shell polysaccharide

例句：

1. 1.The shell polysaccharide is a natural antibacterial agent.
   壳多糖是一种天然的抗菌剂。
2. 2. The shell polysaccharide has been shown to have anti-inflammatory properties.
   壳多糖已被证明具有抗炎性质。
3. 3. The shell polysaccharide is used in the production of cosmetics and pharmaceuticals.
   壳多糖用于化妆品和制药产品的生产。