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Item #:
221762895
MacConkey Agar (MAC), (10-Pack), Pre-Poured, 15x100mm Petri Plates. Industry Use: Food Safety. for Dectection of E. Coli, Shigella, Salmonella.
83% of respondents would recommend this to a friend
Item #:
221762895
KYD 50
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*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Friday, September 18
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What Stands Out
Pre-Poured Convenience
These pre-poured Petri plates save time and effort, allowing users to focus on testing rather than preparation, making it ideal for busy laboratories and food safety professionals.
Targeted Detection
Specifically designed to detect E. Coli, Shigella, and Salmonella, this agar enhances food safety by allowing precise identification of harmful pathogens present in food samples.
Quality Assurance
Manufactured under stringent quality controls, these plates provide reliable results, ensuring accurate testing that meets industry standards for food safety and regulatory compliance.
Product Details
Who Should Buy?
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Laboratories
Ideal for microbiology labs needing reliable medium for the detection of harmful bacteria in samples.
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Food Safety Inspectors
A valuable tool for inspectors to rapidly test food samples for harmful pathogens like E. Coli.
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Educational Institutions
Perfect for schools and universities conducting microbiology experiments or studies on food safety.
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Home Users
Not suitable for casual users as it requires specific sterilization and interpretation skills.
Product Description
MacConkey Agar (MAC), (10-Pack), Pre-Poured, 15x100mm Petri Plates. Industry Use: Food Safety. for Dectection of E. Coli, Shigella, Salmonella.
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Customer Questions & Answers
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Question:
What is MacConkey Agar used for?
Answer: MacConkey Agar is a selective and differential culture medium specifically designed for the isolation and differentiation of gram-negative bacteria, particularly Enterobacteriaceae, including E. coli, Shigella, and Salmonella. It works by inhibiting the growth of gram-positive bacteria and differentiating lactose fermenters from non-fermenters based on color changes in the agar. This makes it essential in food safety laboratories where pathogenic bacteria detection is critical. -
Question:
How should MacConkey Agar plates be stored?
Answer: MacConkey Agar plates should be stored in a cool, dark place, ideally at temperatures between 2°C and 8°C. Proper storage conditions help maintain the integrity of the agar and the viability of the growth medium. Ensure the plates are kept in their sleeves or sealed packaging to prevent contamination and dehydration. This ensures optimal performance when you need to test food samples for bacterial contamination during food safety assessments. -
Question:
Can MacConkey Agar plates be reused?
Answer: No, MacConkey Agar plates are designed for single-use only. Once a plate has been inoculated with a sample and incubated, it should not be reused as this can lead to cross-contamination and inaccurate results. Always utilize a fresh plate for every test to ensure the reliability of your findings when assessing food safety regarding bacteria like E. coli and Salmonella. -
Question:
What are the signs of contamination on a MacConkey Agar plate?
Answer: Contamination on a MacConkey Agar plate can be identified by unexpected growth or color changes not associated with the specific bacteria you are testing for. Typical growth of lactose fermenters will appear pink, while non-fermenters will remain colorless. If there are multiple colonies of a varying color or unexpected molds and contaminants, it indicates that the sample may need to be retested for accuracy in food safety analysis. -
Question:
How do you interpret results from MacConkey Agar?
Answer: Interpreting results from MacConkey Agar involves observing colony morphology and color after incubation. Pink colonies indicate lactose fermentation, typically denoting the presence of E. coli, while colorless colonies suggest non-fermenters, like Salmonella and Shigella. It's essential to combine this visual assessment with additional biochemical tests for accurate identification, especially in food safety labs where precise pathogen detection is necessary to avoid foodborne illnesses. -
Question:
Is MacConkey Agar suitable for all types of bacteria?
Answer: MacConkey Agar is specifically formulated for gram-negative bacteria and is not suitable for cultivating gram-positive organisms. Its selective nature effectively inhibits the growth of many unwanted organisms, which is crucial in food safety testing. Therefore, while useful for detecting major pathogens like E. coli, Shigella, and Salmonella, it should not be used when testing samples primarily for gram-positive bacteria. -
Question:
What is the shelf life of pre-poured MacConkey Agar plates?
Answer: Pre-poured MacConkey Agar plates typically have a shelf life of several months when stored correctly under recommended conditions. It's important to check the expiration date on the packaging before use. Using plates past their expiration could lead to less reliable results, which is especially critical when testing food for harmful bacteria as part of food safety protocols. -
Question:
Can MacConkey Agar be used for environmental testing?
Answer: Yes, MacConkey Agar can be utilized for environmental testing, particularly in assessing water quality and food preparation surfaces. It helps identify potential contamination by pathogenic bacteria that could pose health risks. For instance, using MacConkey Agar to evaluate a kitchen or food-processing area can be an essential step in a comprehensive food safety program to ensure hygiene standards are met. -
Question:
What should I do if there is no growth on my MacConkey Agar plate?
Answer: If no growth is observed on your MacConkey Agar plate after incubation, it may suggest that the sample was free from the targeted bacteria or that the bacterial load was below detectable levels. It could also result from improper sample handling or plate preparation. To confirm results, consider testing another sample or employing alternative media to validate your findings, especially in a food safety context. -
Question:
Where can I buy MacConkey Agar MAC, 10-Pack, Pre-Poured, 15x100mm Petri Plates?
Answer: You can buy MacConkey Agar MAC, 10-Pack, Pre-Poured, 15x100mm Petri Plates from Ubuy in Cayman Islands. Ubuy offers a convenient online shopping experience, making it easier to obtain essential microbiological testing supplies for your food safety needs. Ensure you select a reputable supplier to guarantee the quality and reliability of your laboratory products.
Diamante Scientific Petri Dishes Editorial Review
MacConkey Agar (MAC), (10-Pack), Pre-Poured, 15x100mm Petri Plates are essential for the detection of E. Coli, Shigella, and Salmonella, making them invaluable in food safety applications. Users have successfully utilized these plates for testing veterinary samples, showing that negative growth can signal a sterile urine sample, enhancing preventive care. The plates provide a simple yet effective means for home testing without requiring complex equipment; therefore, facilitating rapid diagnosis and treatment after suspected infections.
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Pros
- Useful for detecting gram-negative bacteria
- No microscope needed for confirmed results
- Cost-effective alternative to veterinary tests
- High accuracy in bacterial growth observation
- Long shelf life with proper storage
Cons
- Occasional arrival of contaminated plates reported
Platform Trust & Buyer Confidence
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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Emmanuel
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“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
31 August 2026 · via Trustpilot
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fnd
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“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
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“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”
25 August 2026 · via Trustpilot
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Hengo
Verified buyer
“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
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KYD 50
Order now and get it around Friday, September 18
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Selective and differential culture medium for gram negative bacilli
- Contains crystal violet and bile salts for differentiation
- Pre-poured MacConkey Agar plates for convenience
- Manufactured in the USA
- Thick layer of agar for good growth
- Plate dimensions: 100mm diameter x 15mm deep
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