Characteristics of Taste Compounds of Red Snow Crab Cooker Effluent and Hepatopancreas for Developing a Crab-like Flavorant

게향 소재 개발을 위한 붉은 대게 자숙액 및 내장의 정미 성분 특성

  • Cha, Yong-Jun (Dept. of Food and Nutrition, Changwon National University) ;
  • Cho, Woo-Jin (Dept. of Food and Nutrition, Changwon National University) ;
  • Jeong, Eun-Jeong (Dept. of Food and Nutrition, Changwon National University)
  • 차용준 (창원대학교 식품영양학과) ;
  • 조우진 (창원대학교 식품영양학과) ;
  • 정은정 (창원대학교 식품영양학과)
  • Published : 2006.12.31

Abstract

In order to develop materials of crab-like flavorant, taste compounds including physicochemical characteristics were analyzed in red snow crab cooker effluent(RSCCE) and hepatopancreas. The $30\;^{\circ}Brix$ was a suitable condition in from 1.5 to $40\;^{\circ}Brix$ RSCCE by sensory evaluation. Lactic acid and succinic acid were major compounds in non-volatile organic acids detected in both $30\;^{\circ}Brix$ RSCCE and hepatopanceras. The 5 compounds such as AMP, HxR, IMP, ATP and GMP were major in ATP related compounds of $30\;^{\circ}Brix$ RSCCE, whereas 3 compounds including IMP, GMP and Hx in hepatopanceras. The content of total free amino acids in hepatopancreas was 5.6 times higher than in $30\;^{\circ}Brix$ RSCCE. The major compounds in $30\;^{\circ}Brix$ RSCCE were followed by methionine, lysine, arginine, valine, histidine, alanine, hydroxy proline, and glycine in that order, whereas methyl histidine, leucine, alanine, glutamic acid, glycine, valine, threonine, taurine, isoleucine, and serine were followed in hepatopancreas. By adding 0.5%(w/w) hepatopancreas in $30\;^{\circ}Brix$ RSCCE, crab meat-like odor was kept high level by sensory evaluation.

붉은 대게 가공공정 중에 얻어지는 자숙액 및 내장의 천연 게향 소재로서의 가능성을 검토하고자 정미성분을 포함한 신품학적인 특성을 분석 비교한 결과는 다음과 같다. 붉은 대게 자숙액을 $40\;^{\circ}Brix$까지 농축시키면서 관능 검사 및 냄새 특성 강도를 수행한 결과 $30\;^{\circ}Brix$가 가장 양호하였다. 그리고 붉은 대게 농축 자숙액$(30^{\circ}Brix)$과 내장의 불휘발성 유기산에서는 lactic acid가 가장 많았고 다음으로 succinic acid이었다. 핵산 관련 물질은 IMP, Hx 및 GMP가 내장에서 대부분이었고, AMP, HxR, IMP 및 GMP 등이 자숙액에서 대부분을 차지하였다. 내장의 유리 아미노산 총량은 농축 자숙액에 비해 5.6배나 많았다. 조성면에서는 methionine, lysine, arginine, valine, histidine, alanine, hydroxy proline 및 glycine 등 8종이 자숙액 전체 아미노산의 72%를 차지하였고, 내장에서는 methyl histidine, leucine, alanine, glutamic acid, glycine, valine, threonine, taurine, isoleucine 및 serine 등 10종이 전체의 74%를 차지하였다. 결론적으로 천연 게향 제조를 위한 소재로서는 $30\;^{\circ}Brix$ 농도의 붉은 대게 농축 자숙액에 0.5%(w/w)의 붉은 대게 내장을 첨가하는 것이 적합하였다

Keywords

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