Lactalbumin Hydrolysate is a pancreatic digest of lactalbumin recommended for use in culture media for tissue culture, production of lactobacilli, virus, vaccines, fermentations and special diets. Additional uses include preparation of baculovirus medium and as an agar overlay for protein expression.
Typical Amino Acid Analysis:
Alanine: 3.0%
Aspartic Acid: 2.3%
Cystine: 2.8%
Glycine: 1.4%
Glutamic Acid: 16.3%
Histidine: 1.4%
Isoleucine: 4.6%
Lysine: 6.6%
Methionine: 1.7%
Phenylalanine: 2.8
Proline: 6.6%
Serine: 3.7%
Threonine: 3.8%
Tryptophan: 0.9%
Tyrosine: 0.9%
Valine: 4.8%
Appearance:
White to tan fine powder
pH (6%): 7.2 + 0.5
Ash: (same/less than) 7.0%
Moisture: (same/less than) 6.5%
Amino Nitrogen: 4.5-6.5%
Total Nitrogen: 11-13%
Microbiological Analysis:
Coliform: Negative
Salmonella: Negative
Standard Plate Count: (same/less than) 5000 cfu/g
Yeast and Mold: (same/less than) 100 cfu/g
E-coli: Negative
Directions:
To prepare a 25X stock solution, dissolve 41.25g lactalbumin hydrolysate in 500ml ddH2O, dispense into 50ml aliquots and autoclave.
Storage and Stability:
Store powder at RT. Store stock concentrate at 4 degrees C. Aliquots are stable for 12 months.