Listeria coloring plate 9cm
[Number]: VIP (HB) PM7008
[Product name]: Listeria color plate 9cm
[Specifications]: 9cm * 10 pcs/bag
[Purpose]:
[Product name]: Listeria color plate 9cm
[Specifications]: 9cm * 10 pcs/bag
[Purpose]:
Listeria coloring plate 9cm (2-8 ℃)
Part Number: VIP (HB) PM7008
Specifications: 9cm * 10 pcs/bag
Usage: Rapid detection of Listeria monocytogenes in food and pharmaceuticals. Negative results can be detected within 3 days. Listeria monocytogenes is blue and has an opaque ring around the colony. Peptone provides nitrogen and amino acids, sodium chloride maintains osmotic pressure, agar is a coagulant, lithium chloride inhibits the growth of gram-negative bacteria, bacteriostatic agents inhibit removalListeriaGram-positive bacteria grow outside.
Listeria coloring plateComposition (g/L)
Operation steps
1. Prepare sample solution according to SN standard, GB standard, FDA standard, ISO standard or other standards.
2. Add the sample solution to Li's bacterial broth (LB1, LB2) to increase bacteria; orsample solutionMix with Half-Fraser bacterial solution in a ratio of 1:10 and incubate at 30 ° C for 24 hours; or incubate in other bacterial solution;
3. Take a ring of bacterial solution and inoculate it on Listeria coloring medium, and incubate it at 37 ° C for 24-48 hours.
Quality Control
1. Appearance
The plate was opaque milky white medium.
2. Microbial testing
Incubate at 37 ° C for 24-48 hours.
typical features
Listeria monocytogenes were cultured at 37 ° C for 24-28 hours, and blue colonies appeared on the plate with an opaque ring around the colony. Listeria sheep were cultured at 37 ° C for 48 hours, and blue colonies appeared on the plate with an opaque ring around the colony. Listeria silvicii was cultured at 37 ° C for 24-48 hours, and blue colonies appeared on the plate with no opaque ring around the colony. Listeria sheep is very rare in food testing.
Attention
This medium is for laboratory use only.
Microbial sensitivity test of Listeria coloring medium:
Prepare the medium according to the label usage, inoculate the following quality control strains, and place them at 37 ° C for aerobic culture for 24-48 hours.
Statement: This reference substance and standard substance is provided by [China Inspection and Metrology] for website inquiry and purchase services
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