International Scholarly Research Notices / 2013 / Article / Tab 1

Research Article

Zinc Uptake by Lactic Acid Bacteria

Table 1

Minimum inhibitory concentration (MIC) of zinc salts and cell bound zinc concentration in Lactobacillus and Bifidobacterium strains.

StrainMIC* (mmol L−1)Cell-bound Zn (μmol g−1)

Lactobacillus acidophilus ATCC 435615107
Lactobacillus acidophilus DSMZ 20552>10011d
Lactobacillus acidophilus WC 0202>10063a
Lactobacillus acidophilus WC 020315135
Lactobacillus brevis ATCC 4006>10086
Lactobacillus buchneri WC 02045050b
Lactobacillus casei WC 02051529c
Lactobacillus gasseri WC 0213>10021c,d
Lactobacillus parabuchneri WC 028310018
Lactobacillus plantarum WC 0214>10050b
Lactobacillus reuteri WC 0215>10061a,b
Bifidobacterium breve WC 04211532a
Bifidobacterium breve WC 048010015b
Bifidobacterium breve WC 04815017b
Bifidobacterium infantis WC 04601532a
Bifidobacterium pseudocatenulatum WC 04551531a

MIC was determined in MRS agar plates containing ZnCl2 or ZnSO4. Difference between ZnCl2 and ZnSO4 was not significant (P > 0.05).
Zinc uptake was determined in MRS supplemented with 10 mmol L−1 ZnSO4. Values are means from three separate experiments, standard deviation was less than 5μmol g−1. Within a microbial genus, means sharing a common superscript do not differ (P > 0.05).

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