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92144

Millipore

Yeast Extract

suitable for microbiology

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About This Item

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

biological source

Saccharomyces cerevisiae

Quality Level

200

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

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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%.

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.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCH1128
BCCG7076
BCCF9321
BCCF1327
BCCD4449

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Sigma-Aldrich

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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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