Chitosan Oligosaccharide

Chitosan Oligosaccharide in Agriculture: Mechanisms, Benefits, and Applications

Chitosan oligosaccharide (COS) is a low-molecular-weight biopolymer derived from the deacetylation and hydrolysis of chitin—abundantly found in the exoskeletons of crustaceans such as shrimp and crabs. Compared to regular chitosan, COS has higher water solubility, better bioavailability, and stronger biological activity, making it more suitable for agricultural applications. In recent years, COS has gained increasing …

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