polygalacturonic acid

例句：

1. 1. This polygalacturonic acid is used in the production of artificial tears.
   这种聚半乳糖醛酸用于生产人工泪液。
2. 2. Polygalacturonic acid has been shown to have anti-inflammatory properties.
   聚半乳糖醛酸已被证明具有抗炎性质。
3. 3. The research on polygalacturonic acid has led to new discoveries in drug delivery systems.
   关于聚半乳糖醛酸的研究已经导致了药物输送系统的新发现。