نتایج جستجو برای: leuconostoc
تعداد نتایج: 1338 فیلتر نتایج به سال:
Lactic acid bacteria are now used extensively as and aroma of the fermented product but also on the starter cultures in the dairy industry and therefore the texture of blue cheese. optimization of growth conditions appears to be essential The shift in metabolic pathways in response to for successful industrial applications. Furthermore, environmental conditions is well documented in the studyin...
Lactic acid bacteria (LAB) associated with gaseous spoilage of modified-atmosphere-packaged, raw, tomato-marinated broiler meat strips were identified on the basis of a restriction fragment length polymorphism (RFLP) (ribotyping) database containing DNAs coding for 16S and 23S rRNAs (rDNAs). A mixed LAB population dominated by a Leuconostoc species resembling Leuconostoc gelidum caused the spoi...
Leuconostoc species are Gram-positive, non-motile, vancomycin-resistant bacteria placed within the family of Streptococcaceae. They naturally exist in food and are important in the sauerkraut, milk and wine industries due to their role in fermentation. Infections caused by Leuconostocs are generally reported in immunosuppressed patients with an underlying disease, or in those who were previousl...
Citrate and lactose fermentation are subject to the same metabolic regulation. In both processes, pyruvate is the key intermediate. Lactococcus lactis subsp. lactis biovar diacetylactis homofermentatively converted pyruvate to lactate at high dilution (growth) rates, low pH, and high lactose concentrations. Mixed-acid fermentation with formate, ethanol, and acetate as products was observed unde...
Marination with marinade containing salt, sugar, and acetic acid is commonly used in Finland to enhance the value of raw broiler meat. In this study, we investigated the effect of marination, marinade components and storage time on composition of bacterial communities in modified atmosphere-packaged (MAP) broiler fillet strips. The communities were characterized using two culture-independent me...
Winter wheat is a suitable crop to be ensiled for animal feed and China has the largest planting area of this crop in the world. During the ensiling process, lactic acid bacteria (LAB) play the most important role in the fermentation. We investigated the natural population of LAB in whole-crop wheat (WCW) and examined the quality of whole-crop wheat silage (WCWS) with and without LAB inoculants...
On the basis of high enzyme activity a newly isolated strain of L. mesenteroides CMG713 was selected for dextran production. For maximum yield of dextran, effects of various parameters such as pH, temperature, sucrose concentration and incubation period were studied. L. mesenteroides CMG713 produced maximum dextran after 20 hours of incubation at 30 masculineC with 15% sucrose at pH 7.0. The mo...
BACKGROUND IslA4 is a truncated single domain protein derived from the inulosucrase IslA, which is a multidomain fructosyltransferase produced by Leuconostoc citreum. IslA4 can synthesize high molecular weight inulin from sucrose, with a residual sucrose hydrolytic activity. IslA4 has been reported to retain the product specificity of the multidomain enzyme. RESULTS Screening experiments to e...
Leuconostoc mesenteroides subsp. mesenteroides is one of the most predominant lactic acid bacterial groups during kimchi fermentation. Here, we report the complete genome sequence of L. mesenteroides subsp. mesenteroides J18, which was isolated from kimchi. The genome of the strain consists of a 1,896,561-bp chromosome and five plasmids.
Fructansucrases (FSs), including levansucrases and inulosucrases, are enzymes that synthesize fructose polymers from sucrose by the direct transfer of the fructosyl moiety to a growing polymer chain. These enzymes, particularly the single domain fructansucrases, also possess an important hydrolytic activity, which may account for as much as 70 to 80% of substrate conversion, depending on reacti...
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