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Item #:
85066787
MacConkey Agar (MAC), (10-Pack), Pre-Poured, 15x100mm Petri Plates. Industry Use: Food Safety. for Dectection of E. Coli, Shigella, Salmonella.
Item #:
85066787
USD 53
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*All items will import from US
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Order now and get it around Sunday, August 23
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What Stands Out
Pre-Poured Convenience
These pre-poured plates save time and effort in lab preparation, ensuring immediate usability for quick and efficient testing, catering perfectly to busy food safety professionals.
Targeted Bacteria Detection
Specially formulated to effectively detect E. Coli, Shigella, and Salmonella, this agar provides reliable results, making it an essential tool for food safety testing and compliance.
Bulk Packaging Benefit
Offered in a convenient 10-pack, these plates provide an economical solution for laboratories and food safety departments, reducing unit cost while maintaining quality and reliability.
Product Details
Who Should Buy?
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Food Safety Inspectors
Ideal for food safety inspectors testing samples for harmful bacteria in food preparation environments and storage.
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Microbiology Labs
Essential for microbiology labs in academic institutions conducting research on bacterial pathogens commonly found in food.
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Quality Control
Beneficial for quality control teams in food manufacturing, ensuring compliance with health standards by testing for contaminants.
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Home Use
Not suitable for home use, as handling and interpreting results require professional lab techniques and training.
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 British Virgin 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
**** The MacConkey Agar-II MAC Petri Plates have gained a solid reputation among customers, particularly those engaged in veterinary diagnostics and food safety applications. Users have praised the effectiveness of this pre-poured media for the culture of E. coli, Shigella, and Salmonella, noting that it allows for convenient and reliable bacterial detection without the need for advanced equipment like microscopes. One customer shared their experience using these plates to monitor their dog’s urinary health after a severe infection, highlighting the user-friendly nature of the product for home diagnostics. On multiple occasions, the product provided Consistent results, demonstrating the capacity to differentiate between urine samples and control fecal samples, verifying its accuracy in identifying bacterial presence. Users found the protocol for employing the plates clear and straightforward, aided by thorough prior research. However, there have been occasional concerns regarding contamination in a few plates received and discrepancies with expiration dates. Nonetheless, users reported that most plates performed well, yielding healthy bacterial colonies for testing. The affordability compared to the high costs of veterinary visits adds to the product's value, making it a beneficial choice for pet owners and those interested in microbiological studies. In summary, customers appreciate the MacConkey Agar-II MAC for its practicality, value, and reliable performance. While there have been minor issues regarding some plates and expiration dates, the overall experience reflects satisfaction with the product's ability to serve in early bacterial detection effectively. **
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Pros
- Effective for growing bacteria, particularly E. coli, Shigella, and Salmonella.
- User-friendly and does not require a microscope for initial assessment.
- Cost-effective alternative to expensive veterinary diagnostics.
- Consistent results in bacterial cultures, beneficial for early detection.
Cons
- Occasional contamination reported in some plates.
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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USD 53
Order now and get it around Sunday, August 23
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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