chitosan

[kahy-tuh-san]
noun Chemistry.
a derivative of chitin, used in waste-water treatment.

Origin:
1890–95; chit(in) + -ose2 + -an, special use of -an

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Chitosan, a dietary fiber from shellfish, prevents a small amount of fat from being absorbed in the intestine.
In sunlight, chitosan breaks into two chains and generates free radicals.
Finally, they deposit a layer of the biocompatible polymer chitosan on top of the platelets.
Here an emulsion of tuna oil is stabilized with a fiber called chitosan and imaged using confocal microscopy.
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