Yeast Extract is the dehydrated water-soluble fraction of autolyzed Saccharmomyces cerevisiae
Yeast Extract is the dehydrated water-soluble fraction of autolyzed Saccharmomyces cerevisiae. It is widely used as a supplement for microbiological culture media, as it is rich in vitamins, amino acids and other growth factors and as such serves as an excellent nutrient.
Quantity: 500g
Appearance: Clear beige powder.
Storage: 2ºC – 25ºC. When not in use, keep container closed to avoid hydration.
Typical composition of amino acids (g/100g)
Alanine: 8.70
Arginine: 5.00
Aspartic Acid: 9.70
Cystine: 0.80
Glutamic acid: 16.10
Glycine: 4.90
Histidine: 2.00
Isoleucine: 5.60
Leucine: 7.60
Lysine: 8.00
Methionine: 1.30
Phenylalanine: 3.80
Proline: 4.00
Serine: 4.70
Threonine: 4.40
Tryptophan: 1.20
Tyrosine: 2.30
Valine: 5.80
Chemical Characteristics:
Amino Nitrogen: min 4.5%
Total Nitrogen: min 10%
Loss on drying: typical: max 6%
Ash content: typical: max 16%
Chlorides (e.g. NaCl): max 0.5%
pH (2%) typical: 6.8±0.2
Microbiological Characteristics:
Growth Supporting: Satisfactory
Standard plate count: <5000 cfu/g
Yeasts: <50cfu/g
Molds: < 50cfu/g
Total coliforms: <5 cfu/g
E.coli: Negative
| GCM24.0500 | Yeast Extract | 500g |
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