화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.25, No.1, 134-138, January, 2008
DOI10.1007/s11814-008-0024-3  Export Citation
Optimization of adhesive strength to plywood of gelatin processed from dorsal skin of yellowfin tuna (Thunnus albacares)
Jae-Hwan Yoon, Jin-Wook Woo, Hye-Jin Rho, Ju-Ryun Ahn, Sung-Jae Yu, Yang-Bong Lee, Chang-Kwon Moon1, and Seon-Bong Kim†
  • Department of Food Science and Technology/Institute of Food Science, Pukyong National University, Busan 608-737, Korea
  • 1Department of Materials Science and Engineering, Pukyong National University, Busan 608-737, Korea
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Gelatin from yellowfin tuna (Thunnus albacares) dorsal skin was optimized for adhesive strength to plywood using surface response methodology of a central composite design with a dependent variable of adhesive strength (Y, kgf/cm2) and two independent variables of gelatin concentration (X1, %) and hardening time (X2, hrs). From the above design, a maximum adhesive strength of 49.84 kgf/cm2 was obtained under the optimal treatment condition of 15.85% gelatin concentration and 25.68 hr hardening time. The adhesive strength under optimum conditions was 50.93 kgf/cm2. The adhesive strength of the tuna gelatin was shown to be superior to that of bovine and porcine gelatins which had adhesive strengths of 34.75 and 34.9 kgf/cm2, respectively.
Keywords:Yellowfin Tuna (Thunnus albacares);Gelatin;Adhesive Strength;Response Surface Methodology
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