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Merck
CN

61348

Lactose Gelatin Medium (Base)

suitable for microbiology, NutriSelect® Basic

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About This Item

NACRES:
NA.74
UNSPSC Code:
41171606
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Product Name

Lactose Gelatin Medium (Base), suitable for microbiology, NutriSelect® Basic

sterility

non-sterile

form

powder

shelf life

limited shelf life, expiry date on the label

composition

disodium hydrogen phosphate, 5 g/L
lactose, 10 g/L
meat peptone (peptic), 15 g/L
phenol red, 0.05 g/L
yeast extract, 10 g/L

manufacturer/tradename

NutriSelect® Basic

technique(s)

microbe id | specific enzyme detection: suitable
microbiological culture: suitable

final pH

7.5±0.2 (25 °C)

application(s)

agriculture
bioburden testing
environmental
food and beverages

microbiology

suitability

Bacillus spp.
Proteus spp.
Serratia spp.
Staphylococcus spp.
nonselective and differential for Clostridium spp.

Quality Level

Application

For the detection of lactose and gelatine metabolizing microorganisms (Cl. perfringens).

Other Notes

We offer two media types: the superior granulated GranuCult® and the cost-efficient powdered NutriSelect® culture media, depending on your needs.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.

Preparation Note

Dissolve 40 g in 1 litre distilled water. Adjust the pH then add 120 g gelatine 180 Bloom (Cat. No. 48722) and bring to the boil to dissolve. Pour a deep layer in screw-cap tubes and sterilize by autoclaving at 121°C for 15 minutes.

Legal Information

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

动植物来源培养基
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Articles

Some Bacillus species are crucial for advancing our understanding of bacteria, while others can be harmful, acting as spoilage organisms or pathogens. Nevertheless, all these species are significant in biotechnological research.

Clostridium perfringens can cause contamination in undercooked or improperly sterilized canned foods and water. Learn to detect, identify, and differentiate this pathogen.

Microbiological assessment of bacteria found in spices, a potent source for food spoilage and pathogens.

产气荚膜梭菌会导致未煮熟或未正确消毒的罐头食品和水受到污染。了解如何检测、鉴定和区分这种病原体。

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