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09182

Millipore

Yeast Extract

for technical purposes (in fermentation)

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Synonym(s):
YE, Baker’s yeast extract
CAS Number:
EC Number:
MDL number:
eCl@ss:
42040000
NACRES:
NA.85

biological source

Saccharomyces cerevisiae

Quality Level

grade

for technical purposes (in fermentation)

sterility

non-sterile

Assay

≤3% amino-nitrogen basis
≥9% total nitrogen (N) basis

form

powder

shelf life

limited shelf life, expiry date on the label

composition

amino-nitrogen, ≤3%
total nitrogen (N), ≥9%

impurities

≤16% ash
≤8% non-dissolved

loss

≤8% loss on drying

pH

6.5-7.5 (2% in H2O)

solubility

H2O: 2%, turbid, yellow

application(s)

food and beverages
microbiology

storage temp.

2-25°C

suitability

molds
yeasts

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This Item
70161Y162589526
Yeast Extract for technical purposes (in fermentation)

Millipore

09182

Yeast Extract

Yeast Extract suitable for microbiology

Millipore

70161

Yeast Extract

Yeast Extract for use in microbial growth medium

Sigma-Aldrich

Y1625

Yeast Extract

Yeast Extract micro-agglomerated

Millipore

89526

Yeast Extract

sterility

non-sterile

sterility

non-sterile

sterility

non-sterile

sterility

non-sterile

form

powder

form

powder

form

powder

form

powder

shelf life

limited shelf life, expiry date on the label

shelf life

-

shelf life

-

shelf life

limited shelf life, expiry date on the label

composition

amino-nitrogen, ≤3% , total nitrogen (N), ≥9%

composition

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

composition

-

composition

amino-N, ≥4.5% , nitrogen content, ≥9%

pH

6.5-7.5 (2% in H2O)

pH

7.0±0.2 (2% in H2O)

pH

-

pH

5.8-6.8 (25 °C, 2% in H2O)

General description

Yeast extract is an extract of autolyzed yeast cells. Yeast extract is a mixture of amino acids, peptides, water soluble vitamins and carbohydrates and can be used as additive for culture media. It is a non-animal and low endotoxin peptone suitable for use in fermentations media for cultivation and resuscitation of a large variety of fastidious microorganisms. It is rich in vitamins and other nutritive substances and so, recommended for general laboratory media

Application

Yeast extract is recommended for use in culture media and for the mass 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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