oak extract

例句：

1. 1.The oak extract is a popular ingredient in many skincare products.
   橡木提取物是许多护肤品中受欢迎的成分。
2. 2. The oak extract has been shown to have anti-inflammatory properties.
   橡木提取物已被证明具有抗炎性质。
3. 3. The oak extract was used as a natural preservative for food packaging.
   橡木提取物被用作食品包装的自然防腐剂。