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Merck
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Key Documents

70161

Millipore

Yeast Extract

suitable for microbiology

Sinónimos:

YE, Baker’s yeast extract

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About This Item

Número de CAS:
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

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
BCCL6983
BCCM0196
BCCK1472
BCCK5995
BCCJ8251

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Paul Vigne et al.
BMC physiology, 10, 8-8 (2010-05-15)
Recent attention has been given to the relationships between diet, longevity, aging and resistance to various forms of stress. Flies do not simply ingest calories. They sense different concentrations of carbohydrate and protein macronutrients and they modify their feeding behavior
Alfredo Perales-Puchalt et al.
Journal of leukocyte biology, 103(5), 799-805 (2018-03-15)
Due to their cytotoxic activities, many anticancer drugs cause extensive damage to the intestinal mucosa and have antibiotic activities. Here, we show that cisplatin induces significant changes in the repertoire of intestinal commensal bacteria that exacerbate mucosal damage. Restoration of
Emilio M Ungerfeld et al.
Microorganisms, 8(6) (2020-05-30)
Ameliorating methane (CH4) emissions from ruminants would have environmental benefits, but it is necessary to redirect metabolic hydrogen ([H]) toward useful sinks to also benefit animal productivity. We hypothesized that inhibiting rumen methanogenesis would increase de novo synthesis of microbial
Myounghoon Moon et al.
Scientific reports, 9(1), 19959-19959 (2019-12-29)
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
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
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Artículos

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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