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Changes of Components in Salt-Fermented Blenny, Enedrias nebulosus Sauce during Fermentation

베도라치액젓의 숙성 중 성분변화

  • Lim Yeong Seon (East Coastal Marine Bioresources Research Center (EMBRC), Kangnung National University) ;
  • You Byeong Jin (Department of Food Science, Kangnung National University) ;
  • Lee Keun Woo (Department of Food Science, Kunsan National University) ;
  • Kim Geon Bae (Department of Food Science, Kunsan National University) ;
  • Lee In Soo (National Fishery Product Ispection Station) ;
  • Cho Young Je (Faculty of Food Science and Biotechnology Institute of Seafood Science, Pukyong National University)
  • 임영선 (강릉대학교 동해안해양생물자원연구센터) ;
  • 유병진 (강릉대학교 식품과학과) ;
  • 이근우 (군산대학교 식품공학과) ;
  • 김건배 (군산대학교 식품공학과) ;
  • 이인수 (국립수산물검사원) ;
  • 조영제 (부경대학교 식품생명공학부/수산식품연구소)
  • Published : 2002.05.01

Abstract

To investigate changes of components in salt-fermented blenny, Enedrias nebulosus sauce during fermentation, various chemical properties were examined at 2$\~$3 months intervals during 18 months of fermentation. The degree of hydrolysis increased sharply until 6 months of fermentation and showed the gentle increasement after that. On the other hand, the contents of total and amino nitrogen, total ATP related compounds increased gradually during 18 months of fermentation, The hypoxanthine and uric acid were the most abundant in ATP related compounds, ranging from $80.1\% to $90.5\%. After 18 months of fermentation, sauce was rich in free amino acids such as glutamic acid, alanine, lysine, valine, leucine in that order.

베도라치액젓을 옥외의 자연조건 ($25\pm5^{\circ}C$)으로 18개월 동안 숙성 시키면서 2$\~$3개월 간격으로 성분변화에 대하여 조사하였다. 베도라치육의 가수분해도는 숙성 6개월까지는 $75.6\%$로 큰 폭의 증가를 보였으나, 그 이후에는 분해속도가 둔화되어 숙성 18개월 후에는 약 $89\%$의 질소화합물이 육으로부터 액으로 이행되었다. 액젓중의 총질소 및 아미노산성질소함량, 그리고 ATP 관련물질 총량은 숙성기간에 비례하여 일정하게 증가하였으며, 숙성 2개월부터 ATP 관련물질은 거의 대부분 (80.1$\~$$90.5\%$)이 Hx과 요산이었다. HxR+HX 함량과 요산량이 교차되는 숙성 6.8개월 부근은 $76.5\%$의 높은 분해율을 보여 경제적인 출하시점으로 판단된다. 18개월간 숙성시킨 베도라치액젓의 유리아미노산 총량은 6,096.9mg/100mL으로 원료육 아미노산 총량 (7,555.6mg/100g)의 약 $81\%$ 정도였으며, 주요 아미노산은 glutamic acid ($16.3\%$), alanine ($10.9\%$), Iysine ($10.8\%$), valine ($9.9\%$), leucine ($9.4\%$) 등의 순이었다.

Keywords

References

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