산업식품공학 (Food Engineering Progress)

  • 제21권2호
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  • Pages.138-142
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  • 2017
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  • 1226-4768(pISSN)
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  • 2288-1247(eISSN)
한국산업식품공학회 (Korean Society for Industrial Food Engineering)
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분리 대두 단백 효소가수분해물의 강도평가를 통한 짠맛증진효과 연구

A Study of Salty Enhanceability of Enzymatically Hydrolyzed Isolated Soy Protein

  • 투고 : 2017.05.12
  • 심사 : 2017.05.15
  • 발행 : 2017.05.31
⟨ 이전 논문 다음 논문 ⟩

초록

소금의 과량 섭취가 성인병, 생활습관병 등 여러 건강상에 문제가 있다는 보고에 의해 이를 해결하기 위한 다양한 연구가 진행되고 있다. 우리나라도 전통적인 식생활 습관에 의해 많은 소금을 섭취하고 있어 이를 개선하기 위한 범국가적으로 노력하고 있다. 최근 콩단백질을 활용한 우리나라의 발효 식품인 간장 등이 짠맛을 증진한다는 보고가 있어 이에 대한 연구가 활발히 이루어지고 있다. 본 연구에서는 간장의 주원료인 콩단백질을 가수분해하여 얻어진 효소가수분해(eHISP)의 짠맛 증진 효과에 대해 살펴보았다. 동일한 소금농도의 용액에 eHISP의 첨가량을 달리하였을 때 첨가량이 증가할수록 짠맛 증진효과도 증가하여, 50 mmol/L의 용액에 2%의 eHISP를 첨가하였을 경우 $70.13%{\pm}5.45%$의 짠맛 강도를 인지하였으며, 용액의 소금농도가 낮을수록 eHISP의 첨가에 따른 짠맛 증진효과가 더 크게 나타났다. 이러한 짠맛 증진효과는 콩단백질의 주요 아미노산 성분인 glutamic acid, aspartic acid와 효소가 수분해에 포함되어 있는 arginyl dipeptide와 같은 저분자량의 펩타이드 등의 상호작용에 의한 것으로 보인다. 0.1%에서 2%까지 eHISP의 첨가량을 달리하였을 경우 최소 2%에서 최대 39%의 짠맛 증진 효과를 나타내어 분리대두단백질의 효소가수분해물이 짠맛 증진물질로서 활용 가능성이 있는 것으로 판단된다.

This study investigated the possible use of enzymatically hydrolyzed isolated soy protein (eHISP) to enhance the intensity of salty taste. The sodium chloride content of eHISP is 69.5 g/L. Yellowness (b) increased, and lightness (L) and redness (a) decreased with increasing eHISP concentration in sample solution. Also, perceived salty intensity of eHISP solution increased in sample solution with increasing added amount of eHISP with same NaCl concentration. The intensity of the salty taste was enhanced by 2-39% as the eHISP was added. The results suggest that it may be possible to reduce the content of sodium chloride in foods by enhancing the salty taste with eHISP.

키워드

참고문헌

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피인용 문헌

  1. 단백질 가수분해물을 이용한 식품 내 소금 저감화 vol.51, pp.4, 2017, https://doi.org/10.23093/fsi.2018.51.4.313
  2. 단백질 가수분해물을 이용한 식품 내 소금 저감화 vol.51, pp.4, 2017, https://doi.org/10.23093/fsi.2018.51.4.313
  3. Sensory Characteristics of Enzymatically Hydrolyzed Isolated Soy Protein by Descriptive Analysis vol.23, pp.1, 2017, https://doi.org/10.13050/foodengprog.2019.23.1.39