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

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Effects of Wasabi (Wasabia japonica Matsum) on the Microbiological and Sensory Characteristics of Dongchimi

고추냉이 첨가가 동치미의 미생물학적 및 관능적 특성에 미치는 영향

  • 박정은 (단국대학교 식품영양학과) ;
  • 장명숙 (단국대학교 식품영양학과)
  • Published : 2006.08.30
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Abstract

The Dongchimi added with Wasabi (Wasabia japonica Matsum) for the improvement of quality was scientifically explored by reviewing the optimum level and its effect on the microbiological and sensory characteristics of product fermentation. The final weight percentage of Wasabi in Dongchimi was adjusted to 0, 3, 5, 7 and 9%, per radish, respectively. Microbiological and sensory characteristics were determined during fermentation at $10^{\circ}C$ for 55 days. The viable cell counts of total and lactic acid bacteria had increased to their maximum values during fermentation until they began to drop at the later stage. Here, the 7% treatment showed a distinctive low and high numbers of total cells and lactic acid bacteria, respectively, during the later stage of fermentation. As for the sensory evaluation results of the fermented Donchimi with Wasabi, the 7% treatment was most favored for the color, the smell, the sour taste, the hot taste, the carbonated taste, the texture, and the overall acceptability of the products. The optimum levels of Wasabi in Dongchimi were estimated between 5 and 7% per added radish weight, and the 7% level was more preferred when the fermentation-retarding effect of the product was considered.

고추냉이가 동치미의 맛과 저장성에 미치는 효과를 알아보고, 고추냉이의 최적 사용량을 찾고자 고추냉이를 무 무게에 대하여 0, 3, 5, 7, 9%를 첨가하여 $10^{\circ}C$에서 55일간 발효시키면서 미생물학적 특성과 관능검사를 실시하였다. 그 결과 총균수와 젖산균수는 동치미 발효가 진행될수록 그 값이 증가하여 최대값을 보인 후 감소하였다. 발효기간 동안 대조구의 총균수가 가장 많았고, 고추냉이 첨가량이 증가할수록 총균수가 적었다. 7% 처리구는 발효기간 동안 젖산균수가 가장 완만하게 감소하여 발효 말기까지 가장 높은 젖산균수를 유지하였다. 관능검사 결과 대조구는 발효 8일에서 19일, 3% 처리구는 발효 8일에서 22일, 5% 처리구는 발효 8일에서 발효 35일, 7% 처리구는 발효 8일에서 40일, 9% 처리구는 발효 8일부터 25일까지 점수를 높게 받아 좋아하였다. 5%와 7% 처리구가 발효기간이 오래 된 후에도 점수가 높아 맛있는 시기가 오랫동안 유지되었고, 특히 7% 처리구의 점수가 모든 평가 항목에서 가장 높았다. 고추냉이의 효과를 알아보기 위한 실험결과를 종합해 볼 때 동치미에 고추냉이를 5%와 7% 첨가한 처리구가 미생물학적인 실험 결과에서 발효를 지연시키고 맛있는 시기를 연장시켜 주었으며, 관능검사 결과에서도 점수가 높았다. 특히 7% 처리구는 발효 중기부터 말기까지 다른 처리구에 비해 효과가 더욱 우수하였다. 그러므로 동치미에 고추냉이를 7% 첨가하여 담글 경우 동치미의 맛과 저장성을 향상시켜줄 것으로 기대된다.

Keywords

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