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Petrifilm® High-Sensitivity Coliform Count Plates - Yüksek Hassasiyetli Koliform Sayım Plakası

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Petrifilm® High-Sensitivity Coliform Count Plates

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Ready-to-use culture plates for detecting low-level coliform contamination at 1 CFU/g sensitivity within 22-26 hours. Suitable for trace-level coliform screening in milk and food products.

Sensitivity to 1 coliform/g (with 1:5 dilution)
Accepts 5 mL sample volume
22-26 hour incubation period (30°C or 37°C)
AOAC OMA #996.02 and AFNOR NF VALIDATION certified
Ready-to-use, dehydrated modified VRB medium
Patented gas-trapping upper film technology

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Daha fazla detay

Petrifilm® High-Sensitivity Coliform Count Plates are engineered to detect ultra-low levels of coliform contamination that conventional methods fail to capture. By accepting 5 mL sample volumes compared to standard 1 mL plates, they deliver superior sensitivity and can quantify results down to 1 coliform/g.

Traditional VRBA/VRBL agar methods struggle with low-level contamination detection due to limited sample volume and often require cumbersome supplementary testing such as MPN analysis. This plate features a ready-to-use dehydrated nutrient medium and patented gas-trapping technology that captures gas produced by coliforms between the gel and upper film, creating bubbles around colonies for simplified enumeration.

The product is validated under AOAC OMA #996.02 (dairy products) and AFNOR NF VALIDATION certification (3M 01/7-03/99), ensuring compliance with official reporting requirements—particularly critical for milk, ice cream, and cheese manufacturers. With a 22-26 hour incubation period at standardized temperatures, results are obtained faster than classical methodologies.

Technical Specifications

Brand	Petrifilm® (Neogen/3M)
Target Microorganism	Coliform bacteria
Sensitivity	1 coliform/g (1:5 dilution); 2 coliform/g (1:10 dilution)
Sample Volume	5 mL
Incubation	22-26 hours, 30°C ±1°C or 37°C ±1°C
Result Type	Quantitative
Certifications	AOAC OMA #996.02, AFNOR Certification 3M 01/7-03/99
Storage Conditions	≤ 8°C
Packaging	50 plates/box (SKU 700002119, Cat. No. 6405); 500 plates/box (SKU 700002126, Cat. No. 6415)

Applications

Low-level coliform contamination screening in dairy products including milk, ice cream, and cheese
Routine testing in facilities requiring official quality assurance and regulatory compliance documentation
Confirmatory testing for samples where standard plates lack sufficient sensitivity

Frequently Asked Questions

How does this plate differ from the standard Petrifilm Coliform plate?

This high-sensitivity variant accepts 5 mL sample volumes, enabling detection down to 1 coliform/g; standard plates typically process 1 mL samples with lower sensitivity thresholds.

What is the turnaround time for results?

Quantitative results are readable after 22-26 hours of incubation at 30°C or 37°C.

What official certifications does it hold?

It carries AOAC OMA #996.02 certification for dairy products and AFNOR NF VALIDATION certification (3M 01/7-03/99).