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70161

Millipore

Yeast Extract

suitable for microbiology

Synonym(s):

YE, Baker’s yeast extract

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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.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.

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

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL6983
BCCM0196
BCCK1472
BCCK5995
BCCJ8251

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Sugar refinery washing water (SRWW) contains abundant levels of carbon sources and lower levels of contaminants than other types of wastewater, which makes it ideal for heterotrophic cultivation of microalgae. Here, carbon sources in SRWW were utilized for conversion into
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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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