产品说明
一般描述
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
应用
Yeast extract is suitable for use in fermentations media for cultivation and resuscitation of a large variety of fastidious microorganisms.
基本信息
| EC 号 | 232-387-9 |
| MDL编号 | MFCD00132599 |
| eCl@ss | 42040000 |
| NACRES | NA.85 |
产品性质
| 质量水平 | 200 |
| 生物来源 | Saccharomyces cerevisiae |
| 等级 | for technical purposes (in fermentation) |
| 无菌性 | non-sterile |
| 测定 | ≤3% amino-nitrogen basis ≥9% total nitrogen (N) basis |
| 形式 | powder |
| 保质期 | limited shelf life, expiry date on the label |
| 杂质 | ≤16% ash ≤8% non-dissolved |
| 缺失 | ≤8% loss on drying |
| pH值(酸碱度) | 6.5-7.5 (2% in H2O) |
| 溶解性 | H2O: 2%, turbid, yellow |
| application(s) | food and beverages microbiology |
| 适用性 | molds yeasts |
安全信息
| 储存分类代码 | 11 - Combustible Solids |
| WGK | WGK 3 |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
| 个人防护装备 | Eyeshields, Gloves, type N95 (US) |
Sigma-Aldrich
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