Chicken chest cartilage peptide and preparation method and application thereof

The invention belongs to the field of pharmacy, and discloses a chicken chest cartilage peptide and a preparation method and application thereof. The chicken chest cartilage peptide is characterized in that the content of II-type collagen in chicken chest cartilage peptide is greater than or equal to 50%; the content of chondroitin sulfate is greater than or equal to 20%. China is a country with large consumption of livestock and poultry, and the consumption amount almost accounts for one fourth of total livestock and poultry consumption amount in the world; the chicken chest cartilage is oneof main by-products in processing of boiler chicken. The chicken chest cartilage peptide has the advantages that the chicken chest cartilage peptide rich in II-type collagen and chondroitin sulfate isprepared by a biological-control enzyme hydrolysis technique; proofed by experiment, the good anti-inflammation function is realized, and the chicken chest cartilage peptide can be used for preparingmedicines for treating ost