68759
Yeast Peptone 4 (powder)
suitable for microbiology, pH 6.3-7.3
Synonym(s):
Peptone from yeast No. 4, Peptone from yeast No. 4, Saccharomyces cerevisiae, ext.
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About This Item
UNSPSC Code:
41106212
NACRES:
NA.74
Recommended Products
biological source
Saccharomyces cerevisiae
Quality Level
form
powder
shelf life
61 mo.
packaging
pkg of 500 g
storage condition
dry media (Tightly closed)
pH
6.3-7.3
solubility
water: soluble at 20 °C
application(s)
microbiology
components
(Total nitrogen ≥9.5Amino-N ≥2.3)
storage temp.
2-30°C
General description
Yeast peptones serve as a complex nitrogen source and contain growth factors such as active peptides, amino acids, vitamins, sulfur compounds, and nucleotides. They are a source of phosphorus, which is essential for energy storage and distribution within the cell. They also contain minerals and trace elements, for example, zinc, iron, potassium, sodium, calcium, and magnesium, that activate metabolic reactions. As yeast-based nutrients (YBN), yeast peptones do not contain animal-derived material and are thus free of human and animal pathogens. They are also free from GMO material and allergens and have a lower CO2 footprint than peptones of animal origin.
Application
Yeast Peptone 4 (powder) is suitable for making complex culture media for industrial fermentations (e.g., probiotics production), microbiology applications, and cell cultures. It is used during microbiological QC, especially for environmental monitoring and aseptic process simulations (media fill trials).
Features and Benefits
Advantages of yeast peptones over animal and plant-derived peptones:
- No animal-derived material
- Free of animal and human pathogens
- Free of allergens, pesticides, and GMO material
- No ethical or HALAL issues
- Greater batch consistency
- Greater flexibility thanks to modifiable specifications
- Lower CO2 footprint
- No need for import and export permits
Other Notes
The pH range, total and amino nitrogen content, distribution of peptide sizes, and growth promotion abilities depend on the yeast peptone product selected. The choice of product makes it possible to influence parameters such as microbial growth, biomass, metabolite production, acidity, cell viability, or cell resistance in the downstream process.
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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