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Merck - 1108240500 - Listeria Selective Enrichment Broth, UVM formulation, Granulated, 500g

  • MFR SKU: 1108240500
  • ITEM #: 3043715
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ITEM #: 3043715
Listeria UVM Selective Enrichment Broth^ 500g. Granulated. For the selective enrichment of Listeria in the two stage procedure according to USDA-FSIS. (54.4g/L).
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Merck - 1108240500 - Listeria Selective Enrichment Broth, UVM formulation, Granulated, 500g

  • Item #: 3043715
  • MFR SKU: 1108240500
  • Catalogue Number 110824
  • Replaces 1.10824.5007
  • HS Code 3821 00 00
  • Quality Level MQ200
  • pH value 7.0 - 7.4 (54.4 g/l, HO, 25 ° C) (after autoclaving)
  • Solubility 54.4 g/l
  • Storage class 10 - 13 Other liquids and solids
  • WGK WGK 3 highly hazardous to water
  • Disposal 3
  • Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
  • Storage Store at +15° C to +25° C.
  • Appearance (clearness) clear to turbid
  • Appearance (color) yellowish-brown
  • pH-value (25° C) 7.0 - 7.4
  • Growth promotion test in accordance with the current version of DIN EN ISO 11133.
  • Inoculum on reference medium (Listeria monocytogenes ATCC 35152 (WDCM 00109)) ≤ 100
  • Inoculum on reference medium (Listeria monocytogenes ATCC 13932 (WDCM 00021)) ≤ 100
  • Inoculum on reference medium (Staphylococcus aureus ATCC 6538 (WDCM 00032)) ≥ 10000
  • Inoculum on reference medium (Bacillus cereus ATCC 11778 (WDCM 00001)) ≥ 10000
  • Growth (Listeria monocytogenes ATCC 35152 (WDCM 00109)) > 10 colonies on ALOA medium, blue green with opaque halo
  • Growth (Listeria monocytogenes ATCC 13932 (WDCM 00021)) > 10 colonies on ALOA medium, blue green with opaque halo
  • Growth (Staphylococcus aureus ATCC 6538 (WDCM 00032)) < 100 colonies on TSA
  • Growth (Bacillus cereus ATCC 11778 (WDCM 00001)) < 100 colonies on TSA
  • Mixed inoculum of Listeria and S.aureus
  • Additionaly monoculture of S.aureus and B.cereus
  • Confirmation on ALOA medium resp. Tryptic soy agar
  • Incubation: 20 - 26 hours at 30 ± 2° C, aerobic
  • Confirmation on ALOA medium: 44 ± 4 hours at 37 ± 1° C
  • Confirmation on Tryptic soy agar: 24 ± 3 hours at 37 ± 1° C

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