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

  • 제32권7호
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  • Pages.976-980
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  • 2003
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  • 1226-3311(pISSN)
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  • 2288-5978(eISSN)
한국식품영양과학회 (The Korean Society of Food Science and Nutrition)
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혈전 분해효소 생산균의 탐색 및 효소생산 최적조건의 조사

Screening of Fibrinolytic Enzyme Producing from Microorganisms and Optimum Conditions of Enzyme Production

  • 발행 : 2003.10.01
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초록

전통식품(고추장, 된장, 쌈장, 젓갈류, 김치)으로부터 혈전 용해능이 있는 미생물을 분리한 후 그 중 fibrin용해능이 가장 우수한 균주 KJ-23을 최종 선발하였다. 최종 선별한 균주 KJ-23을 Microbial identification system(MIS)의 Sherlock 95 program을 이용하여 동정한 결과 Bacillus brevis KJ-23으로 동정하였다. Bacillus brevis KJ-23균주의 최대혈전용해 생산을 위한 최적배지화 조건을 검토한 결과 nutrient broth, D-ribose 0.5%, malt extract 0.5%, $K_2$HPO$_4$ 0.3% 첨가시 최고의 활성을 보였으며, 금속염을 첨가했을 경우에는 오히려 활성이 감소하는 경향을 보여 금속원은 최적 배지화 조건에서 첨가하지 않았다. 또한 pH7.0, 3$0^{\circ}C$에서 진탕배양했을 경우 최대활성을 보였으며, 시간별 경시효과에서는 24시간에서 혈전용해능이 최대를 나타내었다.

A strain of potential producer of fibrinolytic enzyme was isolated from Korean fermented food. The isolated bacterium was identified and named as Bacillus brevis KJ-23. The optimal condition of the medium for the production of fibrinolytic enzyme from Bacillus brevis KJ-23 was nutrient broth with 0.5% D-ribose, 0.5% malt extract and 0.3% $K_2$HPO$_4$. The optimum pH, temperature and fermentation time for the enzyme production were pH 7.0, 3$0^{\circ}C$ and 24 hr, respectively.

키워드

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피인용 문헌

  1. Isolation of Fibrinolytic Enzyme and β-Glucosidase Producing Strains from Doenjang and Optimum Conditions of Enzyme Production vol.33, pp.2, 2004, https://doi.org/10.3746/jkfn.2004.33.2.439