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28816

Millipore

Lactose Discs

suitable for microbiology, Sterile filter paper discs impregnated with Lactose

Synonym(s):

Carbohydrate discs

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About This Item

UNSPSC Code:
41171621
NACRES:
NA.85

Quality Level

100

sterility

sterile

product line

BioChemika

shelf life

limited shelf life, expiry date on the label

packaging

pkg of (25 Discs)

technique(s)

microbe id | utilization test: suitable

application(s)

clinical testing
environmental
food and beverages
pharmaceutical
microbiology

storage temp.

2-8°C

suitability

Citrobacter spp.
Enterobacter spp.
Escherichia coli
Klebsiella spp.
Streptococcus spp.
bacteria

General description

Lactose Discs are used to differentiate bacteria based on the lactose fermentation ability. Microorganisms can only ferment certain carbohydrates, depending on the enzymes they possess to break down carbohydrates. Fermentation can be detected by gas production (CO2) in liquid mediaand/or color change of pH caused by acid production. The lactose discs are aseptically added to any sugar-free basal media to test the ability of the organism to hydrolyze lactose as the sole source of carbon and energy during fermentation. Lactose is typically fermented under acid production by all coliform bacteria.

Application

Lactose Discs are recommended to detect lactose fermenting bacteria in food and environmental samples. They find their application in various sectors such as the food and dairy industry, water industry, pharmaceutical laboratory testing, cosmetic industry, environmental and sanitary testing, clinical diagnostic, etc.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCH0881
BCCG8038
BCCC3667
BCBS5120V
BCBR2789V

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Articles

Differentiation of Escherichia coli from coliforms

Sigma-Aldrich.com presents an article concerning Differentiation of Escherichia coli from coliforms.

Differentiation and Identification Media for Salmonella

Salmonella contamination is the second leading cause of food-borne illness worldwide. Controlling outbreaks of Salmonella is an important task for food regulators, restaurants and the food industry in general. The Salmonella family includes over 2,300 serotypes of bacteria, but two types, Salmonella enteritidis and Salmonella typhimurium, are responsible for about half of all human infections. Most outbreaks of Salmonella are traced back to dairy, poultry and meat products, but Salmonella can grow on nearly any food. Chicken, eggs and their derivative products are particularly high risk.

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