carrageenin

例句：

1. 1. The carrageenin in this product is effective against bacteria and viruses.
   这种产品的卡拉甘对细菌和病毒有效。
2. 2. This natural ingredient is often used as a thickening agent in food preparation.
   这种天然成分常被用作食品加工中的增稠剂。
3. 3. Due to its antimicrobial properties, carrageenin is also used in the pharmaceutical industry.
   由于其抗菌特性，卡拉甘也被用于制药行业。