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About This Item
CAS Number:
EC Number:
MDL number:
UNSPSC Code:
41106212
eCl@ss:
42040000
NACRES:
NA.85
biological source
Saccharomyces cerevisiae
Quality Level
sterility
non-sterile
form
powder
shelf life
limited shelf life, expiry date on the label
composition
amino-nitrogen, ≥4.5%
total nitrogen (N), ≥10%
packaging
pkg of 25 kg
pkg of 5 kg
pkg of 500 g
ign. residue
≤15%
loss
≤8% loss on drying
pH
6.5-7.5 (25 °C, 2% in H2O)
solubility
H2O: 2%, clear, light yellow to brownish-yellow
application(s)
food and beverages
microbiology
suitability
molds
yeasts
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General description
Yeast Extract Powder is manufactured from selected strains of Saccharomyces cerevisiae. It is recommended for use in microbial culture media, fermentation and other biological studies. Yeast extract is manufactured under controlled conditions to retain its vitamin content and other nutritive values such as peptides, free amino acids, nucleic acids, minerals, trace elements, and phosphorous compounds. It is rich in vitamins, especially the B complex, and is often used to supply these factors in culture media at a concentration of 0.3 - 0.5%.
Application
Yeast extract is particularly used in media for the cultivation of microorganisms encountered in milk or other dairy products and in the media for the detection and enrichment of pathogens and indicator organisms.
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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