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70161

Millipore

Yeast Extract

suitable for microbiology

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Synonym(s):
YE, Baker’s yeast extract
CAS Number:
8013-01-2
EC Number:
232-387-9
MDL number:
MFCD00132599
UNSPSC Code:
41106212
eCl@ss:
42040000
NACRES:
NA.74

biological source

Saccharomyces cerevisiae

Quality Level

200

sterility

non-sterile

form

powder

composition

amino-nitrogen, ~5%
total nitrogen (N), ≥11%

ign. residue

≤15%

loss

≤6% loss on drying

pH

7.0±0.2 (2% in H2O)

solubility

H2O: 2%, clear, yellow

application(s)

environmental
food and beverages
microbiology

storage temp.

2-25°C

suitability

molds
yeasts

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General description

A water-soluble extract of autolyzed yeast cells, yeast extract is a mixture of amino acids, peptides, and water-soluble vitamins, for example, intact vitamin B12 complex and carbohydrates, and can be used as an additive for culture media and fermentation media. It can also be used in the resuscitation of a large variety of fastidious microorganisms.

Application

Yeast extract is recommended for use in culture media and the cultivation of various microorganisms. It provides multi-functional nutrient supplements that can also be used in microbial fermentation.

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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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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