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Key Documents

C9386

Millipore

Casein Peptone

Acid digest of casein from bovine milk, 8-12% amino, suitable for biotechnology and microbiology

Synonyme(s) :

Casein hydrolyzates, Hy-Case® SF, Peptone from casein, casein acid hydrolysate

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About This Item

Numéro CAS:
65072-00-6
Numéro CE :
265-363-1
Code UNSPSC :
41106212
Nomenclature NACRES :
NA.85

product name

Hy-Case® SF, Casein acid hydrolysate, from bovine milk

Source biologique

bovine milk

Niveau de qualité

200

Forme

powder

Dosage de l'azote

8-12% amino, ≥12.5% total

Perte

≤11% loss on drying

pH

5.4-7.4

Application(s)

food and beverages
microbiology

Température de stockage

10-30°C

Adéquation

Streptococcus spp.
Streptomyces spp.

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Catégories apparentées

Description générale

Hy-Case® SF is a high-quality acid hydrolysis of casein. Casein is a rich source of amino nitrogen so on treatment with a strong acid, it gets hydrolysed, producing free amino acids and several short peptide fragments. Special processing keeps inorganic ions to a minimum, so Hy-Case® SF is virtually a high concentration of free amino acids with a minimum of salt. It is a refined grade hydrolysate with high clarity in solution and is food grade and is recommended where a mixture of highly soluble free amino acids is required. It is especially recommended when inorganic ion levels need to be kept at a minimum.

Application

Casein hydrolysate Hy-Case® SF was used in DMCY medium, during an experimental study conducted to investigate the role of ssgA gene product in promoting the sporulation and cell division in Streptomyces griseus. It may also be used in the YH medium in studies related to Halobacterium denitrificans sp. which is characterised as being carbohydrate-utilizing, denitrifying, extremely halophilic bacteria.
Recommended for use as a microbiological nutrient in laboratory media, fermentations, and tissue culture applications requiring a mixture of highly soluble free amino acids.

Liaison

Similar to Hy-Case Amino, but contains a maximum of 2.0% sodium chloride

Reconstitution

Recommended concentration: 25 g/L

Informations légales

Hy-Case is a registered trademark of Kerry Group

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)

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Certificats d'analyse (COA)

Lot/Batch Number
0000388992
0000314591
0000325213
0000388992
0000352009

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G A Tomlinson et al.
International journal of systematic bacteriology, 36(1), 66-70 (1986-01-01)
Halobacterium denitrificans was one of several carbohydrate-utilizing, denitrifying, extremely halophilic bacteria isolated by anaerobic enrichment in the presence of nitrate. Anaerobic growth took place only when nitrate (or nitrite) was present and was accompanied by the production of dinitrogen.
S Kawamoto et al.
Microbiology (Reading, England), 143 ( Pt 4), 1077-1086 (1997-04-01)
The ssgA gene of Streptomyces griseus B2682, when present in high copy number, results in both suppression of sporulation and fragmented growth of mycelia. Western analysis with polyclonal antibodies against the gene product (SsgA) revealed a close correlation between SsgA

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