Research progress on the biological function of chitooligosaccharides and its mechanism of action
Chitooligosaccharides(COS)is a low molecular weight polysaccharide hydrolyzed from chitosan;it has attracted wide attention because of its excellent biocompatibility,low toxicity and wide application prospects.Chitooligosaccharides has biological functions such as antioxidation,antibacterial resistence,immunomodulation,promoting cell proliferation and neuroprotection.These functions are closely related to their structural characteristics,molecular weight,and substitutive species.As a natural biopolymer,the application of chitooligosaccharides in food,agriculture,medicine and cosmetics was constantly expanding,showing good market potential.In this paper,the biological functions and mechanisms of chitooligosaccharides were reviewed,and the application prospects of chitooligosaccharides in various fields were discussed,as well as its role in animal production and improvement of animal intestinal microecological environment,and the progress in improving the body's antioxidant and immune capacity,in order to provide theoretical support for its rational application in the antibiotic-free breeding mode.
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