محیط کشت MRS آگار کد 110660 مرک آلمان





MRS agar (de MAN, ROGOSA and SHARPE)
acc. ISO 15214 GranuCult



Analysis Note

Appearance (clearness): clear
Appearance (colour): brown
pH-value (25 °C): 5.6 - 5.8
Solidification behaviour (2 hrs., 45 °C): liquid
Growth promotion test in accordance with the current version of DIN EN ISO 11133.
Inoculum on reference medium (Lactobacillus acidophilus ATCC 4356 (WDCM 00098)):
Inoculum on reference medium (Lactobacillus sakei ATCC 15521 (WDCM 00015)):
Inoculum on reference medium (Lactococcus lactis spp. lactis ATCC 19435 (WDCM 00016)):
Inoculum on reference medium (Pediococcus pentosaceus ATCC 33316 (WDCM 00158)):
Inoculum on reference medium (Pediococcus damnosus ATCC 29358 (WDCM 00022)):
Colony count (Lactobacillus acidophilus ATCC 4356 (WDCM 00098)):
Colony count (Lactobacillus sakei ATCC 15521 (WDCM 00015)):
Colony count (Lactococcus lactis spp. lactis ATCC 19435 (WDCM 00016)):
Colony count (Pediococcus pentosaceus ATCC 33316 (WDCM 00158)):
Colony count (Pediococcus damnosus ATCC 29358 (WDCM 00022)):
Recovery on test medium (Lactobacillus sakei ATCC 15521 (WDCM 00015)): ≥ 70 %
Recovery on test medium (Lactobacillus acidophilus ATCC 4356 (WDCM 00098)): ≥ 70 %
Recovery on test medium (Lactococcus lactis spp. lactis ATCC 19435 (WDCM 00016)): ≥ 70 %
Recovery on test medium (Pediococcus pentosaceus ATCC 33316 (WDCM 00158)): ≥ 70 %
Recovery on test medium (Pediococcus damnosus ATCC 29358 (WDCM 00022)): ≥ 70 %
Growth (Escherichia coli ATCC 25922 (WDCM 00013)): total inhibition
Growth (Escherichia coli ATCC 8739 (WDCM 00012)): total inhibition
Growth (Bacillus cereus ATCC 11778 (WDCM 00001)): total inhibition
Growth (Bifidobacterium bifidum ATCC 11863): good growth
Incubation: 72 ± 3 hours at 30 ± 1 °C aerobic; Bifidobacterium anaerobic
A recovery rate of 70 % is equivalent to a productivity value of 0.7.
The indicated colony counts result from the sum of a triple determination.
Reference media: MRS-Agar