Peptone is made of animal bone and skin, it is milky white or light yellow powder, with delicious flavor, its fineness is 70-80 mesh, its protein assay is 30% more than the best fish powder. According to our inspection, it contains 18 kinds of amino acids, thus it can be used as the material of germ culture medium, or used in medicine, ferment industry,hygiene and disease control, clinic bacterial examination, national defence and microbiology. It is the best material of feed industry for excellent stability and good absorptivity All of the technical indexes of our products can meet the company's standards with the advantages of high nitrogen content, medium phosphor content, low ash and water content, as well as high titer etc. Properties: cream white powdery or light yellow powder Chemical property:It is the mixture of polypeptide, dipeptide and amino acid, is made of collagen by hydrolytic degradation method. It has the properties of protein. Physicochemical indices: 1. Appearance: cream white powdery or light yellow powder 2. Protein: ≥ 90% 3. Moisture≤ 5% 4. Ash≤ 5% 5. P≤ 0.2% 6. Chloride≤ 5% 7.PH : 5-7