0 a chemical substance taken from the shells of sea creatures, that has various uses in industry, farming, and medicine, for example in medical dressings (= coverings for injured skin):
Scientists say that chitosan, a chemical compound in crab and shrimp cells, can fend off microbes seeking to colonise wound dressings, catheters and other implantable devices.
Mushrooms contain chitosan, a very interesting polymer because it's eatable and it absorbs fat.
The fashion designer says he lost over a stone through sensible eating and taking chitosan, a dietary supplement.
The natural-occurring biopolymer known as chitosan is being put forward as an effective alternative to growth-promoting antibiotics in the diet of ruminants.
The bandage sticks to the wound because chitosan is a bio-adhesive, particularly in the presence of blood.
