Korean Journal of Food Science and Technology (한국식품과학회지)

Korean Society of Food Science and Technology (한국식품과학회)
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Effect of Herbs on the Growth-Inhibition of Lactic Acid Bacteria and Quality Characteristics of Dongchimi

허브가 젖산균의 생육억제와 동치미의 품질특성에 미치는 효과

  • Son, Sun-Young (Department of Food Science and Technology, Seoul Women's University) ;
  • Choi, Hea-Ryun (Department of Food Science and Technology, Seoul Women's University) ;
  • Choi, Eon-Ho (Department of Food Science and Technology, Seoul Women's University)
  • 손선영 (서울여자대학교 식품과학부) ;
  • 최혜련 (서울여자대학교 식품과학부) ;
  • 최언호 (서울여자대학교 식품과학부)
  • Published : 2005.04.30
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Abstract

Effects of antimicrobial herbs on growth of tactic acid bacteria were investigated to extend shelf-life of Dongchimi, kimchi made with radishes and spices. Marta rosemary, among eight foreign and domestic herbs, showed strongest antimicrobial activity against seven kinds of lactic acid bacteria. Spices such as spring onion, garlic, and ginger showed no antimicrobial activity against lactic acid bacteria. During fermentation of Dongchimi for 6 days at $35^{\circ}C$, addition of marta rosemary inhibited acid formation, maintaining optimal pH of 3.8-4.2 throughout fermentation period, while no inhibitory effect was observed from Sambaekho (Saurus chinensis), pepper mint, and stevia. Results show shelf-life of Dongchimi was extended by addition of marta rosemary, which controlled over-production of tactic acid by inhibiting bacterial growth.

동치미의 저장기간을 연장할 목적으로 항균력을 갖는 허브를 동치미에 첨가하였을 때에 허브가 동치미의 젖산발효 및 품질특성에 미치는 효과가 조사되었다. 8종의 서양 및 자생 허브 중에서 marta rosemary가 7종의 젖산균에 대해서 우수한 항균 활성을 보였으며 허브향을 내는 삼백초와 pepper mint, 감미를 갖는 stevia도 균주에 따라 약간의 항균작용을 나타내었다. 향신료는 젖산균의 생육을 억제하지 못하였다 .상기 4종의 허브와 3종의 젖산균을 스타터로 사용하여 동치미를 $25^{\circ}C$에서 6일 동안 담금한 바, 허브 무첨가구와 삼백초, stevia, pepper mint 허브 첨가구의 동치미 액은 담금 직후부터 pH가 급감하여 12시간에 pH 4 부근에 도달하고 그 후 점차 감소하여 pH 3.60-3.35 범위를 유지하였다. Marta rosemary를 첨가한 동치미 액의 pH는 초기에는 pH 6.06까지 증가하다가 36시간 이후 감소하여 6일까지 동치미 최적 pH범위인 3.8-4.2 이상을 유지하였다. 따라서 marta rosemary의 첨가는 젖산균의 초기발효를 진행시키고 그 후 유산균을 적절하게 억제하여 유기산의 과다생성을 방지하므로 동치미의 가식기간을 크게 연장시키는 것이 가능한 것으로 판단되었다.

Keywords

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