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Chitin oligosaccharide

Chitin oligosaccharide is produced by hydrolysis of chitin that has been refined from crab and shrimp shells. Structurally, it is an oligosaccharide that takes the form of several N-acetylglucosamine molecules linked together, and for this reason it is also known as oligo-N-acetylglucosamine".
Chitin oligosaccharide is a milky white powder with about one-third the sweetness of sucrose.

It is recognized as having many biological functions, and its diverse properties make it useful in a wide range of applications. Examples of its properties and uses include

(1) low digestibility
     (useful for slimming diets, controlling intestinal function);
(2) promotion of Bifidus proliferation
     (good for controlling intestinal function);
(3) property of increasing hyaluronic acid
     (useful for beauty applications); and
(4) immunity-boosting action
     (useful for preventing colds and cancer).