Peptone

Description

Peptone, a protein decomposition product, is made by an incomplete hydrolysis process of the protein originating from beef, casein, milk powder, gelatin, soy protein, silk protein, fibrin, etc. The commercially available products are mainly light yellow to brown yellow powder. Its molecular weight is between proteose and peptide (about 2000Da). Proteins can also form peptones after being hydrolyzed by acids, alkalis or proteases. Different sources of protein and different hydrolysis conditions would make the composition of hydrolysate vary widely, so peptone is often a complex mixture of peptides. In addition to amino acids, peptone also includes many other components so that it can provide carbon sources, nitrogen sources, growth factors and other nutrients for biological cultivation and fermentation.

Uses

Peptone is used in nutrient media for growing bacteria and fungiMeat Peptone is used for routine and mass scale cultivation of organisms, which is utilized for the production of antibiotics, enzymes and vitamin production. It is also useful for the cultivation of a variety of microorganisms. Further, it is used in culture media, industry fermentation and the pharmaceutical industry.

Uses

Useful in media when undissolved solids are acceptable

Definition

The complex combination of various amino acids joined by peptide linkages obtained by the hydrolysis of animal tissue proteins.

General Description

Peptone is a vital ingredient of the culture medium, which is produced by the digestion of lean meat with proteolytic enzymes. It is a complex mixture of partially metabolised proteins. Peptone is a source of nutrition for bacterial growth.