chun (Advanced Swine Research Institute, Gyeongnam Province) ;
  • Do, Chang-Hee (Advanced Swine Research Institute, Gyeongnam Province)
  • 이정일 (경상남도 첨단양돈연구소) ;
  • 정재두 (경상남도 첨단양돈연구소) ;
  • 이진우 (경상남도 첨단양돈연구소) ;
  • 하영주 (경상남도 첨단양돈연구소) ;
  • 신택순 (부산대학교 생명자원과학부) ;
  • 곽석준 (경상남도 첨단양돈연구소) ;
  • 도창희 (경상남도 첨단양돈연구소)
  • Published : 2007.06.30

Abstract

The effects of olive oil on the quality characteristics of pressed ham were investigated. Five different treatments were carried out varying the amount of olive oil added to pressed ham. for the control, 10% back fat among the total ham components was added without any olive oil. For the first treatment, 5% olive oil within the lard component was added into the pressed ham. The 2nd, 3rd and 4th treatments included 10%, 15% and 20% olive oil, respectively. Manufactured pressed hams containing olive oil were vacuum packaged and then stored for 28 days at $4^{\circ}C$. The crude protein and crude fat were not significantly different between the control and olive oil treated hams. The moisture and crude ash contents of olive oil treated hams was significantly lower than that of the control(p<0.05). There was no significant difference in pH between the control and olive oil treated hams. The pH increased during the first 7 days of storage and then decreased somewhat for the remainder of the 28 day storage period for all treatments. The meat color $b^*$ value of olive oil treated hams was higher than that of the control, whereas the meat color $a^*$ value decreased with the inclusion of olive oil. Neither value changed during the period of storage. There was no significant difference in texture between the control and olive oil treated hams throughout the storage period. In summary, pressed ham manufactured with added olive oil showed no change in physico-chemical properties and texture characteristics. Thus, it may be assumed that high quality pressed ham can be manufactured with increased monounsaturated fatty acid content.

본 연구는 프레스햄의 품질특성에 올리브유 미치는 영향을 조사하고자 하였다. 시험구는 프레스햄에 첨가되는 올리브유의 양에 따라 5개의 시험구를 배치하였다. 대조구는 올리브유를 첨가하지 않고 총 구성분 중 10% 량만큼 등지방을 첨가하였다. 처리구 1은 프레스햄 제조시 첨가되는 돈지방 함량 중 5%를 올리브유로 대체시켰으며, 처리구 2는 10%,처리구 3은 15%,처리구 4는 20%를 올리브유로 대체하여 제조하였다. 제조된 프레스햄은 진공 포장하여 냉장온도($4^{\circ}C$)에서 28일간 저장하면서 실험에 공시하였다. 조단백질과 조지방 함량은 대조구와 올리브유 처리구간에 유의적인 차이가 없었으며, 함유수분과 조회분 함량은 대조구가 올리브유 처리구에 비하여 유의적으로 높은 함량을 보였다(p<0.05). pH는 처리구간의 비교에서 전 저장기간 동안 뚜렷한 경향이 없는 것으로 나타났으며, 저장기간 경과에 따른 변화에서는 전 처리구가 저장 7일째에 가장 높았다가 7일 이후에는 감소하는 경향을 보였다. 육색 변화에서 대조구에 비하여 올리브유 대체 수준이 증가할수록 황색도 값은 증가하고 반면에 적색도 값은 감소하는 경향을 보였다. 저장기간의 경과에 따른 변화에서도 뚜렷한 변화가 없었다. 조직감의 변화에서 대조구와 올리브유 처리구간의 비교에서 유의적인 차이는 인정되었지만 뚜렷한 경향이 없었으며, 저장기간의 경과에 따른 변화에서도 뚜렷한 변화가 없었다. 이상의 결과 프레스햄 제조시 올리브유의 첨가는 이화학적 특성 및 조직감에 영향을 미치지 않으며, 단가불포화지방산 함량을 강화시킨 건강지향적 고급 육제품 생산이 가능하다고 사료된다.

Keywords

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