Food&Water Q.C.

 

CHROMagar™ Identification Listeria

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

Photos CHROMagar™ B.cereus

For detection and enumeration of Bacillus cereus group

Typical Appearance of microorganisms

Bacillus cereus → blue with white halo  
Other Bacillus → blue, colourless or inhibited
Gram negative bacteria → inhibited
Yeast and moulds → inhibited


 

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CHROMagar™ Mastitis

Photos CHROMagar™ Mastitis
For isolation and differentiation
of 
pathogens involved in Mastitis 

Typical Appearance of microrganism
CHROMagar Mastitis GP
   S. uberis → metallic blue. Staph aureus ...
CHROMagar Mastitis GN
   E. coli → red. Klebsiella, Enterobacter, Citrobacter ...

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CHROMagar™ Staphylococcus

Photos CHROMagar™ Staphylococcus
For isolation and direct differentiation
of Staphylococcus spp. in industrial, environmental and veterinary samples

Typical Appearance of microrganisms

S. aureus → pink to mauve 
S. epidermidis → colourless to pinkish
S. saprophyticus → turquoise blue 
Other Staphylococci → various 
Streptococci → inhibited 
Gram negative bacteria → inhibited

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AquaCHROM™ ECC

Photos AquaCHROM™ ECC
Presence/Absence of E. coli and coliforms
in 100 mL water samples.
 

Liquid Technique


Typical Appearance of microrganisms

E. coli → Green to Blue Green 
Other coliforms → Yellow

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