In this paper, the safety of GM food was introduced,the DNA degradation (especially transferred exogenous genes) during the processing of transgenic crops into food products was reviewed,and the future study was put forward.

• 文中阐述了转基因食品的安全性问题,评述了转基因食品DNA在加工过程中变化规律的研究进展,并提出了转基因食品内外源基因在加工过程中降解变化研究思路。