Description
Specifications Table
| Product Name | MacConkey HiVeg Agar without CV and NaCl, with 0.004% NR and 2.0% Agar | MV082-500 gm Himedia |
|---|---|
| Quantity/Pack Size | 500 gm |
| Form | Powder |
| Grade | Laboratory Grade |
| Application | Selective isolation of Gram-negative bacteria, lactose fermentation studies |
Product Description
MacConkey HiVeg Agar is a specialized microbial growth medium designed for the selective isolation and differentiation of Gram-negative bacteria. Unlike traditional MacConkey agar, this variant excludes crystal violet (CV) and sodium chloride (NaCl), making it suitable for specific research applications. The inclusion of 0.004% neutral red (NR) enhances the visualization of lactose fermentation, aiding in the identification of coliforms and other enteric pathogens.
This agar is formulated with plant-derived peptones (HiVeg), ensuring it is free from animal-derived components. This makes it an ethical choice for laboratories adhering to vegan or cruelty-free protocols. The 2.0% agar concentration provides a firm gel structure, ideal for pour plates and streak plating techniques.
MacConkey HiVeg Agar is widely used in clinical microbiology, food safety testing, and environmental monitoring. Its ability to inhibit Gram-positive bacteria while promoting the growth of Gram-negative organisms makes it a staple in diagnostic labs. Researchers and students rely on this medium for experiments involving bacterial identification, antibiotic susceptibility testing, and microbial ecology studies.
When preparing the medium, follow standard microbiological practices. Dissolve the powder in distilled water, sterilize by autoclaving, and pour into Petri dishes. Store the prepared plates at 2–8°C and use within the recommended shelf life for optimal performance.
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FAQs
What is the difference between MacConkey HiVeg Agar and standard MacConkey agar?
MacConkey HiVeg Agar replaces animal-derived peptones with plant-based alternatives (HiVeg) and excludes crystal violet (CV) and sodium chloride (NaCl). This makes it suitable for vegan labs and specific research applications requiring modified selectivity.
Can this agar be used for isolating Salmonella?
Yes, MacConkey HiVeg Agar supports the growth of Salmonella and other Gram-negative bacteria. However, for optimal results, additional selective media like XLD or SS agar may be used in conjunction for confirmation.
How should I store prepared MacConkey HiVeg Agar plates?
Store prepared plates at 2–8°C in sealed bags or containers to prevent dehydration. Use within 4–6 weeks for best results, as prolonged storage may affect selectivity and performance.
Is this agar suitable for student labs?
Absolutely. Its clear differentiation of lactose fermenters and non-fermenters makes it ideal for educational purposes, helping students understand bacterial metabolism and identification techniques.
Where can I buy MacConkey HiVeg Agar online in India?
You can purchase MacConkey HiVeg Agar (500 gm) online from eqipped. We offer fast shipping, competitive pricing, and reliable lab supplies for researchers, students, and educators across India.
