Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
권호 표지

Nitrogen Compounds and Free Amino Acids of Black Bean Kanjang Prepared with Different Cooking Conditions of Whole Black Bean

원료콩의 증자조건을 달리한 검정콩 간장의 질소화합물 및 유리아미노산

  • 고영란 (순천대학교 식품영양학과) ;
  • 권선화 (한국전통발효식품연구소) ;
  • 최재훈 (한국전통발효식품연구소) ;
  • 손미예 (한국전통발효식품연구소) ;
  • 박석규 (순천대학교 식품영양학과, 한국전통발효식품연구소)
  • Published : 2003.03.01
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Abstract

Total nitrogen(TN) contents in all samples were in the range of 308.3 to 925.9 mg% and TN value of kanjang prepared with high pressure(HPK)-heated bean was lower than that of normal pressure(NPK) and steam(SPK)-heated bean. TN content was slightly increased according to the heating time of bean. Amino type nitrogen(AIN) contents in all samples were in the range of 133 to 451.5 mg％ and AIN value of NPK(451.5 mg%) was higher than that of HPK(133∼171.5 mg%) and SPK(178.9∼224 mg%). Ammonia type nitrogen(AON) contents in all samples were in the range of 23.5 to 142.0 mg% and AON value of HPK was lower than that of HPK and SPK. Free amino acid(FA) contents in all samples were in the range of 133 to 451.5 mg%, and then FA content of NPK was higher than that of SPK(178.9∼224 mg%) and HPK(133 ∼171.5 mg%). Lightness(L) value of Hunter color in all samples were in the range of 45.13 to 49.08 and was similar with each other. Redness(a) and yellowness(b) value were in the range of 25.30∼34.43 and 52.55∼74.13, respectively.

검정콩을 이용한 기능성 간장을 제조하기 위한 연구의 일환으로 원료 콩의 증자조건에 따른 검정콩 전통간장의 숙성후, 질소화합물 및 유리아미노산의 함량을 조사하였다. 총질소 함량은 308.3∼925.0 mg%로 나타났으며, 상압이나 스팀에 비하여 가압으로 증자한 간장의 총질소 함량이 아주 낮았고, 스팀증자 시간이 길어짐에 따라 총질소 함량이 증가하였다 아미노태질소 함량은 133∼451.5 mg%로 나타났으며, 상압(451.5 mg%)이 가장 높았으며, 스팀(178.9∼224 mg%)이 가압으로 증자한 간장(133∼171.5 mg%)에 비하여 약간 높은 편이었다. 암모니아태 질소함량은 23.S∼142.0 mg%로 나타났으며, 상압과 스팀에 비하여 가압으로 증자한 검정콩 간장이 암모니아태 질소의 함량이 낮게 나타났다. 유리아미노산 함량은 133∼451.5 mg%로 나타났으며, 상압(451.5 mg%)이 가장 높았으며, 다음으로 스팀(178.9∼224 mg%)이 가압으로 증자한 간장(133∼171.5 mg%)에 비하여 약간 높은 편이었다. 색도의 명도(L값)은 45.13∼49.08의 범위로 시험구간에 큰 차이는 없었으나 대부분 상당히 낮은 값을 나타내었고, 적색도(a값)와 황색도(b값)은 각각 25.30∼34.43, 52.55∼74.13의 범위로 시험구간에 약간 차이가 있었다.

Keywords

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