Food&Water Q.C.

 

CHROMagar™ E.coli

Photos CHROMagar™ E.coli
For detection and enumeration
of
E.coli in food and water samples.

Typical Appearance of microrganisms

E.coli → blue
Other gram negative bacteria→ colourless
Gram positive → inhibited

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CHROMagar™ ECC

Photos CHROMagar™ ECC
For the simultaneous detection and enumeration of E.coli and other coliforms
in food or water samples.
 

Typical Appearance of microrganisms

E.coli → Blue
Other Coliforms → Mauve 
Other bacteria → Colourless or inhibited.

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Rambach™ Agar

Photos Rambach™ Agar
For detection and isolation of Salmonella spp.
in clinical and food samples.


Typical Appearance of microrganisms

Salmonella → red
Many Coliforms → blue, violet
Proteus, etc. → colourless

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CHROMagar™ Listeria

Photos CHROMagar™ Listeria
For detection and differentiation
of
Listeria monocytogenes from
other bacteria in food samples.
 

Typical Appearance of microrganisms

L.monocytogenes → blue, diameter less than 3mm, regular and white halo
Other microorganisms → blue, colourless, other colour, inhibited

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CHROMagar™ Identification Listeria

Photos CHROMagar™ Identification Listeria
For confirmation of L.monocytogenes species
from suspect colonies on CHROMagar Listeria
.

Typical Appearance of microrganisms

L.monocytogenes → rose surrounded by a white halo
L.ivanovii → colourless surrounded by a white halo
L.innocua → rose without halo
B.cereus  → colourless with irregular edge (intense halo)

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CHROMagar™ Vibrio

Photos CHROMagar™ Vibrio
For isolation and detection of V.parahaemolyticus, V.vulnificus and V.cholerae.

Typical Appearance of microrganisms

V.parahaemolyticus → mauve
V.vulnificus / V.cholerae→ green blue to turquoise blue
V.alginolyticus → colourless

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