Bioadhesive Characteristics of Biofilm Manufactured from Gelatin Derived from Acetic Acid-treated Skin of the Yellowfin Tuna Thunnus albacares

아세트산처리 황다랑어(Thunnus albacares) 껍질 유래 젤라틴으로 제조한 바이오필름의 생체 접착 특성

  • Kim, Ju-Yeon (Department of Food Science and Technology/Institute of Food Science, Pukyong National University) ;
  • Kim, Do-Hyeong (Department of Food Science and Technology/Institute of Food Science, Pukyong National University) ;
  • Moon, Chang-Kwon (Division of Materials Science and Engineering, Pukyong National University) ;
  • Kim, Seon-Bong (Department of Food Science and Technology/Institute of Food Science, Pukyong National University)
  • 김주연 (부경대학교 식품공학과/식품연구소) ;
  • 김도형 (부경대학교 식품공학과/식품연구소) ;
  • 문창권 (부경대학교 재료공학부) ;
  • 김선봉 (부경대학교 식품공학과/식품연구소)
  • Received : 2011.09.07
  • Accepted : 2011.12.07
  • Published : 2011.12.30


This study aimed to demonstrate the bioadhesive characteristics of gelatin biofilm to rat skin. The biofilm was manufactured from gelatin extracted from the acetic acid treated-skin of the yellowfin tuna Thunnus albacares. The bioadhesive strength of tuna gelatin biofilm was compared to that of porcine gelatin biofilm. The tuna gelatin biofilm exhibited a higher bioadhesive strength than the porcine gelatin biofilm. Gelatin biofilm was subjected to glutaraldehyde treatment at different concentrations, temperatures and pH in order to improve its bioadhesive strength. Glutaraldehyde treatment improved the bioadhesive strength of gelatin biofilm up to three-fold. The bioadhesive strength of glutaraldehyde treated-biofilm was significantly decreased by application of sodium borohydride.


Supported by : 한국연구재단


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