sorbic acid

例句：

1. 1. The chemical was used to treat skin conditions.
   这种化学物质被用来治疗皮肤病。
2. 2.Sorbic acid is a common ingredient in many cosmetic products.
   顺丁烯二酸是许多化妆品的常见成分。
3. 3.The sorbic acid helps to prevent the growth of bacteria on the surface of the food.
   顺丁烯二酸有助于防止食物表面的细菌生长。