Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Physicochemical and Sensory Properties of Salt-Fermented Shrimp Prepared with Various Salts

여러 종류의 소금으로 제조한 새우젓의 이화학적 특성 및 관능적 특성

  • Lee, Kang-Deok (Dept. of Food Engineering and Solar Salt Biotechnology Research Center, Mokpo National University) ;
  • Choi, Cha-Ran (Dept. of Food Engineering and Solar Salt Biotechnology Research Center, Mokpo National University) ;
  • Cho, Jeong-Yong (Dept. of Food Engineering and Solar Salt Biotechnology Research Center, Mokpo National University) ;
  • Kim, Hag-Lyeol (Dept. of Food Engineering, Mokpo National University) ;
  • Ham, Kyung-Sik (Dept. of Food Engineering and Solar Salt Biotechnology Research Center, Mokpo National University)
  • 이강덕 (목포대학교 식품공학과 및 천일염 생명과학연구소) ;
  • 최차란 (목포대학교 식품공학과 및 천일염 생명과학연구소) ;
  • 조정용 (목포대학교 식품공학과 및 천일염 생명과학연구소) ;
  • 김학렬 (목포대학교 식품공학과) ;
  • 함경식 (목포대학교 식품공학과 및 천일염 생명과학연구소)
  • Published : 2008.01.31
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Abstract

Salt is a major component in salt-fermented shrimp with 25% content. There are various types of salts that have different compositions, which may affect the quality of salt-fermented shrimp. We have investigated effects of various salts such as Korean solar salt (KSS), purified salt (PS), sea-concentrated salt (SCS), glasswort (Salicornia herbacea L.) spray solar salt (GSS), glasswort-sea-concentrated salt (GSCS) and spray-dried salt (SDS) on the physicochemical and sensory properties of fermented shrimps. Ammonia nitrogen content of the salted shrimp prepared with SDS was lower than others until 60 day fermentation. At 90 day fermentation, amino nitrogen contents of salted shrimps prepared with GSCS and GSS (980 mg%) were higher than those of the others while sample prepared with SDS showed the lowest amino nitrogen content (680 mg%). Volatile basic nitrogen content of salted shrimp prepared with SDS was also lower than those of the others between 14 and 60 day fermentation and there were differences among samples in the contents of trimethylamine at 180 day fermentation. Sensory evaluation results indicated significant differences in salty, overall taste and overall acceptance among samples. Overall acceptance was significantly higher in salt-fermented shrimp prepared with KSS, SCS, GSS, GSCS and SDS than in fermented shrimp with PS.

본 연구는 여러 종류의 소금(한국산 천일염, 정제염, 함초 해수농축염, 함초 스프레이 천일염, 해수농축염, 분무건조염)을 사용하여 제조한 새우젓의 발효과정 중 이화학적 및 관능적 특성에 대하여 조사하였다. 발효 60일까지는 분무건조염으로 제조한 새우젓의 암모니아태 질소의 함량이 다른 소금에 비하여 낮은 값을 보였으며 아미노태 질소 역시 발효기간 동안 낮은 값을 나타내었다. 발효 90일에는 함초 성분이 포함된 소금으로 제조한 새우젓의 아미노태 질소 값이 약 980 mg%로 가장 높았고 분무건조염은 680 mg%로 가장 낮아 소금 종류에 따른 차이를 보였다. 그러나 아미노태 질소는 발효가 진행됨에 따라 그 차이가 감소하였다. VBN은 발효 14일부터 60일까지 분무건조염으로 제조한 새우젓이 다른 시료에 비해 낮은 값을 보였으며 TMA는 발효 180일 후 정제염이 가장 높은 값을 나타내어 소금의 종류에 따라 근소한 차이를 보였다. 180일 동안 발효시킨 새우젓을 대상으로 실시한 관능평가의 결과 짠맛, 전체적인 맛, 전체적인 기호도 등에서 시료 간에 유의적인 차이가 나타났고, 천일염 및 가공염으로 제조한 새우젓이 전체적인 기호도에서 정제염으로 제조한 새우젓에 비해 높게 평가되었다.

Keywords

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