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알 및 알가공품의 유통기한 설정을 위한 지표개발 및 산출 연구

A Study of Establishment and Exploitation of Bio-markers for Determination of Shelf-life of Eggs and Egg Products

  • 안지희 (건국대학교 축산식품생물공학전공) ;
  • 박정민 (건국대학교 축산식품생물공학전공) ;
  • 구자경 (건국대학교 축산식품생물공학전공) ;
  • 윤수진 (건국대학교 축산식품생물공학전공) ;
  • 이정수 (건국대학교 축산식품생물공학전공) ;
  • 김장미 (건국대학교 축산식품생물공학전공) ;
  • 김세헌 (고려대학교 식품공학부) ;
  • 김영주 ((사)대한주부클럽연합회) ;
  • 박재우 (농림수산검역검사본부 축산물기준과) ;
  • 송성옥 (농림수산검역검사본부 축산물기준과) ;
  • 위성환 (농림수산검역검사본부 축산물기준과) ;
  • 김진만 (건국대학교 축산식품생물공학전공)
  • An, Ji-Hui (Department of Food Science and Biotechnology of Animal Resources, Konkuk University) ;
  • Park, Jung-Min (Department of Food Science and Biotechnology of Animal Resources, Konkuk University) ;
  • Gu, Ja-Gyeong (Department of Food Science and Biotechnology of Animal Resources, Konkuk University) ;
  • Yoon, Su-Jin (Department of Food Science and Biotechnology of Animal Resources, Konkuk University) ;
  • Lee, Jeong-Soo (Department of Food Science and Biotechnology of Animal Resources, Konkuk University) ;
  • Kim, Jang-Mi (Department of Food Science and Biotechnology of Animal Resources, Konkuk University) ;
  • Kim, Sae-Hun (Division of Food Bioscience and Technology, Korea University) ;
  • Kim, Ryong-Joo (Korean Federation of Housewives Clubs) ;
  • Park, Jae-Woo (Livestock Products Standard Division, Animal, Plant, and Fisheries Quarantine and Inspection Agency) ;
  • Song, Sung-Ok (Livestock Products Standard Division, Animal, Plant, and Fisheries Quarantine and Inspection Agency) ;
  • Wee, Sung-Hwan (Livestock Products Standard Division, Animal, Plant, and Fisheries Quarantine and Inspection Agency) ;
  • Kim, Jin-Man (Department of Food Science and Biotechnology of Animal Resources, Konkuk University)
  • 투고 : 2012.01.19
  • 심사 : 2012.06.08
  • 발행 : 2012.06.30

초록

본 연구는 국내에서 유통되고 있는 식용란 및 전란액의 품질지표설정을 통하여 유통기한을 산출하기 위해 수행하였다. 식용란은 및 전란액(살균, 비살균)에 대한 저장기간별 저장온도에 따른 미생물학적, 이화학적, 관능적 특성을 측정하였다. 품질지표 개발을 위해 저장기간별 저장온도에 따라 식용란은 세균수, 대장균군, Salmonella sp., VBN, pH, 산가, Haugh unit을 품질지표로 설정하여 측정하였으며, 전란액은 Haugh unit을 제외하여 측정하였다. 유통기한은 품질지표 중 가장 먼저 품질한계에 도달한 성상(관능)을 근거로 하여 $10^{\circ}C$에서는 42일, $15^{\circ}C$에서는 27일,$25^{\circ}C$에서는 9일, $35^{\circ}C$에서는 2일, $45^{\circ}C$에서는 1일로 산출하였다. 전란액은 품질지표 중 가장 먼저 품질한계에 도달한 세균수를 근거로 하였으며, 살균전란액은 $10^{\circ}C$에서는 7일, $15^{\circ}C$에서는 3일, $25^{\circ}C$에서는 2일, $35^{\circ}C$에서는 1일, $45^{\circ}C$에서는 1일 미만으로 산출하였고 비살균전란액은$10^{\circ}C$에서는 4일, $15^{\circ}C$에서는 2일, $25^{\circ}C$에서는 1일, $35^{\circ}C$$45^{\circ}C$에서는 1일 미만으로 유통기한을 산출하였다. 결론적으로 저장기간과 가장 높은 상관관계를 가진 온도의 품질 한계일을 유통기한으로 산출하였다. 따라서 식용란은 27일, 살균전란액은 7일, 비살균전란액은 4일로 유통기한을 산출하였다.

The study was conducted to determine bio-markers and establish shelf-life for eggs and egg products. The selected biomarkers were measured storage period according to samples (two months for table eggs and two weeks for whole liquid eggs) and five storage temperatures ($10^{\circ}C$, $15^{\circ}C$, $25^{\circ}C$, $35^{\circ}C$ and $45^{\circ}C$). The bio-markers for table eggs determined pH, acid value, VBN (volatile basic nitrogen), HU (Haugh unit), aerobic plate counts, coliform group, and Salmonella sp. The bio-markers for whole liquid eggs excluded HU in the bio-markers of eggs. The shelf-life of table eggs observed as 42 d at $10^{\circ}C$, 27 d at $15^{\circ}C$, 9 d at $25^{\circ}C$, 2 d at $35^{\circ}C$, and 1 d at $45^{\circ}C$ in sensory overall acceptability. The shelf-life of pasteurized whole liquid eggs observed as 7 d at $10^{\circ}C$, 3 d at $15^{\circ}C$, 2 d at $25^{\circ}C$, 1 d at $35^{\circ}C$, and less than one d at $45^{\circ}C$ in total plate count. The shelf-life of non- pasteurized whole liquid eggs observed as 4 d at $10^{\circ}C$, 2 d at $15^{\circ}C$, 1 d at $25^{\circ}C$, and less than 1 d at $35^{\circ}C$ and $45^{\circ}C$ in total plate count.

키워드

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