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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 36 (1988), S. 32-36 
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Current microbiology 38 (1999), S. 250-255 
    ISSN: 1432-0991
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. A compost mixture amended with soybean oil was enriched in microorganisms that transformed unsaturated fatty acids (UFAs). When oleic acid or 10-ketostearic acid was the selective fatty acid, Sphingobacterium thalpophilum (NRRL B-23206, NRRL B-23208, NRRL B-23209, NRRL B-23210, NRRL B-23211, NRRL B-23212), Acinetobacter spp. (NRRL B-23207, NRRL B-23213), and Enterobacter cloacae (NRRL B-23264, NRRL B-23265, NRRL B-23266) represented isolates that produced either hydroxystearic acid, ketostearic acid, or incomplete decarboxylations. When ricinoleic (12-hydroxy-9-octadecenoic) acid was the selective UFA, Enterobacter cloacae (NRRL B-23257, NRRL B-23267) and Escherichia sp. (NRRL B-23259) produced 12-C and 14-C homologous compounds, and Pseudomonas aeruginosa (NRRL B-23256, NRRL B-23260) converted ricinoleate to a trihydroxyoctadecenoate product. Also, various Enterobacter, Pseudomonas, and Serratia spp. appeared to decarboxylate linoleate substrate incompletely. These saprophytic, compost bacteria were aerobic or facultative anaerobic Gram-negative and decomposed UFAs through decarboxylation, hydroxylation, and hydroperoxidation mechanisms.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0991
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. Six strains of Sphingobacterium thalpophilum were isolated from a compost mixture enriched with oleic acid. These strains converted oleic acid to 10-ketostearic acid (10-KSA; 87–94% of the total conversion product) and to 10-hydroxystearic acid (10-HSA; 6–13%) exhibiting three levels of total product yields. The predominant production of 10-KSA by these new S. thalpophilum isolates is in contrast to strain 142b (NRRL B-14797) previously isolated from a commercial compost, which produces exclusively 10-HSA. The production yield of greater than 75% 10-KSA was achieved in 36 h, acting on 0.26 g of oleic acid in 30-ml fermentation broth incubated with agitation at 28°C. For easy maintenance, fast-growth, and high bioreactivity, these S. thalpophilum strains are suited for developing a large-scale production of 10-KSA and 10-HSA.
    Type of Medium: Electronic Resource
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