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92144

Millipore

Yeast Extract

suitable for microbiology

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CAS Number:
EC Number:
MDL number:
eCl@ss:
42040000
NACRES:
NA.85

biological source

Saccharomyces cerevisiae

Quality Level

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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1 of 4

This Item
Y16251.13885Y0875
vibrant-m

92144

Yeast Extract

vibrant-m

Y1625

Yeast Extract

vibrant-m

1.13885

Yeast extract

vibrant-m

Y0875

Select Yeast Extract

suitability

molds, yeasts

suitability

nonselective for Escherichia coli, nonselective for coliforms

suitability

-

suitability

nonselective for Escherichia coli, nonselective for coliforms

biological source

Saccharomyces cerevisiae

biological source

-

biological source

yeast

biological source

-

form

powder

form

powder

form

solid

form

powder

application(s)

food and beverages, microbiology

application(s)

agriculture

application(s)

microbiology

application(s)

microbiology

pH

6.5-7.5 (25 °C, 2% in H2O)

pH

-

pH

7.0 (20 °C, 10 g/L in H2O)

pH

6.5-7.5(10% solution)

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

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Articles

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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