1. Lichenin is a type of polysaccharide found in lichens.
地衣多糖是存在于地衣中的一种多糖。

2. Lichenin can be used as a thickening agent in food products.
地衣多糖可以作为食品中的增稠剂使用。

3. Some studies suggest that lichenin may have potential health benefits.
一些研究表明，地衣多糖可能具有潜在的健康益处。