模拟肠道环境下肠道益生菌对三种重金属离子的富集作用的研究

张何; 罗程印; 傅昕

doi:10.13386/j.issn1002-0306.2015.21.064

模拟肠道环境下肠道益生菌对三种重金属离子的富集作用的研究

湖南工程学院化学化工学院

基金项目:

湖南省自然科学基金(2015JJ2039,14JJ3133)；湖南省教育厅优秀青年基金(12B029)；湖南工程学院博士启动基金；

详细信息

作者简介:
张何 (1977-) , 男, 博士, 副教授, 研究方向:生物分析化学, E-mail:mzhang_he@126.com。;

中图分类号: TS201.4
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出版历程
- 收稿日期: 2015-01-22

Study on the enrichment of intestinal probiotics to three heavy metal ions under simulated intestinal environment

School of Chemistry and Chemical Engineering, Hunan Institute of Engineering

摘要

摘要: 本研究考察了嗜酸乳杆菌、嗜热链球菌、双歧杆菌三种肠道益生菌在模拟肠道环境条件下生长情况及对Cr6+、Cd2+、Pb2+的吸附特性。结果显示:嗜酸乳杆菌对Cr6+有较强的吸附和富集作用,最大吸附率为70%,吸附量为0.0021 mg/g;嗜热链球菌对Cr6+、Cd2+均有较强的吸附和富集作用,最大吸附率分别为50%和62%,吸附量分别为0.0015 mg/g和0.1057 mg/g;双歧杆菌对Cr6+、Cd2+均有较强的吸附和富集作用,最大吸附率分别为66.6%和69.9%,吸附量分别为0.0019 mg/g和0.1298 mg/g;三种肠道益生菌在模拟肠道环境下对Pb2+均无明显吸附作用。
- 肠道益生菌 /
- 肠道环境 /
- 重金属离子 /
- 富集
Abstract: In this paper, the absorption characteristics of Lactobacillus acidophilus, Streptococcus thermophilus and Bifidobacterium to Cr6 +、Cd2 +、Pb2 +under the simulated intestine environment were studied. The results indicated the Lactobacillus acidophilus had strong adsorption and enrichment to Cr6 +, and the adsorption ratio was 70% and the adsorption amount was 0.0021 mg / g.Streptococcus thermophilus also had strong adsorption and enrichment to Cr6 +and Cd2 +, and the adsorption ratio was 50% and 62%, and the adsorption amount was 0.0015 mg /g and0.1057 mg / g, respectively.Bifidobacterium also had strong adsorption and enrichment to Cr6 +and Cd2 +, and the adsorption ratio was 66.6% and 69.9%, and the adsorption amount was 0.0019 mg / g and 0.1298 mg / g, respectively.There was no obvious adsorption of Pb2 +among the three kinds of intestinal probitics under simulated intestinal environment.
- intestinal probiotics /
- intestinal environment /
- heavy metal ions /
- enrichment

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参考文献(27)

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