Media

Used for the isolation and presumptive identification of Pseudomonas aeruginosa. Cetrimide is a quaternary ammonium that inhibits the growth of most other bacterial species. Pseudomonas aeruginosa stains this medium blue-green by producing pyocyanin.

Heart and brain broth ISO5944:2001

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Rich medium used for the cultivation of demanding germs. Its use is recommended for the enumeration of staphylococcus aureus in food (AFNOR method).

Sterile distilled water

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Used for diluting or making bacterial suspensions.

Buffered peptone water + tween 80 to 4 g/L

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For the recovery of salmonella from food before selective enrichment and isolation.

Fraser demi broth

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Used for pre-enrichment of listeria from food samples.

Whole Fraser broth

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Used for the enrichment of sisteria from food samples.

Kligler-Hajna agar

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Used for the presumptive identification of Enterobacteriaceae based on the fermentation of glucose, lactose, sucrose and the production of gas and H2S.
For the detection of Salmonella in food and dairy products.

Letheen broth

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Used in the cosmetics industry to neutralise the action of preservatives before microbiological examination or to determine the bactericidal activity of quaternary ammoniums.

Modified letheen broth

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Used to neutralise the action of preservatives before microbiological examination.

Mueller-Hinton agar

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Reference medium for antibiotic and sulphonamide susceptibility testing of germs.

Neutralizer

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The neutraliser mixture is added to the pre-enrichment medium whenever the presence of disinfectant solution is known or suspected. In general, this mixture should be used at 10% of the final volume of the pre-enrichment medium.

Universal neutralizer

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The neutraliser mixture is added to the pre-enrichment medium whenever the presence of disinfectant solution is known or suspected. In general, this mixture should be used at 10% of the final volume of the pre-enrichment medium.

PCA skimmed milk - Plate count agar with skimmed milk

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For the determination of total flora in dairy products and ice cream.

Peptone salt

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Low peptone isotonic diluent used for dilutions in food analysis.

Bouillon Rappaport-Vassiliadis

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Used for the selective enrichment of salmonella in foodstuffs.

Ringer

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Thinner for general use in the dairy industry.

Chloramphenicol sabouraud agar

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Used for the growth and isolation of a wide variety of yeasts and moulds.

Meat whole liver

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Recommended for the detection and enumeration of sulphite-reducing clostridium spores in food products.

Baird Parker agar traditional method and ISO-FDIS 6888-2

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Used for the detection and enumeration of coagulase-positive staphylococci
and for the detection of Staphylococcus aureus in foods (AFNOR method).

B.C.P. - Bromocresol Purple Agar

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Differential medium to guide the identification of lactose-fermenting and non-lactose-fermenting Enterobacteriaceae.

Buffered peptone water

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For the recovery of salmonella from food before selective enrichment and isolation.

Alkaline peptone water

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For Vibrio enrichment.

Sulphite lactose broth

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Recommended for the detection of clostridium perfringens in food and pharmaceutical products.

Mac Conkey agar

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Differential medium to guide the identification of lactose-fermenting and non-lactose-fermenting Enterobacteriaceae. It is recommended for the detection of escherichia coli in water, food, dairy products and pharmaceutical preparations.

MRS agar

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Recommended medium for the culture of lactobacilli.

PCA - Plate count agar

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For the investigation of total flora in food products.

R.V.S. - Rappaport-Vassiliadis Soy Broth

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Used for the selective enrichment of salmonella in foodstuffs or pharmaceutical products.

Selenite cystine broth

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Used for the selective enrichment of Salmonella in water or foodstuffs.

TBX - Tryptone Bile X-Glucuronide Agar

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For the detection and enumeration of Escherichia coli in foods.

T.S.B. - Tryptone Casein Soy Broth

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A general purpose medium, allowing the growth of a wide variety of micro-organisms. It is recommended by the European and American pharmacopoeia.

T.S.A. - Tryptone Casein Soy Agar

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A general purpose medium for the growth and isolation of a wide variety of microorganisms. It can be supplemented with 5-7% blood to determine haemolytic reactions.