The Casein Yeast Peptone, catalog no. 39396-500G-F, is meant to be used for research-use only and has a MQ level of 200, meaning that only limited information is available for it and that, as such, it is not meant to be used as a raw material in the manufacturing of edible products. For more information on our M-Clarity program, please visit https://www.sigmaaldrich.com/GB/en/life-science/quality-and-regulatory-management/m-clarity-program.
39396
Casein Yeast Peptone
suitable for microbiology
Synonym(s):
Casein Peptone tryptic digest / Yeast Extract (4:1), Tryptone / Yeast Extract (4:1)
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| Size/SKU | Availability | Price |
|---|---|---|
500 g | Please contact Customer Service for Availability | CZK 3,560.00 |
About This Item
NACRES:
NA.85
UNSPSC Code:
41106212
Quality Segment
biological source
bovine milk, yeast
form
powder
shelf life
limited shelf life, expiry date on the label
composition
amino-nitrogen, ≥2.5-5.0% , total nitrogen (N), ≥12%
packaging
pkg of 500 g
storage condition
(Tightly closed. Dry.)
impurities
≤15% ash
loss
<10% loss on drying
pH
7.2±0.5 (2% in H2O)
solubility
H2O: 2%, clear, yellow
application(s)
food and beverages, microbiology
General description
Casein Yeast Peptone is a common peptone mixture often used in microbiology for the growth of bacteria and fungi. It is a complex mixture that provides a rich source of nutrients necessary for the growth and metabolism of microorganisms.The main components of Casein Yeast Peptone are casein peptone and yeast extract. Casein peptone is a milk protein that is hydrolyzed into smaller peptides, providing a source of amino acids for microbial growth. Yeast extract is derived from the autolysis of yeast cells, and contains a range of nutrients such as vitamins, minerals, and amino acids.
Application
Casein Yeast Peptone creates a nutrient-rich and versatile medium suitable for a wide range of microorganisms. This medium supports the growth of fastidious organisms and is commonly used in microbial culture, isolation, and identification techniques, as well as in the production of enzymes, antibiotics, and various biotechnological processes.
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This Item | |||
|---|---|---|---|
| biological source bovine milk, yeast | biological source bovine milk | biological source bovine milk | biological source bovine milk |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| application(s) food and beverages, microbiology | application(s) food and beverages, microbiology | application(s) food and beverages | application(s) food and beverages |
| pH 7.2±0.5 (2% in H2O) | pH 5.5±1.0 (25 °C, 2% in H2O) | pH 6.0-7.5 (25 °C, 2% in H2O) | pH 6.2-7.2 (25 °C) |
| solubility H2O: 2%, clear, yellow | solubility H2O: 2%, clear, faintly to slightly yellow | solubility H2O: 2%, clear, faintly to slightly yellow | solubility H2O: 2%, clear, faintly yellow to brownish-yellow |
| form powder | form powder | form powder | form powder |
signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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