Effect of Pulsed Electric Fields (PEF) on Accumulation of Magnesium in Lactobacillus rhamnosus B 442 Cells

被引：0
|
作者：
Małgorzata Góral
Urszula Pankiewicz
机构：
[1] University of Life Sciences,Department of Analysis and Food Quality Assessment, Faculty of Food Science and Biotechnology
来源：
The Journal of Membrane Biology | 2017年 / 250卷
关键词：
PEF; Magnesium; Bioaccumulation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The aim of this study was to determine the effect of pulsed electric fields (PEF) on accumulation of magnesium ions in Lactobacillus rhamnosus B 442 cells. Under optimized conditions, this is, on 15 min exposure of the 20 h grown culture to PEF of the 2.0 kV/cm and 20 µs pulse width at concentration 400 μg Mg2+/mL medium, accumulation of magnesium in the biomass reached maximum 4.28 mg/g d.m. Optimization of PEF parameters caused an increase of magnesium concentration in the cells by 220% in comparison to the control not treated with PEF. Bacterial cell biomass enriched with Mg2+ may be an alternative for pharmacological supplementation applied in deficiency of this cation.
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页码：565 / 572
页数：7
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