DESCRIPTION:

Combined with peptones of different origins, Bacteriological Meat Extract is an excellent nutritional complement destined for the preparation of a variety of culture media. It is normally used in the concentration range of 0.2 to 1.0%.

TYPICAL ANALYSIS

Physical characteristics :

- Appearance, color ..................................................................................................... light brown powder

- Solubility in water at 5 % ...................................................................................................................total

- pH of an aqueous solution at 5 % ............................................................................................. 7,0 ± 0,5

- Stability at pH 7,0 after autoclaving for 15 minutes at 121 °C........................................................stable

Chemical characteristics :

- Total Nitrogen...................................................................................................................... 12,0 ± 1,0 %

- α-amino Nitrogen................................................................................................................... 4,0 ± 1,0 %

- Creatinine ....................................................................................................................................... 2,5 %

- Indole..........................................................................................................................................absence

- Nitrates .......................................................................................................................................absence

- Nitrites ........................................................................................................................................absence

- Chlorides (expressed as NaCl) ............................................................................................. 1,5 ± 0,5 %

- Calcium........................................................................................................................................... 0,1 %

- Iron ............................................................................................................................................. 0,007 %

- Sulfuric ash....................................................................................................................less than 17,0 %

- Loss on drying ..............................................................................................................less than à 6,0 %

Total amino acids (expressed in g per 100 g if product) :

- Aspartic acid....................................................................................................................................... 8,2

- Threonine ........................................................................................................................................... 3,0

- Serine ................................................................................................................................................. 2,9

- Glutamic acid...................................................................................................................................... 9,5

- Proline ................................................................................................................................................ 4,1

- Glycine................................................................................................................................................ 7,2

- Alanine................................................................................................................................................ 5,3

- Valine.................................................................................................................................................. 4,9

-Cystine..................................................................................................................................not assayed

- Methionine.......................................................................................................................................... 0,7

- Isoleucine ........................................................................................................................................... 3,0

- Leucine ............................................................................................................................................... 6,0

- Tyrosine.............................................................................................................................................. 1,2

- Phenylalanine..................................................................................................................................... 3,7

- Lysine ................................................................................................................................................. 6,5

- Histidine.............................................................................................................................................. 1,9

- Arginine .............................................................................................................................................. 3,7

- Tryptophan ......................................................................................................................................... 0,4

PACKAGING

Dehydrated medium : 

A1710HA - 500 g bottle.

NUTRITIVE SUPPLEMENT (PEPTONE) FOR MICROBIOLOGY