Mutagenesis-screening of a high-yield exopolysaccharide of Lactobacillus. Sake

doi:10.13386/j.issn1002-0306.2012.23.097

Mutagenesis-screening of a high-yield exopolysaccharide of Lactobacillus. Sake[J]. Science and Technology of Food Industry, 2012, (23): 195-197. DOI: 10.13386/j.issn1002-0306.2012.23.097

Citation:

Mutagenesis-screening of a high-yield exopolysaccharide of Lactobacillus. Sake[J]. Science and Technology of Food Industry, 2012, (23): 195-197. DOI: 10.13386/j.issn1002-0306.2012.23.097

Citation:

Mutagenesis-screening of a high-yield exopolysaccharide of Lactobacillus. Sake[J]. Science and Technology of Food Industry, 2012, (23): 195-197. DOI: 10.13386/j.issn1002-0306.2012.23.097

Mutagenesis-screening of a high-yield exopolysaccharide of Lactobacillus. Sake

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Abstract

It was studied that a strain of Lactobacillus. Sake BXR-5-3 which had high-yield of exopolysaccharides was mutagenized in different distance and time of ultraviolet ray, different concentration of nitrosoguanidine and composite mutagenesis by ultraviolet ray-nitrosoguanidine. It was showed that the best conditions for the composite mutagenesis was the distance of ultraviolet ray for 20cm, the time for 10min and the concentration of nitrosoguanidine for 300μg/mL, the yield of exopolysaccharides was 339. 0mg/L.

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Mutagenesis-screening of a high-yield exopolysaccharide of Lactobacillus. Sake

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