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Merck

92144

Yeast Extract for Biotechnology and Microbiology

for Biotechnology and Microbiology

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A propos de cet article

Numéro CAS:
8013-01-2
UNSPSC Code:
41106212
eCl@ss:
42040000
NACRES:
NA.85
EC Number:
232-387-9
MDL number:
MFCD00132599

Principaux documents

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Nom du produit

Yeast Extract, suitable for microbiology

biological source

Saccharomyces cerevisiae

sterility

non-sterile

form

powder

shelf life

limited shelf life, expiry date on the label

composition

amino-nitrogen, ≥4.5%
total nitrogen (N), ≥10%

packaging

pkg of 25 kg
pkg of 5 kg
pkg of 500 g

ign. residue

≤15%

loss

≤8% loss on drying

pH

6.5-7.5 (25 °C, 2% in H2O)

solubility

H2O: 2%, clear, light yellow to brownish-yellow

application(s)

food and beverages
microbiology

suitability

molds
yeasts

Quality Level

200

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Catégories apparentées

Application

Yeast extract is particularly used in media for the cultivation of microorganisms encountered in milk or other dairy products and in the media for the detection and enrichment of pathogens and indicator organisms.

General description

Yeast Extract Powder is manufactured from selected strains of Saccharomyces cerevisiae. It is recommended for use in microbial culture media, fermentation and other biological studies. Yeast extract is manufactured under controlled conditions to retain its vitamin content and other nutritive values such as peptides, free amino acids, nucleic acids, minerals, trace elements, and phosphorous compounds. It is rich in vitamins, especially the B complex, and is often used to supply these factors in culture media at a concentration of 0.3 - 0.5%.

Classe de stockage

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificats d'analyse (COA)

Lot/Batch Number
BCCN9442
BCCN0126
BCCL7834
BCCJ9938
BCCK3485

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