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09182

Millipore

Yeast Extract

for technical purposes (in fermentation)

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.85

biological source

Saccharomyces cerevisiae

Quality Level

200

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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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 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
BCCL3370
BCCL0188
BCCJ8025
BCCH5944
BCCG1352

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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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