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

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Effect of Sword Bean Chunggukjang Addition on Quality of Kochujang

작두콩 청국장 첨가 고추장의 품질 특성

  • Chang, Moon-Ik (Korea Food & Drug Adminstration) ;
  • Kim, Jae-Young (Food Safety Evaluation Department, National Institute of Food & Drug Safety Evaluation, Korea Food & Drug Adminstration) ;
  • Kim, Seong-Jo (Dept. of Food and Environmental Sciences, Wonkwang University) ;
  • Baek, Seung-Hwa (Dept. of Biofood Science and Biotechnology, Chungbuk Provincial University)
  • 장문익 (식품의약품안전청) ;
  • 김재영 (식품의약품안전청 식품의약품안전평가원) ;
  • 김성조 (원광대학교 식품.환경학과) ;
  • 백승화 (충북도립대학교 바이오식품생명과학과)
  • Received : 2011.07.08
  • Accepted : 2011.08.02
  • Published : 2011.09.30
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Abstract

This research aimed to determine the quality characteristics of kochujang made of sword bean chunggukjang. The effects of chunggukjang addition were compared in products fermented for 90 days. During the fermentation period of kochujang, sword bean chunggukjang was added at 0, 2, 5, 8, and 10%. The moisture content ranged from 40.24 to 42.83% (w/w). After 90 days of fermentation, sodium chloride was at around 10.2 to 10.3%, which was not much different from that of control kochujang (SBC 0) before and after fermentation. The color values were not significantly different between SBC kochujang and traditional kochujang. The microbial counts in 0, 2, 5, 8, and 10% SBC kochujang fermented for 90 days were around $5.42{\times}10^7$ to $9.59{\times}10^7$ CFU/g for aerobic viable cells, $1.14{\times}10^2$ to $9.73{\times}10^2$ CFU/g for yeast, and $8.49{\times}10^2$ to $1.25{\times}10^3$ CFU/g for Bacillus cereus. Sensory evaluation of kochujang showed that the comprehensive preference was 5.40, 5.15, 6.30, 6.10, and 6.95, respectively, for SBC 0, 2, 5, 8, and 10%. In conclusion, the quality difference between SBC and traditional kochujang was not significant, and sensory evaluation of kochujang showed that SBC 10% received the highest score.

본 연구는 우리의 전통발효식품인 고추장을 제조할 때 품질향상을 부여하기 위한 방법으로 영양성 및 기능성이 풍부하다 알려진 작두콩으로 제조한 청국장 분말을 메주 대신 사용하여 제조한 고추장의 품질 특성 변화를 조사한 결과는 다음과 같다. 작두콩청국장분말(SBC)의 첨가비율을 달리한 SBC 2, 5, 8 및 10%의 숙성기간 중 수분함량 변화는 대조고추장(SBC 0)과 비교하여 차이가 없었다. SBC 2, 5, 8 및 10의 담금 초기 염도는 SBC 첨가량에 따른 변화가 없었고, 90일 숙성 후 염도도 숙성전후의 SBC 0과 차이가 없었다. 환원당 함량은 SBC 첨가비율이 높을수록 증가하였다. 색도는 SBC 첨가에 따른 큰 차이가 없었다. 90일 숙성된 고추장의 미생물상은 호기성 세균의 경우 $5.42{\times}10^7{\sim}9.59{\times}10^7$ CFU/g 수준이었고, 효모의 경우 $1.14{\times}10^2{\sim}9.73{\times}10^2$ CFU/g이었다. 작두콩청국장 첨가 고추장과 대조고추장에서 검출된 Bacillus cereus 식중독 균은 $8.49{\times}10^2{\sim}1.25{\times}10^3$ CFU/g 수준으로 비슷하거나 약간 낮은 수준이었다. 90일 숙성된 고추장의 관능평가 결과 종합적 기호도는 6.95로 SBC 10이가장 우수하였다. 이상의 결과를 보아 작두콩청국장분말을 첨가한 고추장의 품질은 일반메주로 제조한 고추장과 비교하여 큰 차이가 없고, 관능적으로 SBC 10의 품질이 SBC 0보다 우수함을 알 수 있었다.

Keywords

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