Thermo Fisher, CM1151B, Pre-supplemented Dichloran-Glycerol 18% (DG18) (ISO) Agar Base (Dehydrated)

Name: Pre-supplemented Dichloran-Glycerol 18% (DG18) (ISO) Agar Base (Dehydrated)
Brand: Thermo Fisher
SKU: CM1151B

Quantity: 500 g, Unit Size: Each, Isolate and enumerate yeasts and molds associated with food spoilage with Thermo Scientific™ Oxoid™ Pre-supplemented Dichloran-Glycerol 18% (DG18) (ISO) Agar Base (Dehydrated) while adhering to BS ISO 21527-2: 2008. Due to the presence of antibiotic Chloramphenicol in the formulation, the medium provides selectivity against bacteria as well as reducing harmful chemical handling in the laboratory.

Catalog Number: CM1151B

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Category

Selective & Differential Media

Pack Size500 g

TagsMicrobiological Media and Media Additives Dehydrated Microbiology Media

CollectionsThermo Fisher Microbiological Media & Media Additives Thermo Fisher Clinical Analyzers & Instruments for Diagnostic Labs Thermo Fisher General Lab Supplies for Daily Workflows — Nalgene, Nunc, Samco & Matrix

Description

Quantity: 500 g
Unit Size: Each
Use Pre-supplemented Dichloran-Glycerol 18% (DG18) (ISO) Agar Base for the enumeration and isolation of xenophilic molds from dried and semi-dried foods like spices, dried fruits, confectionery, cereals, nuts, dried meat, and fish products.
• Adheres to BS ISO 21527-2: 2008 standards.
• Makes colony counting easier: contains antifungal agent Dichloran which inhibits spreading of mucoraceous fungi and restricts the colony size of other genera. Pre-supplemented Dichloran-Glycerol (DG18) (ISO) Agar is a dehydrated culture medium formulated according to BS ISO 21527-2: 2008 Microbiology of food and animal feeding stuffs – Enumeration of yeasts and molds Part 1―Colony counting technique in products with less than or equal to 0.95 water activity^1 . The formulation contains glycerol at 18% (w/w) which lowers the water activity (aW) from 0.999 to 0.95. Not all products are available for sale in all territories. Please inquire. Remel™ and Oxoid™ products are now part of the Thermo Scientific™ brand.

Specifications

General

Description	Pre-supplemented Dichloran-Glycerol 18% (DG18) (ISO) Agar Base (Dehydrated)
Quantity	500 g
Shelf Life	5 Years
Form	Powder
Product Type	Agar
Unit Size	Each

FAQs

Question: What quantity is supplied?

Answer:This configuration contains 500 g of dehydrated DG18 medium.

Question: What organisms is the medium used to enumerate?

Answer:It is used for yeasts and xerophilic molds in dried and semi-dried foods.

Question: Why is glycerol included?

Answer:Glycerol lowers water activity to support recovery of xerophilic fungi.

Application Note

Pre-supplemented Dichloran-Glycerol 18% (DG18) Agar Base is a dehydrated selective medium for isolation and enumeration of yeasts and xerophilic molds from dried and semi-dried foods. This configuration contains 500 g of powder. Glycerol lowers the water activity to about 0.95, favoring recovery of xerophilic fungi, while dichloran limits spreading growth so colonies remain easier to count. Chloramphenicol is already incorporated into the formulation to suppress bacterial growth and reduce the need to handle a separate antibiotic supplement. The formulation is aligned with ISO 21527-2:2008 workflows for foods and animal feeds with water activity at or below 0.95. The dehydrated medium is stored at approximately 10–30 °C.

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