(AB) Beef Extract 500G

Beef Extract is used in preparing microbiological media. Beef Extract is used to replace infusions of meat, it is usually used in concentrations of 0.3 - 0.5%. Beef Extract's lack of fermentable carbohydrates allows it to be used in fermentation studies. Culture media containing Beef Extract have been recommended for use in bacteriological examination of water, milk, and other materials. (Alpha Biosciences # B02-104-500gm)

Description: Beef Extract is used in preparing microbiological media. Beef Extract is used to replace infusions of meat, it is usually used in concentrations of 0.3 - 0.5%. Beef Extract's lack of fermentable carbohydrates allows it to be used in fermentation studies. Culture media containing Beef Extract have been recommended for use in bacteriological examination of water, milk, and other materials.

Typical Analysis:

Physical Analysis:

• Ash ........................................... 10.2%
• pH, 1% Solution ............................ 6.9
• Moisture ..................................... 2.5%
• Clarity, 1% Solution ...................... 1.7
• Filterability (g/cm²) ....................... 0.6

Carbohydrate:

• Total .......................................... <0.1%

Nitrogen Content:

• Total .......................................... 14.0%
• AN/TN ...................................... 15.7%
• Amino Nitrogen .......................... 2.2%

Biological Testing (CFU/g)

• Coliform ................................ Negative
• Standard Plate Count ............... 700
• Salmonella .......................... Negative
• Thermophile Count ..................... 30
• Spore Count ................................. 500

Storage: Store the sealed bottle containing the dehydrated medium at 2 to 30.0°C. Once opened and recapped, place the container in a low humidity environment at the same storage temperature. Protect it from moisture and light. The dehydrated medium should be discarded if it is not free flowing or if the color has changed from the original beige color.