Journal of the East Asian Society of Dietary Life (동아시아식생활학회지)

The East Asian Society of Dietary Life (동아시아식생활학회)
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Physicochemical and Sensory Characteristics of Dongchimi Prepared with Turnip of Chinese, European and Korean Origin

한국.중국.유럽산 순무로 담근 동치미의 이화학적.관능적 특성 비교

  • 오상희 (충남대학교 식품영양학과) ;
  • 김미리 (충남대학교 식품영양학과)
  • Published : 2003.02.01
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Abstract

Physicochemical and sensory characteristics of turnip Donchimi prepared with Chinese(DC), Korean(DK) and European origin(DE) were analyzed during fermentation at $0^{\circ}C$. Salt concentrations of Dongchimi liquid were around 1.3% during fermentation. The pH, the total acidity, Lactobacilli number and turbidity were observed during fermentation of Dongchmi. DC was fermented the most rapidly among three based on the acidity, turbidity and lactic acid bacteria number. DC maintained higher hardness in textural properties during fermentation compared to DE, although it was evaluated lower scores of appearance in sensory test, and less Hunter color a value and anthocyanin content, compared to DK or DE. DK showed the highest in anthocyanin content, Hunter color a value, and hardness. Sensory evaluation showed that the scores of color, hardness, and overall preference of Donchimi were high in the order of DK>DC>DE. Score of overall preference of turnip Dongchimi was the highest with 6.7(10 cm line scale) in DK at the 40th day of fermentation, the optimum ripening time, but the lowest with 3.5 in DE.

한국, 중국, 유럽산 순무를 국내에서 파종.수확한 후 동치미를 담그어 발효 특성을 비교해 보고 동치미 제조에 알맞은 품종을 알아보고자 하였다. 신선한 순무의 특성으로 가용성 고형물 함량은 중국산이 7.8 $^{\circ}$Brix로 가장 높았고 한국산은 7.0 $^{\circ}$Brix이었으며, 유럽산은 6.8 $^{\circ}$Brix로 가장 낮았다. 안토시아닌 함량은 한국산이 가장 많았고 중국산은 가장 낮았다. 순무의 조직감 중 경도 및 파쇄성은 중국산이 한국산 및 유럽산에 비해 유의적으로 높았다(p<0.05). 원산지별 순무로 담근 동치미를 18$^{\circ}C$에서 24시간 방치후 $0^{\circ}C$에서 70일까지 경시적으로 이화학적, 관능적 특성을 분석한 결과는 다음과 같다. 중국산 순무 동치미는 숙성 전 기간동안 산도, 가용성 고형물 함량, 탁도, 유산균수가 유럽산에 비하여 높아 발효속도가 가장 컸으며, 한국산 순무 동치미는 중간의 발효속도를 나타내었다. 염도는 원산지간에 차이가 없이 1.6% 정도를 유지하였으며, 안토시아닌 함량 및 적색도 a값은 한국산 순무 동치미가 가장 높았고 중국산 순무 동치미가 가장 낮았다. 조직감중 경도는 기계적 분석 결과와 관능 검사 결과 모두에서 한국산 순무 동치미와 중국산 순무 동치미가 숙성 전 기간동안 높게 유지되었고 유럽산 순무 동치미는 낮았다. 그러나 전반적인 기호도는 숙성적기인 숙성 40일에 한국산 순무 동치미가 6.7 점으로 가장 높았고, 그 다음이 중국산 동치미로 5.9 점이었고, 유럽산 동치미는 3.5 점으로 가장 낮았다. 이상의 결과로부터 동치미 담금을 위한 순무는 강화도 고유의 자색 순무에 중국산 청색 순무가 지닌 높은 당도와 단단한 조직감 특성을 지닌 품종이 적합하다고 생각된다.

Keywords

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