chitosan
noun [ U ] uk/ˈkaɪ.tə.zæn/ us/ˈkaɪ.t̬ə.zæn/
几丁聚糖，壳聚糖
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)
The bandage is made with chitosan, a blood-clotting agent found in shrimp shells. 这种绷带是用壳聚糖制成的，壳聚糖是一种在虾壳中发现的凝血剂。
Chitosan is used in winemaking, and has also been claimed to reduce fat absorption. 几丁聚糖用于酿酒，也被声称可以减少脂肪吸收。
- More examples
- 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.