Food&Water Q.C.

AquaCHROM™ ECC

Presence/Absence of E.coli and coliforms
in 100ml water samples.

Liquid Technique

Typical Appearance of microrganisms

E.coli → Blue to Blue Green Liquid
Other Coliforms → Yellow Liquid

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CHROMagar™ Malassezia

For detection of Malassezia spp.

Typical Appearance of microrganisms

Malassezia furfur → large, pale pink and wrinkled

Other Malassezia spp including M. globosa & M. restricta → mostly pink to purple

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CHROMagar™ STEC

For detection of

Shiga-Toxin producing E.coli (STEC)

Most common Shiga-Toxin E.coli serotypes → mauve

Other Enterobacteriacae → colourless, blue or inhibited

Gram positive bacteria → inhibited

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CHROMagar™ Y.enterocolitica

For detection and direct differentiation

of pathogenic Yersinia enterocolitica

Pathogenic Y.enterocolitica

→ mauve

Non pathogenic Y.enterocolitica and Background flora (Citrobacter, Enterobacter, Aeromonas etc)

→ Metallic blue, inhibited or limited growth in metallic blue colour

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CHROMagar™ Orientation

For isolation and differentiation
of urinary tract pathogens.

Typical Appearance of microrganisms

E.coli → dark pink to reddish
Enterococcus → turquoise blue
Klebsiella, Enterobacter, Citrobacter → metallic blue
Proteus → brown halo
Pseudomonas → cream, translucent
S.aureus → golden, opaque, small
S.saprophyticus → pink, opaque, small

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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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