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Key Documents

C7970

Millipore

Casein acid hydrolysate vitamin free

suitable for microbiology, rich in amino acids and serves as a nitrogen source.

Synonym(s):

Peptone from casein

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About This Item

CAS Number:
91079-40-2
EC Number:
293-428-4
UNSPSC Code:
41106212
NACRES:
NA.85

biological source

bovine milk

Quality Level

200

form

powder

nitrogen analysis

≥4.6% amino
≥7% total

ash

≤42%

loss

≤5% loss on drying

color

off-white to yellow

pH

5-7 (2% in H2O)

application(s)

food and beverages
veterinary
microbiology

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General description

Casein Acid Hydrolysate is obtained by degrading casein with hydrochloric acid; vitamins and other growth-promoting compounds are largely destroyed in the process. However, it is a rich source of amino acids and serves as a nitrogen source. It is suitable for the preparation of culture media employed in the bacteriological assay of vitamins and antibiotic sensitivity.

Application

Casein Acid Hydrolysate that is free of vitamins can be used as a nitrogen source in culture media that is being used to conduct a bacteriological assay on vitamins and antibiotic sensitivity.

Other Notes

A hydrochloric acid digest of casein free of vitamins.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCN8464
MKCN8463
MKCN6505
MKCN3806
MKCN2973

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Articles

Base Ingredients of Microbiology Media

Culture media provides a habitat with suitable nutrients, energy sources, and certain environmental conditions for the growth of microorganisms. The components of the culture media range from simple sugars to peptones, salts, antibiotics, and complex indicators.

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