KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY (한국포장학회지)

Korea Society of Packaging Science and Technology (한국포장학회)
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Development of an Antimicrobial Edible Coating to Improve Microbial Safety of Wild Vegetables

산채류의 미생물 안전성 증진을 위한 가식성 항균 코팅 개발 및 적용

  • Jieun Choi (Department of Food and Nutrition, Kookmin University) ;
  • Bong Sun Kim (Department of Food Science and Technology, Seoul Women's University) ;
  • Yoonjee Chang (Department of Food and Nutrition, Kookmin University) ;
  • Jaewoo Bai (Department of Food Science and Technology, Seoul Women's University)
  • 최지은 (국민대학교 식품영양학과) ;
  • 김봉선 (서울여자대학교 식품공학과) ;
  • 장윤지 (국민대학교 식품영양학과) ;
  • 배재우 (서울여자대학교 식품공학과)
  • Published : 2024.04.30
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Abstract

The edible coating system, consisting of gelatin and bacteriophages, has been developed to enhance the microbial safety of wild vegetables. Newly isolated Escherichia coli phage EP and Staphylococcus aureus phage SP were loaded into the gelatin coating solutions. The phages remained significantly stable for up to 3 days, respectively, and exhibited rapid antibacterial capacity within 2 h of coating application (p < 0.05). The developed coating was applied to bracken and exhibited antibacterial efficacy against E. coli and S. aureus within 6 h (1.9-log CFU/mL and 1.5-log CFU/mL). Furthermore, the coated bracken significantly prevented weight loss and maintained firmness for 10 days (p < 0.05). Consequently, gelatin-based edible coatings containing phages have the potential as an antibacterial packaging strategy.

Keywords

Acknowledgement

이 성과는 산림청(한국임업진흥원) 산림과학기술 연구개발사업(No. 2021375A00-2323-BD02)의 지원을 받아 수행된 연구 입니다. 또한, 본 연구는 서울여자대학교 학술연구비의 지원을 받아 진행되었습니다(2024-0151).

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