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Detect, isolate and enumerate yeasts and molds with Thermo Scientific™ Oxoid™ Malt Extract Agar (Dehydrated). Mycological peptone in the medium gives a luxuriant growth of yeasts and molds with typical morphology and pigmentation.

Malt Extract Agar, Oxoid Composition

Malt Extract Agar, Oxoid Preparation:
Suspend 50g in 1 litre of distilled water and boil to dissolve. Sterilise by autoclaving at 115°C for 10 minutes.

If it is desired to adjust the medium to pH 3.5, cool to 55°C and add approximately 2-3ml of 10% Lactic Acid SR0021 to 100ml Malt Extract Agar. Once acidified with lactic acid, the medium should not be re-heated.

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 Malt Extract Broth is used for the identification of yeast and molds in sterility testing.

Malt Extract Broth, Oxoid Composition

Malt Extract Broth, Oxoid Preparation:
Add 20g to 1 litre of distilled water. Mix well, distribute into final containers and sterilise by autoclaving at 115°C for 10 minutes. This liquid medium is recommended for the cultivation of moulds and yeasts, during tests for sterility, etc.

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 Malt Extract is recommended for use in media for yeast and mold growth. An extract of sprouted grain with conserved nitrogen and carbohydrate constituents

Presumptively detect, isolate and enumerate pathogenic staphylococci in milk, food, fish and other specimens with Thermo Scientific™ Oxoid™ Mannitol Salt Agar (Dehydrated). Due to high concentrations of salt in the medium, most unwanted bacteria are inhibited with the exception of some halophilic marine organisms. Presumptive coagulase-positive staphylococci produce colonies surrounded by bright yellow zones while non-pathogenic staphylococci produce colonies with reddish purple zones.

Mannitol Salt Agar, Oxoid Composition

Mannitol Salt Agar, Oxoid Preparation:
Suspend 111g in 1 litre of distilled water and bring to the boil to dissolve completely. Sterilise by autoclaving at 121°C for 15 minutes.

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.

Thermo Scientific™ Oxoid Mannitol Selenite Broth Base is a modification of Selenite F Broth for the selective enrichment of salmonellae.

Mannitol Selenite Broth Base, Oxoid Composition

Mannitol Selenite Broth, Oxoid Preparation:
Add 19g to 1 litre of distilled water to which 4g of sodium biselenite LP0121 has been added.
Warm to dissolve, mix well and fill out into containers. Sterilise in a boiling water bath, or in free flowing steam, for 10 minutes.
DO NOT AUTOCLAVE.

To minimise any possible risk of teratogenicity to laboratory workers, the sodium biselenite must be added to this medium separately.

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 away from light.

Achieve maximum recovery of microorganisms during dilution with this protective, isotonic Thermo Scientific™ Oxoid™ Maximum Recovery Diluent (Dehydrated).

Maximum Recovery Diluent combines the protective effect of peptone in the diluting solution1 with the osmotic support of physiological saline. The low peptone concentration in the diluent reduces organism multiplication in the sample for at least 45 minutes during the dilution stage.

Maximum Recovery Diluent, Oxoid Composition

Maximum Recovery Diluent, Oxoid Preparation:
Dissolve 9.5g in 1 litre of distilled water. Dispense into the final containers and sterilise by autoclaving at 121°C for 15 minutes.

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 room temperature.

Oxoid Membrane Lauryl Sulphate Broth is a direct replacement for Membrane Enriched Teepol Broth.

Membrane Lauryl Sulphate Broth, Oxoid Composition

Membrane Lauryl Sulphate Broth, Oxoid Preparation:
Dissolve 76.2 grams in 1 litre of distilled water. Distribute into final containers, e.g. 100 ml screw cap bottles. Sterilise by steaming for 30 minutes on three consecutive days or by autoclaving at 121°C for 15 minutes.

Storage conditions and Shelf life
Store the dehydrated medium below 25°C and use before the expiry date on the label.
Store the prepared medium at 2-8°C.