Yeast Extract | premium grade | 250g
- Product Code: GMNB-YE100
- Availability: In Stock
Yeast Extract, Premium Grade
This yeast extract is a fresh cellular component extracted from brewer's yeast cells after autolysis, pasteurization, concentration and vacuum powdering processes. The extract is fully enzymatically digested and without prolonged heat treatment, it has a premium protein nitrogen content in the form of free amino acids and balanced nutrients (>5% compared to about 4% in ordinary yeast extracts). Suitable as a nutrition source for refined cell cultures.
Properties
Total nitrogen (N) basis ≥ 10.0%
Amino-nitrogen basis ≥ 5.0%
Residue on ignition ≤15.0%
Loss on drying ≤6.0%
Sodium chloride ≤2.0%
pH (2% in H2O) 5.3~7.2
Heavy metal content
Lead <1.9mg/kg
Arsenic <2mg/kg
Microbiological indicators
Total number of bacterial colonies <10kCFU/g
Escherichia coli 0.3MPN/g
Salmonella enterica Not detected
Staphylococcus aureus Not detected
Form
Powder, yellow to light yellow
Solubility
H2O: 2%, clear, yellow
From May 2023, GMExpression no longer sells Regular Yeast Extract, which has been replaced by Yeast Extract premium grade at the same price. Please contact our customer service if you have any special requirements for regular yeast extract (industrial bulk still available).
