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KMID : 0545119990090010039
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Journal of Microbiology and Biotechnology
1999 Volume.9 No. 1 p.39 ~ p.43
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10-Hydroxyoctadecanoic Acid Produced by Lactococcus lactis subsp.lactis as a Part of Flocculent Aggregate
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Park, Hee Jun
Lim, Yoong Ho/Kim, Youn Soon/Kyung, Kyu Hang
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Abstract
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A flocculent aggregate produced by Lactococcus lactis subsp. lactis in broths containing Tween 80, including MRS broth, had a microscopic structure of intertwined threadlike filaments. The filamentous structure was not elongated bacterial cells, but consisted of an organic solvent-soluble portion and an insoluble solid. L. lactis subsp. lactis grown at 25℃ for 15 days in tryptic soy broth with 0.1％ Tween 80 and 0.1% malt extract produced 13 ㎎/l of flocculent aggregate, which contained 0.84 g/g of organic solvent-soluble component. The organic solvent-soluble part was identified as 10-hydroxyoctadecanoic acid.
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