The Korean Journal of Food And Nutrition (한국식품영양학회지)

The Korean Society of Food and Nutrition (한국식품영양학회)
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Changes in Storage Characteristics of Pork Rectum by Addition of Ginger (Zingiber officinale Roscoe)

생강의 첨가가 분쇄막창의 저장특성에 미치는 영향

  • Choi, Won-Seok (Dept. of Food Science & Technology, Korea National University of Transportation) ;
  • Choi, Ung-Kyu (Dept. of Food Science & Technology, Korea National University of Transportation)
  • 최원석 (한국교통대학교 식품공학과) ;
  • 최웅규 (한국교통대학교 식품공학과)
  • Received : 2014.07.30
  • Accepted : 2014.10.16
  • Published : 2014.10.31
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Abstract

This study was conducted to investigate the effects of ginger addition (1%, 5% and 10%) on the quality of ground pork rectum. No significant difference in the pH was found between raw and cooked pork rectum during storage; however, the pH of cooked rectum was slightly lower than raw rectum. The TBA value of the cooked pork rectum (0.25 mg/kg) was higher than raw pork rectum (0.1 mg/kg). In addition, the TBA values of both raw and cooked pork rectum increased as storage progressed. The TBA value was found to decrease in proportion to the amount of ginger added. The volatile basic nitrogen (VBN) values also decreased with the addition of ginger. Consequently, considering that the initial stage of decomposition was 30~40%, it was determined that it would be desirable to consume the raw and cooked pork rectum within 4 and 6 days of storage at $5^{\circ}C$, respectively. Further, it was found that the addition of 10% ginger could extend the storage period beyond the 4 days at $5^{\circ}C$.

신선한 암퇘지의 막창부위에 지방을 제거하고 파쇄기로 잘게 부수어 가열하지 않은 것과 $100^{\circ}C$의 autoclave에서 10분간 가열한 것에 분쇄한 생강을 1, 5 및 10%가 되게 첨가하여 polyethylene film으로 1차 포장한 후 알루미늄 호일로 2차 포장한 다음 $5^{\circ}C$에서 보관하면서 품질의 변화를 관찰하였다. 저장 중 pH는 첨가구 사이의 유의적인 차이를 나타내지 않았으나, 가열한 막창이 다소 낮은 값을 나타내었다. TBA가는 각각 0.1 mg/kg과 0.25 mg/kg으로 가열 막창이 생막창보다 높은 값을 나타내었으며, 두 처리구에서 모두 생강의 첨가가 TBA-value의 상승을 억제시켜 저장성을 연장시키는 것을 확인할 수 있었다. 휘발성 염기질소의 함량은 생강의 첨가로 감소하였으며, 30~40 mg%의 초기부패 판정기준을 고려할 때 생막창은 $5^{\circ}C$에서 4일, 가열막창은 6일 이내에 소비하는 것이 바람직할 것으로 판단되었다. VBN 함량을 기준으로 10% 생강의 첨가는 가열막창의 저장기간을 4일 가량 연장시킬 수 있는 것으로 확인되었다.

Keywords

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