Physicochemical Analysis and Sensory Evaluation of Fermented Soy Sauce from Gorosoe(Acer mono Max.) and Kojesu(Betula costata T.) Saps

고로쇠 및 거제수나무 수액 간장의 이화학적 분석 및 관능 평가

  • Choi, Sun-Young (Dept. of Food Science and Nutrition, Institute of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Sung, Nak-Ju (Dept. of Food Science and Nutrition, Institute of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Kim, Haeng-Ja (Dept. of Home Economics Education Education Research Institute, Gyeongsang National University)
  • 최선영 (경상대학교 식품영양학과 농업생명과학연구원) ;
  • 성낙주 (경상대학교 식품영양학과 농업생명과학연구원) ;
  • 김행자 (경상대학교 가정교육과 교육연구원)
  • Published : 2006.09.30

Abstract

Soy sauce was prepared with the addition of Gorosoe and Kojesu saps instead of tap water to make ordinary soy sauce, respectively. The changes of free sugar, organic acid, mineral, amino acid and nucleotides and other compounds during the fermentation of soy sauce were assessed. The free sugar were found to be fructose, glucose, galactose and sucrose in soy sauce of saps but sucrose was not detected in ordinary soy sauce. Galactose contents were dominant free sugar in all samples. The contents of butyric acid were dominant among 7 kinds of organic acid while fumaric acid was trace amount during the fermentation of soy sauce. The contents of potassium and phosphorus among 13 kinds of minerals were dominant during the fermentation of soy sauce. In the amino acid composition of soy sauce, dominant amino acid was glutamic acid(185.6${\pm}$1.0 mg/100 ml above), but proline and arginine were not detected. AMP detected above 7.5${\pm}$O.2 ${\mu}$mol/100 ml was dominant while inosine was not detected during the fermentation of soy sauce. The results of sensory evaluation in the fermented soy sauce of Gorosoe was 'liked more' than that of soy sauce of Kojesu and control.

기능성이 보완된 고품질의 간장을 제조하기 위하여 기존의 간장 담금용 용수 대신에 고로쇠 및 거제수나무 수액을 이용하여 간장을 담근 후 120일간 숙성시키면서 간장의 맛과 기능성과 관련이 있는 화학 성분을 분석하였다. 간장 숙성 중 유리당을 분석한 결과 대조군에서는 3종의 유리당(fructose, glucose 및 galactose), 수액 간장에서는 상기 유리당 외에 sucrose가 검출되었다. 간장의 숙성 중 유리당은 불규칙한 함량 변화를 보였으나, 숙성 기간 중 모든 시료군에서 galactose의 함량이 월등히 높았다. 유기산은 butyric acid의 함량이 월등히 높았으며 반면에 fumaric acid는 미량에 분과하였다. 무기물은 모든 시료군에서 K와 P의 함량이 가장 높았다. 수액 간장에서 대조군에 비해 Ca, Mg및 Fe의 함량이 높게 나타났다. 간장 숙성 중 아미노산은 총 15종이 검출되었으며, glutamic acid의 함량(185.6${\pm}$1.0${\sim}$363.0${\pm}$2.7 mg/100 ml)이 가장 높았고, 다음으로 aspartic acid, lysine 및 leucine의 순이었으며, proline과 arginine은 모든 시료에서 검출되지 않았다. 핵산 관련 물질은 대조군과 시료군 모두 숙성 기간에 관계없이 AMP의 함량(7.5${\pm}$0.2 ${\mu}$mol/100 ml이상)이 가장 높았으며, 반면에 inosine은 전혀 검출되지 않았다. 관능검사 결과 고로쇠 수액 간장, 거제수 수액 간장 및 대조군의 순으로 맛이나 향이 강하게 나타났다.

Keywords

References

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