What is Mannitol Salt Agar used for?

Mannitol Salt Agar (MSA) is a selective and differential culture medium primarily used for the isolation and identification of Staphylococcus species. Its high salt concentration inhibits the growth of most other bacteria, allowing Staphylococcus species to thrive. Additionally, it contains mannitol and a pH indicator, which helps differentiate Staphylococcus aureus from other species based on its ability to ferment mannitol, producing acid and changing the color of the medium to yellow. This makes MSA ideal for clinical labs and research settings that need to isolate pathogens.

How do I prepare Mannitol Salt Agar from powder?

To prepare Mannitol Salt Agar from powder, dissolve the specified amount of agar powder in distilled water, typically around 500 grams for a liter. Boil the solution while stirring to ensure complete dissolution, then sterilize it by autoclaving. After sterilization, allow the medium to cool before pouring it into Petri dishes to solidify. This method is widely used in microbiology labs to create solid culture media for microbial analysis, particularly in detecting Staphylococcus aureus in various samples.

Can Mannitol Salt Agar be stored, and if so, how?

Yes, Mannitol Salt Agar can be stored for several weeks if prepared correctly. After autoclaving and cooling, it’s best to store the solidified medium in a sterile, airtight container, preferably in a refrigerator. This helps maintain its integrity and prevents contamination. Before use, inspect the agar for any signs of contamination or drying. Properly stored MSA is crucial for accurate culturing and identification of microorganisms, making it a staple in many microbiological studies.

What types of bacteria can grow on Mannitol Salt Agar?

Mannitol Salt Agar primarily supports the growth of Staphylococcus species due to its high salt concentration, which inhibits most other bacteria. Among these, Staphylococcus aureus ferments mannitol, leading to a color change in the medium, while Staphylococcus epidermidis does not ferment it and thus does not change the color. This selective growth makes MSA an essential tool in identifying potential pathogens in clinical specimens, aiding healthcare professionals in diagnosing infections.

What safety precautions should be taken when using Mannitol Salt Agar?

When using Mannitol Salt Agar, standard microbiological safety precautions should be observed to prevent contamination and exposure to potentially harmful microorganisms. Always wear appropriate personal protective equipment (PPE) like lab coats, gloves, and goggles while handling cultures. Work in a designated microbiology area, ideally a biosafety cabinet, to minimize aerosols and ensure proper aseptic techniques. Following these precautions is crucial for maintaining a safe working environment and obtaining accurate results in microbiological analyses.

Is Mannitol Salt Agar suitable for vegetative cells, and why?

Mannitol Salt Agar is primarily designed for the growth of certain bacteria, particularly Staphylococcus species, which are generally vegetative cells. The high salt concentration creates a challenging environment for most other bacteria, but those that thrive, like Staphylococcus, can still grow effectively. MSA is used in laboratories for isolating these vegetative cells, especially in clinical settings where identifying pathogens quickly is essential for treatment planning.

Can Mannitol Salt Agar differentiate between Staphylococcus species?

Yes, Mannitol Salt Agar is designed to differentiate between Staphylococcus species based on their ability to ferment mannitol. Staphylococcus aureus ferments mannitol, producing acid that leads to a color change in the medium, typically turning yellow. In contrast, Staphylococcus epidermidis does not ferment mannitol and will not cause any color change. This differential capability makes MSA an invaluable tool for microbiologists in rapidly identifying pathogenic Staphylococcus strains in clinical specimens.

What is the significance of mannitol fermentation in Mannitol Salt Agar?

Mannitol fermentation in Mannitol Salt Agar serves as a key differentiator among Staphylococcus species. The ability of Staphylococcus aureus to ferment mannitol produces acid, lowering the pH and causing the medium to change color, typically from red to yellow. This reaction not only highlights the presence of S. aureus but also aids in distinguishing it from non-pathogenic species like Staphylococcus epidermidis, which does not ferment mannitol. This characteristic is vital for microbiological diagnostics and epidemiological studies.

How long does it take for colonies to appear on Mannitol Salt Agar?

Colonies typically appear on Mannitol Salt Agar within 24 to 48 hours of incubation at 35-37°C. Some bacteria, like Staphylococcus aureus, may show rapid growth, making it easier to identify within a day. However, slower-growing bacteria may take longer. Timing can vary based on the organism’s growth rate and the initial inoculum concentration. Understanding the incubation timeframe is crucial for effectively identifying and characterizing microbial colonies in laboratory settings, guiding timely clinical decisions.

Where can I buy Mannitol Salt Agar, 500 Grams?

You can buy Mannitol Salt Agar, 500 Grams from Ubuy, which offers a wide range of laboratory supplies, ensuring quality and convenience for your microbiological needs. Ubuy provides a user-friendly platform for placing orders and finding the products you need for research or clinical applications.

How to Shop Mannitol Salt Agar, 500 Grams Online From Ubuy?

It’s easy to shop Mannitol Salt Agar, 500 Grams online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

Is Mannitol Salt Agar, 500 Grams Available to Shop Online in South Africa?

Yes, at Ubuy South Africa this product is available for you to shop at a reasonable price. The Mannitol Salt Agar, 500 Grams is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

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Product is sold for research or further manufacturing use only, not for food or drug use.

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Item #: 72349149

Mannitol Salt Agar, 500 Grams

Item #: 72349149

ZAR 2919

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What Stands Out

Selective Medium

Mannitol Salt Agar effectively selects for staphylococci while inhibiting unwanted bacteria, ensuring accurate culturing and identification of pathogenic strains.

High Salt Concentration

The medium's high salt concentration provides a challenging environment for non-staphylococcal bacteria, enhancing the isolation of target species, crucial for microbiological analysis.

Versatile Applications

Ideal for clinical, environmental, and research settings, allowing for diverse applications in microbiology, making it a valuable tool for laboratories seeking reliable results.

Product Details

Mannitol Salt Agar, 500 Grams
Sold for research or further manufacturing use only, not for food or drug use
Composition: Casein Digest Peptone: 5.0g, Peptic Digest of Animal Tissue: 5.0g, D-Mannitol: 10.0g, Beef Extract: 1.0g, Phenol Red: 0.025g, Sodium Chloride: 75.0g, Agar: 15.0g

Item Weight

1.1 lbs (500 grams)

Who Should Buy?

Microbiology Labs
Ideal for laboratories focusing on isolation and differentiation of Staphylococcus species in clinical samples.
Educational Institutions
Suitable for teaching purposes in microbiology courses, enhancing students' understanding of bacterial culture techniques.
Research Facilities
Beneficial for researchers studying salt-tolerant bacteria and their physiological characteristics in controlled environments.

Home Use
Not suitable for home experimentation due to safety and contamination risks associated with microbial growth.
Beginner Microbiologists
Beginners might find it challenging to interpret results correctly without proper guidance or experience.
General Food Testing
Not recommended for routine food safety testing, as it specifically targets staphylococci and not all pathogens.

Product Description

Mannitol Salt Agar, 500 Grams

About This Item

Introducing Mannitol Salt Agar - the perfect medium for your microbiology laboratory needs. Our Mannitol Salt Agar is specially formulated with a balanced composition to promote the growth and differentiation of microorganisms. Each 500 grams container contains a precise blend of high-quality ingredients. The composition includes Casein Digest Peptone and Peptic Digest of Animal Tissue, providing essential nutrients to support bacterial growth.

The addition of D-Mannitol encourages the differentiation between pathogenic and non-pathogenic bacteria, making it an ideal medium for selective cultivation. Beef Extract adds richness to the agar, enhancing the overall performance of the agar plate. Phenol Red serves as a pH indicator, allowing easy visual identification of acid-producing microorganisms.

Sodium Chloride ensures osmotic balance, creating an environment conducive to microbial growth. And finally, Agar solidifies the medium, providing a solid surface for colony formation. When it comes to reliability and quality, Mannitol Salt Agar is second to none. Our brand is trusted by professionals worldwide for its exceptional performance and consistency.

Whether you are a microbiologist, researcher, or educator, our Mannitol Salt Agar will meet and exceed your expectations. With Ubuy, you can purchase your preferred Mannitol Salt Agar brand conveniently from the comfort of your home. We offer the best prices on the market, making it affordable to stock up on your lab essentials. Our online platform is easy to navigate, ensuring a seamless browsing and purchasing experience.

Say goodbye to the hassle of searching for a reputable seller - Ubuy is your one-stop-shop for all your laboratory needs. Don't wait any longer. Buy your Mannitol Salt Agar 500 Grams today and take your microbiology experiments to the next level. Trust in the best - trust in Ubuy.

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Customer Questions & Answers

Question: How to Shop Mannitol Salt Agar, 500 Grams Online From Ubuy?

Answer: It’s easy to shop Mannitol Salt Agar, 500 Grams online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is Mannitol Salt Agar, 500 Grams Available to Shop Online in South Africa?

Answer: Yes, at Ubuy South Africa this product is available for you to shop at a reasonable price. The Mannitol Salt Agar, 500 Grams is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

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Pros

Effective for isolating bacteria
Highly selective medium
Easy to use and prepare
consistent results in tests
Long shelf life

Cons

Limited color change observed.

Product Price History

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Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

ZAR 2919

Order now and get it around Wednesday, August 26

QTY:

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Fastest cross-border delivery

Features & Benefits

Casein Digest Peptone: 5.0g
Peptic Digest of Animal Tissue: 5.0g
D-Mannitol: 10.0g
Beef Extract: 1.0g
Phenol Red: 0.025g
Sodium Chloride: 75.0g
Agar: 15.0g

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Mannitol Salt Agar, 500 Grams

ZAR 2919

Fast Shipping

Free Return*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

What Stands Out

Product Details

Who Should Buy?

Product Description

About This Item

Customer Questions & Answers

RPI Analytical Reagents Editorial Review

Customer Reviews & Ratings

Review this product

Pros

Cons

Product Price History

Important information

ZAR 2919

Features & Benefits

Ubuy Assurance

Fast
Shipping

Free
Return^*