vitamin A aldehyde

例句：

1. 1.Vitamin A aldehyde is a compound that is commonly used in food preservation.
   维生素A醛是一种常用于食品保存的化合物。
2. 2. The vitamin A aldehyde content in the food was determined by using gas chromatography.
   通过气相色谱法测定了食物中的维生素A醛含量。
3. 3. The study found that vitamin A aldehyde could be harmful to human health.
   研究发现，维生素A醛对人类健康有害。