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92144

Millipore

Yeast Extract

suitable for microbiology

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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

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.

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Alok Patel et al.
Marine drugs, 17(2) (2019-02-20)
Polyunsaturated fatty acids (PUFAs) are essential for human function, however they have to be provided through the diet. As their production from fish oil is environmentally unsustainable, there is demand for new sources of PUFAs. The aim of the present
Samriddha Ray et al.
The Journal of cell biology, 190(5), 793-805 (2010-09-02)
The mechanisms that regulate cytoskeletal remodeling during the transition between mitosis and interphase are poorly understood. In fission yeast the MOR pathway promotes actin polarization to cell tips in interphase, whereas the SIN signaling pathway drives actomyosin ring assembly and
Sara Hooshangi et al.
PLoS computational biology, 7(9), e1002172-e1002172 (2011-10-08)
Quorum sensing (QS) enables bacterial multicellularity and selective advantage for communicating populations. While genetic "switching" phenomena are a common feature, their mechanistic underpinnings have remained elusive. The interplay between circuit components and their regulation are intertwined and embedded. Observable phenotypes
Lisa M Røst et al.
Metabolites, 10(2) (2020-02-26)
Absolute quantification of intracellular metabolite pools is a prerequisite for modeling and in-depth biological interpretation of metabolomics data. It is the final step of an elaborate metabolomics workflow, with challenges associated with all steps-from sampling to quantifying the physicochemically diverse

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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