摘要
简述了ＰＣＲ的基本原理，并介绍了其在检验转基因食品、鉴定食品原料种类及食品微生物检测等几方面的应用。
The principle of ase Chain Reaction) was summarized in this paper. The application of PCR in food analysis was also discussed including genetically modified organisms test, species identification and microbe detection.
