capsaicin

例句：

1. 1. The spicy food is a popular choice for many people.
   辛辣的食物是许多人的热门选择。
2. 2. The chef used capsaicin to add a unique flavor to the dish.
   厨师使用辣椒素给这道菜添加了独特的风味。
3. 3.Capsaicin has been shown to have anti-inflammatory properties.
   研究表明，辣椒素具有抗炎特性。