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Oxoid Listeria Selective Enrichment Supplement, Modified is used for the enrichment of Listeria spp.

• Modified with 10mg/L acriflavin
• Add to Listeria Enrichment Broth, Part No. CM0862B
• Each vial supplements 2.25L of medium

Listeria Selective Enrichment Supplement (Modified), Oxoid Composition

Listeria Selective Enrichment Medium Preparation:
Aseptically add 10ml of distilled water to one vial and invert gently to dissolve. Add the vial contents to 2.25 litres of Listeria Enrichment Broth Base. Sterilize by autoclaving at 121°C for 15 minutes. Cool to 50°C, mix well and distribute into sterile containers in volumes as required .

Storage conditions and Shelf life
Store the dehydrated medium at 10-30°C and use before the expiry date on the label.
Store the prepared medium at 2-8°C.

• Oxoid Listeria Selective Supplement (Oxford) is used for the detection of Listeria monocytogenes.
• Add to Listeria Selective Agar Base, Part No. CM0856B.

Listeria Selective Supplement (Oxford), Oxoid Composition

Listeria Selective Medium Preparation:
Reconstitute one vial as directed, aseptically add the contents to 500 ml of Listeria Selective Agar Base (Oxford Formulation) CM0856, cooled to approximately 50°C. Mix well and pour into sterile Petri dishes.

Storage conditions and Shelf life
Store the dehydrated medium at 10-30°C and use before the expiry date on the label.
Store the prepared plates at 2-8°C in the dark.

Oxoid Listeria Selective Enrichment Supplement is used for the enrichment of Listeria spp.

• Add to Listeria Enrichment Broth, Part No. CM0862B
• Each vial supplements 500mL of medium

Listeria Selective Enrichment Supplement, Oxoid Composition

Listeria Selective Enrichment Medium Preparation:
Reconstitute one vial as directed, and add the contents to 500ml of  Listeria Enrichment Broth Base (CM0862). Sterilize by autoclaving at 121°C for 15 minutes. Cool to 50°C and mix well before distributing into sterile containers in volumes as required.

Storage conditions and Shelf life
Listeria Selective Enrichment Supplement SR0141 as supplied should be stored at 2-8°C. When stored as directed the reagents are stable until the expiry date printed on the label.

Precautions
Listeria Selective Enrichment Supplement contains cycloheximide and is toxic if swallowed, inhaled or by skin contact. As a precaution when handling wear gloves and eye/face protection.
Acriflavine is activated by light and may form compounds inhibitory for Listeria.

Application

For maintenance of Lactobacilli and for determining the action of bacteria on milk.

Final pH: 6.8±0.2 (25 °C)

Prepare Liver infusion media with Thermo Scientific™ Oxoid™ Liver Desiccated Bacteriological. Liver Desiccated is prepared by the dehydration of fresh pork livers under carefully controlled conditions designed to ensure maximum retention of nutritive properties, and is equivalent to five times its weight of fresh liver.

• Dehydrated whole liver, specially manufactured for the preparation of infusion media.
• Not all products are available for sale in all territories. Please inquire.
• Remel™ and Oxoid™ products are now part of the Thermo Scientific brand.

The Oxoid Liver Digest Neutralized is a biologically standardized papaic digest of ox liver for use as a source of nutrients in microbiological culture media.

Detect salmonellae including Salmonella arizonae with the diagnostic Thermo Scientific™ Oxoid™ Lysine Iron Agar (Dehydrated). This differential medium detects salmonellae (including lactose fermenting Salmonella arizonae) by lysine decarboxylase activity and H₂S production.

Lysine Iron Agar, Oxoid Composition

Lysine Iron Agar, Oxoid Preparation:
Suspend 34g in 1 litre of distilled water. Bring to the boil to dissolve completely. Dispense into tubes and sterilise by autoclaving at 121° C for 15 minutes. Cool the tubes in an inclined position to form slants with deep butts.

Storage conditions and Shelf life
Store the dehydrated medium at 10-30°C and use before the expiry date on the label.
Store the prepared medium at 2-8° C.

Isolate and enumerate wild yeasts encountered in brewing while suppressing pitching yeasts with Thermo Scientific™ Oxoid™ Lysine Medium (Dehydrated). This complex, synthetic medium is based on the original formula of Morris & Eddy which utilizes the susceptibility of pitching yeasts to lysine to differentiate it from the wild yeast.

Lysine Medium, Oxoid Composition

Lysine Medium, Oxoid Preparation:
Suspend 6.6g in 100ml distilled water containing 1.0ml Potassium lactate SR0037. Bring to the boil to dissolve completely. Agitate frequently to prevent superheating. Cool to 50°C and add 0.1ml of lactic acid 10% SR0021 to adjust to pH 4.8 ± 0.2. Dispense into Petri dishes and remove surface moisture by drying at 37°C.

Storage conditions and Shelf life
Store the dehydrated medium at 10-30°C and use before the expiry date on the label.
Store the prepared medium at 2-8°C.