Yeast Extract
SIAL/09182 - for technical purposes (in fermentation)
Synonym: YE, Baker’s yeast extract
CAS Number: 8013-01-2
EC Number: 232-387-9
MDL Number: MFCD00132599
Product Type: Chemical
Suitable for use in fermentations media for cultivation and resuscitation of a large variety of fastidious microorganisms
| application(s) | food and beverages microbiology |
| assay | ≤3% amino-nitrogen basis |
| ≥9% total nitrogen (N) basis | |
| biological source | Saccharomyces cerevisiae |
| form | powder |
| grade | for technical purposes (in fermentation) |
| impurities | ≤16% ash |
| ≤8% non-dissolved | |
| loss | ≤8% loss on drying |
| pH | 6.5-7.5 (2% in H2O) |
| Quality Level | 100  |
| 200 |
|
| shelf life | limited shelf life, expiry date on the label |
| solubility | H2O: 2%, turbid, yellow |
| sterility | non-sterile |
| storage temp. | 2-25°C |
| suitability | molds |
| yeasts |
| 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. |
| 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 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≤3% amino-nitrogen basis; ≥9% total nitrogen (N) basis |
| Storage Temp. | 2-25°C |
| UNSPSC | 41106212 |