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70161

Millipore

Yeast Extract

suitable for microbiology

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Synonym(s):
YE, Baker’s yeast extract
CAS Number:
EC Number:
MDL number:
eCl@ss:
42040000
NACRES:
NA.74

biological source

Saccharomyces cerevisiae

Quality Level

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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This Item
92144Y162509182
Yeast Extract suitable for microbiology

Millipore

70161

Yeast Extract

Yeast Extract suitable for microbiology

Millipore

92144

Yeast Extract

Yeast Extract for use in microbial growth medium

Sigma-Aldrich

Y1625

Yeast Extract

Yeast Extract for technical purposes (in fermentation)

Millipore

09182

Yeast Extract

sterility

non-sterile

sterility

non-sterile

sterility

non-sterile

sterility

non-sterile

form

powder

form

powder

form

powder

form

powder

pH

7.0±0.2 (2% in H2O)

pH

6.5-7.5 (25 °C, 2% in H2O)

pH

-

pH

6.5-7.5 (2% in H2O)

solubility

H2O: 2%, clear, yellow

solubility

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

solubility

-

solubility

H2O: 2%, turbid, yellow

application(s)

environmental
food and beverages, microbiology

application(s)

food and beverages, microbiology

application(s)

agriculture

application(s)

food and beverages
microbiology

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.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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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