KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY (한국포장학회지)

Korea Society of Packaging Science and Technology (한국포장학회)
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Status of Packaging Materials for Frozen Foods and Analysis of Temperature Changes inside Packaging Materials during Frozen Process

냉동식품용 포장재 현황 및 냉동 과정 중 포장재 내부 온도 변화에 관한 연구

  • Received : 2019.04.25
  • Accepted : 2019.04.29
  • Published : 2019.04.30
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Abstract

This study analyzed various packaging materials and types for frozen foods and the effects of packaging materials on temperature changes during frozen process. Pouches with different film thickness were prepared and placed in an IQF freezer, then the temperature inside pouches measured using a deep thermometer. The most common types of primary packaging for frozen foods in the market was plastic pouches with polyethylene or polyamide/polyethylene multilayer materials. The temperature change inside of packaging was delayed with film thickness increased. As the size of packaged food increased, the temperature change inside the food was slowed down. In addition, the pouches with air inside took more time to reach $-30^{\circ}C$ compared to pouches with less air during frozen process. This study provides information on packaging materials and types for frozen foods and preliminary data of temperature change by different types of packaging.

본 연구는 냉동용 포장재의 현황 및 특성을 분석하기 위해 국내외 연구논문에서 이용된 냉동 식품용 포장재를 분석하였고 유통되고 있는 냉동 식품을 조사하였다. 또한 포장된 식품이 냉동되었을 때 포장재 내부의 온도 및 내용물의 심부 온도 변화를 분석하였다. 포장재 재질로는 폴리에틸렌(PE)과 폴리아마이드/폴리에틸렌(PA/PE) 다층필름이 주로 이용되고 있음을 확인할 수 있었다. 냉동 식품의 포장에 이용된 포장 형태별 사용 빈도는 플라스틱 파우치가 39.5%로 가장 많았으며, 플라스틱 용기(37.2%), 스탠드업 파우치(19.8%), 보냉팩(3.5%)순으로 사용되었다. 포장된 후 냉동되는 제품의 포장에 의한 내용물의 냉각 속도 영향을 분석한 결과, 온도 변화에 대한 요인으로 필름의 종류보다 필름의 두께에 의한 것이 더 크게 작용하고 필름 내 공기 층은 온도 하강 속도에 영향을 주므로 공기 층을 제거한 포장이 냉각속도를 높이는데 유리하였다. 냉동 조건에서의 내충격성과 유통 중 차단성을 고려하고, 열전도도가 상대적으로 높고 진공도를 높여 공기층을 줄일 수 있는 폴리아마이드/폴리에틸렌재질의 포장재의 선택과 두께를 최소화 하는 방안이 가장 효율적이라고 판단된다. 본 연구는 냉동식품용으로 이용되는 포장재 및 식품을 포장한 후 냉동을 진행할 경우 포장에 의한 온도 변화에 대한 기초 정보를 제공한다.

Keywords

References

  1. Kim, H. Y., Oh, S. W., Chung, S. Y., Choi, S. H., Lee, J. W., Yang, J. Y., and Shin, I. S. 2011. An investigation of microbial contamination of ready-to-eat products in Seoul, Korea. Korean Journal of Food Science and Technology. 43(1): 39-44. https://doi.org/10.9721/KJFST.2011.43.1.039
  2. Song, H. J., Chang, Y., Choi, J. C., Park, S., & Han, J. 2017. Analytical Survey on the Package Source, Components, and Various Characteristics of Processed Foods in Korea. 23(3): 173-181. https://doi.org/10.20909/kopast.2017.23.3.173
  3. Kim, Y. B., Woo, S. M., Jeong, J. Y., Ku, S. K., Jeong, J. W., Kum, J. S., and Kim, E. M. 2013. Temperature changes during freezing and effect of physicochemical properties after thawing on meat by air blast and magnetic resonance quick freezing. Korean Journal for Food Science of Animal Resources. 33(6): 763-771. https://doi.org/10.5851/kosfa.2013.33.6.763
  4. Kim, J., Min, S., Choi, M., Yoo, S., Jo, Y., and Chun, J. 2015. Effect of Various Freezing and Thawing Methods on Physicochemical Characterization of Carrot. Food Eng. Prog. 19(4): 306-312. https://doi.org/10.13050/foodengprog.2015.19.4.306
  5. Tolstorebrov, I., Eikevik, T. M., and Indergard, E. 2014. The influence of long-term storage, temperature and type of packaging materials on the lipid oxidation and flesh color of frozen Atlantic herring fillets (Clupea harengus). International Journal of Refrigeration. 40: 122-130. https://doi.org/10.1016/j.ijrefrig.2013.11.014
  6. Lee, K. T. 2000. The proper selection of packaging material for improvement of quality and safety of dairy products. J. of Korean dairy Thchno. And Sci, 18(2): 129-150.
  7. Kim, D. W. 1990. Characteristic and types of materials for food packaging. Food Sci. Ind. 23: 12-35.
  8. Gokhale, A. A., Lu, J., Parker, N. J., Izbicki, A. P., Sanyal, O., and Lee, I. 2013. Conductive oxygen barrier films using supramolecular assembly of graphene embedded polyelectrolyte multilayers. Journal of Colloid and Interface Science. 409(2013): 219-226. https://doi.org/10.1016/j.jcis.2013.07.036
  9. Matcenter.org. 2018. chemicalBankContent[online] Available at: http://www.matcenter.org/intro.do?cmd=chemicalBankContent [Accessed 14 Mar. 2018].
  10. Novotni, D., Curic, D., Galic, K., Skevin, D., Nederal, S., Kraljic, K., and Jezek, D. 2011. Influence of frozen storage and packaging on oxidative stability and texture of bread produced by different processes. LWT - Food Science and Technology. 44(3): 643-649. https://doi.org/10.1016/j.lwt.2010.11.020
  11. Indergard, E., Tolstorebrov, I., Larsen, H., and Eikevik, T. M. 2014. The influence of long-term storage, temperature and type of packaging materials on the quality characteristics of frozen farmed Atlantic Salmon (Salmo Salar). International Journal of Refrigeration. 41: 27-36. https://doi.org/10.1016/j.ijrefrig.2013.05.011
  12. Karpinska-Tymoszczyk, M. 2014. The effect of antioxidants, packaging type and frozen storage time on the quality of cooked turkey meatballs. Food Chemistry. 148: 276-283. https://doi.org/10.1016/j.foodchem.2013.10.054
  13. Chun, H. H., Choi, E. J., Han, A. R., Chung, Y. B., Kim, J. S., and Park, S. H. 2016. Changes in quality of hanwoo bottom round under different freezing and thawing conditions. Journal of the Korean Society of Food Science and Nutrition. 45(2): 230-238. https://doi.org/10.3746/jkfn.2016.45.2.230
  14. Ku, H. L. S., and Park, H. C. J. 2017. Quality Characteristics of Korean Rice Cake by Freezing Methods. Korean J. Food Cook Sci. 33(2): 148-154. https://doi.org/10.9724/kfcs.2017.33.2.148
  15. Lee, J. G., Kim, K. Il, Hwang, I. G., Yoo, S. M., Min, S. G., and Choi, M. J. 2015. Effects of various thermal treatments on physicochemical and nutritional properties of shiitake mushrooms. Journal of the Korean Society of Food Science and Nutrition. 44(6): 874-881. https://doi.org/10.3746/jkfn.2015.44.6.874
  16. Robertson Gordon L. 2013. Food Packaging Principles and Practice. Taylor & Francis Group. United states of America. Third edition. pp. 501.
  17. Wagner John R. Jr. 2010. Multilayer Flexible Packaging. Elsevier's Science & Technology Rights. Department in Oxford. UK. pp. 223-225.

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