Selection of high organic chromium yielding yeast strain after space piggyback experiment and its characteristic

文献类型： 外文期刊

第一作者： Lv Jia-ping

作者： Lv Jia-ping;Gao Yan-hong;Liu Lu;Gao Yan-hong

作者机构：

关键词： Spaceflight-induced mutagenesis;glucose tolerance factor;glucose tolerance factor (GTF);organic chromium

期刊名称：AFRICAN JOURNAL OF MICROBIOLOGY RESEARCH （ 影响因子：0.539； 五年影响因子：0.564 ）

ISSN： 1996-0808

年卷期： 2012 年 6 卷 1 期

页码：

收录情况： SCI

摘要： A high yield yeast strain with glucose tolerance factor (GTF) was screened from seven original yeast strains and seven strains mutated by spaceflight-induced mutagenesis through gradient concentration of chromium (Cr) plate cultivation and liquid fermentation cultivation with biomass of 40 g/L. By extracting glucose tolerance factor with ammonia and determining the content of Cr with flame atomic absorption spectrometry, the content of organic Cr was found to be 1296 mu g/g and that of total Cr was 1926 mu g/g. The dynamic relationship between other parameters and the amount of organic chromium absorbed by the yeast was also determined during fermentation.

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[1]Oral Administration of the High-Chromium Yeast Improve Blood Plasma Variables and Pancreatic Islet Tissue in Diabetic Mice. Liu, Lu,Lv, Jia-Ping,Jin, Wen. 2010

[2]Purification and Characterization of Chromium-Binding Substances from High-Chromium Yeast. Liu, Lu,Lv, Jia-ping,Liu, Lu,Lv, Jia-ping,Uluko, Hankie.

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