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Z699403 Sigma-Aldrich

Swabs and SwabChecks

Yeast & Mold Swab Kit

Synonym: mold kit, mold kits

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Properties

Related Categories Labware, Manufacturer Browser, Microbiological Culture Media, Microbiology, Swabs Products,
feature   Yeast & Mold Swab Kit
packaging   pkg of 30 ea
mfr. no.   Maine Mfg, 10498316
Featured Industry   Environmental
Food and Beverages
suitability   Bacteria

Description

General description

The SwabCheck principle
The surface is wiped with a cellulose swab and any bacteria collected are transferred via the swab into a tube containing a special medium with an indicator dye, which is then incubated. A single bacterium is sufficient to cause a color change. This means that SwabCheck is about 1000 times more sensitive than the conventional ATP method. This accuracy is particularly important in the food industry. With this simple method, it is possible to identify microorganisms such as Listeria monocytogenes, which must not be present in any concentration in food and beverages.

Features and Benefits
• The right test for each type of contamination
• Qualitative and semi-quantitative hygiene control
• Sterile packed and ready-for-use
• Easy to handle
• Rapid results
• Long shelf-life
• SwabCheck use

Handling is easy. Open the sterile pack, remove the swab and wipe it over an area of about 10 x 10 cm. Then twist off the cap of the medium tube and insert the swab so that the cap fits tightly. Label the sample tube and incubate at the appropriate temperature.

A change in color indicates the presence of the microorganism in question. The quicker the color change occurs, the higher the bioburden. If no color change has been observed after the maximum incubation period has elapsed, then the corresponding microorganism is not present.GVS offers SwabCheck in packs of 25 pieces. Shelf-life of 12 months.

Yeast and Mold Swab Kit
Used for the enumeration of yeast and molds on surfaces in accordance with HACCP. The kit includes the swabs and culture medium, packaged with a membrane device, providing a quantitative result. M-Green yeast and mold is an improved modification of the liquid medium, and was developed to improve efficiency of detection and enumeration of fungi in sugar based drinks using the membrane filtration method. This medium has a low pH, which inhibits bacterial growth. The addition of bromocresol green, which diffuses into fungal colonies as an alkaline reaction, allows them to be easily identified. Metabolic by-products from the developing colonies diffuse into the surrounding medium, further reducing the pH that aids in the inhibition of bacterial growth, but also produces an acid reaction that causes residual bromocresol green to change to yellow. Green opaque colonies against a yellow background are indicative of the growth of yeasts. Mold colonies are green and filamentous.

Other Notes

Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
2

Documents

Certificate of Analysis

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Protocols & Articles

Articles

Microbiology Introduction

An initial aim of all microbiologists is the reproducible growth of their microbial cultures, no matter whether the microorganisms are of natural origin or have been genetically engineered by man. Re...
Keywords: Absorption, Aerobic, Anaerobic, Antibiotics, Antimicrobials, Buffers, Culture media, Diffusion, Environmental, Filtration, Genetic, Growth factors, Metabolism, Phase transitions, Precipitation, Reductions, Respiration, Sample preparations, Vitamins

Microbiology Theory: Media Preparation

Microorganisms need nutrients, a source of energy and certain environmental conditions in order to grow and reproduce. In the natural environment, microbes have adapted to the habitats most suitable ...
Keywords: Culture media, Digestions, Environmental, Filtration, Growth factors, Indicators, Microbiology, Phase transitions, Precipitation, Vitamins

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