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Presumptively identify coliform organisms in milk, water and foods as specified by the American Public Health Association with Thermo Scientific™ Oxoid™ Lactose Broth (Dehydrated). Beef extracts and peptone in this liquid medium supply essential nutrients while lactose is a fermentable carbohydrate for coliforms. Coliforms ferment lactose in the medium resulting in gas formation which is indicative of positive results.

Lactose Broth, Oxoid Composition

Lactose Broth, Oxoid Preparation:
Dissolve 13g in 1 litre of distilled water and distribute into containers with fermentation tubes (Durham). 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 (18-22°C).

Precautions
Ensure that the fermentation tubes are free from air bubbles before inoculation.
Large water samples may require double-strength lactose broth to reduce the final volumes. Do not overheat double- strength broth or inhibitory products will be produced.

Detect coliform organisms in water, waste water and dairy products with selective Thermo Scientific™ Oxoid™ Lauryl Tryptose Broth (Dehydrated), while conforming to the formula detailed by American Public Health Association. Lauryl Tryptose Broth is designed to promote a rich growth and copious gas production from small inocula of coliform organisms.

Lauryl Tryptose Broth, Oxoid Composition

Lauryl Tryptose Broth, Oxoid Preparation:
Dissolve 35.6g in 1 litre of distilled water and distribute into containers with fermentation tubes (Durham). 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.

Precautions
If stored at 2-8°C the broth will become cloudy or form a precipitate. This should clear at room temperature but gas formation is the criterion of growth not turbidity.

Oxoid Lauryl Tryptose Broth w/MUG is used for the presumptive identification of E. coli.

Lauryl Tryptose Broth with MUG, Oxoid Composition

Lauryl Tryptose Broth, Oxoid Preparation:
Suspend 35.65g of Lauryl Tryptose Broth with MUG in 1 litre of distilled water. Warm to 40°C. Mix well to dissolve and distribute into final containers holding inverted Durham tubes. (Please be aware of the special glassware requirements when using ultra-violet light.). 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.

Description

LB Agar Miller from Merck is a commonly used medium in microbiology laboratories and is suitable for routine bacterial culture and transformation experiments. It is a formulation of Luria-Bertani (LB) agar developed by Miller, which includes a mixture of peptides, amino acids, and vitamins to support the growth of a wide range of bacteria.

Oxoid LCAT Selective Supplement is used for the preparation of New York City Medium for the isolation of Neisseria spp.

• Add to GC Agar Base, Part No. CM0367B
• Each vial supplements 500mL of medium

LCAT Selective Supplement, Oxoid Composition

LCAT Selective Medium Preparation:
Reconstitute one vial as directed, aseptically add the contents to 490ml of sterile GC Agar Base CM0367, cooled to approximately 50°C, containing 50 ml Laked Horse Blood SR0048 and the rehydrated contents of one vial of Yeast Autolysate Supplement SR0105. Mix gently and pour into sterile Petri dishes.

Oxoid Legionella GVPC Selective Supplement is used for the isolation of Legionella spp. from environmental samples.

• Add to Legionella CYE Agar Base, Part No. CM0655B
• Each vial supplements 500mL of medium

Legionella GVPC Selective Supplement, Oxoid Composition

Legionella GVPC Selective Medium Preparation:
Reconstitute one vial as directed, aseptically add the contents to 500 ml of sterile Legionella CYE Agar Base CM0655 to which one vial of Legionella BCYEa Legionella Growth Supplement SR0110C has been added cooled to approximately 50°C. Mix gently and pour into sterile Petri dishes.

• Oxoid Legionella BCYE Supplement is used for the isolation of Legionella spp.
• Add to Legionella CYE Agar Base, Part No. CM0655B.

Legionella BCYE Growth Supplement, Oxoid Composition

BCYE Agar, Oxoid Preparation:
Suspend 2.5g of Legionella CYE Agar Base per 90ml of distilled water and bring gently to the boil to dissolve completely. Sterilise by autoclaving at 121°C for 15 minutes. Reconstitute one vial SR0110A per 100ml medium or one vial SR0110C per 500ml medium, as directed. Allow medium to cool to 50°C and aseptically add the vial contents. Mix gently and pour into sterile Petri dishes. The final pH of the medium should be 6.9 ± 0.2.

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

• Oxoid Legionella BCYE Supplement is used for the isolation of Legionella spp.
• Add to Legionella CYE Agar Base, Part No. CM0655B.

Legionella BCYE Growth Supplement, Oxoid Composition

BCYE Agar, Oxoid Preparation:
Suspend 2.5g of Legionella CYE Agar Base per 90ml of distilled water and bring gently to the boil to dissolve completely. Sterilise by autoclaving at 121°C for 15 minutes. Reconstitute one vial SR0110A per 100ml medium or one vial SR0110C per 500ml medium, as directed. Allow medium to cool to 50°C and aseptically add the vial contents. Mix gently and pour into sterile Petri dishes. The final pH of the medium should be 6.9 ± 0.2.

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

Oxoid Legionella BCYE Supplement w/o L-cysteine is used for the isolation of Legionella spp.

• Add to Legionella CYE Agar Base, Part No. CM0655B
• Each vial supplements 100mL of medium

Legionella BCYE Growth Supplement without L-cysteine, Oxoid Composition

Legionella BCYE Growth Medium Preparation:
Reconstitute one vial as directed, aseptically add the contents to 90ml of sterile Legionella CYE Agar Base (CM0655) cooled to approximately 50°C. Mix gently and pour into sterile Petri dishes.

Thermo Scientific™ Oxoid Legionella BMPA-α Selective Supplement is a selective supplement for the isolation of legionellae when used with Legionella BCYE Growth Supplement (SR0010) and Legionella CYE Agar Base (CM0655).

Legionella BMPA-α Selective Supplement, Oxoid Composition

Legionella BMPA-α Selective Medium Preparation:
Reconstitute one vial SR0111E per 100ml medium as directed. Aseptically add the vial contents to BCYE-a Medium prepared from Legionella CYE Agar Base (CM0655) and Legionella BCYE Supplement (SR0110) and cooled to 50°C. Mix well and pour into sterile Petri dishes.

Isolate Legionella from environmental samples and clinical specimens using Thermo Scientific™ Oxoid™ Legionella CYE Agar Base when used with Legionella Growth Supplement SR01110. Legionella CYE Agar Base is a non-selective medium that exhibits optimal recovery of legionellaceae in short incubation periods from both environmental samples and clinical specimens.

Legionella CYE Agar Base, Oxoid Composition

BCYE Agar, Oxoid Preparation:
Suspend 2.5g of Legionella CYE Agar Base per 90ml of distilled water and bring gently to the boil to dissolve completely. Sterilise by autoclaving at 121°C for 15 minutes. Reconstitute one vial SR0110A per 100ml medium or one vial SR0110C per 500ml medium, as directed. Allow medium to cool to 50°C and aseptically add the vial contents. Mix gently and pour into sterile Petri dishes. The final pH of the medium should be 6.9 ± 0.2.

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