之所以要改良基因，是为了鼓励农民们采用由同一公司生产的其他产品。
They have been modified to encourage farmers to use other products made by the same companies.
但是也有许多的食物包含有基因工程改良的大豆卵磷脂，玉米糖浆和其他的产品。
But many foods contain genetical ly modified soy lecithin corn syrup and other products.
另外，通过基因改良生产多不饱和脂肪含量低的油料，或采用交酯化反应也可生产低或零反式脂肪酸含量的产品。
Furthermore, low or zero trans fatty acid fat can be obtained by interesterfication reaction or with the raw material of low polyunsaturated acid oilseed by genetically modified technology.
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