Journal of Animal Science and Technology

Korean Society of Animal Sciences and Technology (한국축산학회)
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The Effects of Salting Levels and Drying Periods on Weight Loss and Nutritional Compositions of Dry-cured Ham under Controlled Ripening Condition

건염햄 제조시 소금수준과 건조기간이 제품 중량감소 및 영양적 특성에 미치는 영향

  • 성필남 (농촌진흥청 국립축산과학원) ;
  • 조수현 (농촌진흥청 국립축산과학원) ;
  • 강근호 (농촌진흥청 국립축산과학원) ;
  • 김진형 (농촌진흥청 국립축산과학원) ;
  • 박범영 (농촌진흥청 국립축산과학원) ;
  • 정다운 (전북대학교 동물소재공학과) ;
  • 정재홍 (안산공과대학 호텔조리과) ;
  • 정석근 (농촌진흥청 국립축산과학원) ;
  • 김동훈 (농촌진흥청 국립축산과학원)
  • Received : 2011.11.21
  • Accepted : 2012.02.14
  • Published : 2012.02.29
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Abstract

The aim of this study was to offer information about appropriate processing method for dry cured-ham with controlled ripening condition. In this study, three different treatments were performed: High salt group (HS), 18 hams were salted with 70 g $kg^{-1}$ salt (w/w) Middle salt group (MS), 18 hams were salted with 50 g $kg^{-1}$ salt Low salt group (LS), 18 hams were salted with 30 g $kg^{-1}$ salt. Also three drying periods were applied (180 days, 270 days and 360 days). The weight loss in HS was higher (5.62%) on curing step and in LS was higher (12.35%) on post-salting step compared to other groups. On fermentation stage, weight loss of HS was higher than that of LS (p<0.05). Weight loss on drying was increased as the drying period passes (p<0.05). Moisture contents were significantly (p<0.05) decreased and fat contents were significantly (p<0.05) increased in all treatment groups as drying period increased. The different drying periods affected fatty acid compositions on all salting levels; saturated fatty acid contents were increased (p<0.05) with more drying, whereas unsaturated fatty acid contents were decreased (p<0.05) as drying period increased.

돼지고기 저지방 부위의 활용도를 제고하기 위해 54개의 뒷다리를 사용하여 소금 처리수준과 건조기간이 건염햄의 중량감소 및 영양적 특성에 어떠한 영향을 미치는지를 조사하기 위해 소금 처리수준을 고염구(7%), 중염구(5%), 저염구(3%)로 하여 180일, 270일, 360일 동안 건조하여 건염햄을 제조하였다. 제조단계별 소금처리량에 따른 중량감소율을 조사한 결과, 염지단계에서는 고염구의 중량감소율이 5.62%로 가장 높았고, 염지 후 정치단계에서는 저염구의 중량감소율이 12.35%로 가장 높았으며, 발효단계에서는 고염구가 저염구보다 유의적으로 높은 중량감소율을 보였다(p<0.05). 또한 건조단계에서는 모든 소금 처리수준에서 건조기간이 증가할수록 중량감소율이 증가하는 경향을 보였다(p<0.05). 원료육 대비총 중량감소는 염지 시 사용된 소금처리 수준에는 영향을 받지 않으며, 건조기간이 길수록 감량이 많아졌다. 건조기간은 단계별 소금처리수준 모두에서 수분함량을 감소시켰으며(p<0.05), 상대적으로 조지방과 조단백질 함량이 증가하는 경향을 보였다. 또한 건조기간은 건염햄의 지방산 조성에도 영향을 미쳤으며, 건조기간이 길어질수록 포화지방산 함량은 많아지고 불포화지방산 함량은 줄어드는 경향을 보였다.

Keywords

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