Buffered Listeria Enrichment Broth PLUS

Tietoa tuotteesta

Description:
A medium for the selective enrichment of food and environmental samples for Listeria spp, This is a buffered version of the ‘FDA’ broth LAB 138 and supplements including version of  LAB 139. The extra buffering capacity maintains the pH of the enrichment culture during incubation, ensuring optimum conditions for the recovery of Listeria spp.

Appearance: Yellow, clear.

pH: 7.2 ± 0.2

Minimum Q.C. organisms: L. monocytogenes NCIMB 50007

E. coli (inhibition) NCIMB 50034

Storage of Prepared Medium: Capped containers – up to 14 days at 2-8°C in the dark.

Inoculation: Add 25 grams of sample to 225mls of Buffered Listeria Enrichment Broth and homogenise.

Incubation: 30°C aerobically for up to 48 hours.

Subculture: After 24 and 48 hours onto Listeria Isolation Medium – LAB 122