One class of protein created by the partial hydrolysis of natural collagen is gelatin. Two varieties of gelatin type A (acid hydrolysis) and type B (alkaline hydrolysis) can be produced depending on the method. Because of the peculiar chemical and physical properties of Gelatin Market, it has been used as a drug carrier agent. In addition, matrix metalloproteinases can use gelatin as a biocompatible and non-immunogenic substrate (MMPs). Some of the documented gelatin derivatives with several pharmacological applications include chitosan conjugated gelatin, poly(DL-lactide)-grafted gelatin, PEG-modified gelatin, and thiolated derivatives of gelatin.

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