The nitrosamine content for all tobacco types can be reduced .

可降低所有类型烟草的亚硝胺含量。

Animal studies found that eating high-protein animal feed can reduce the synthesis of the stomach nitrosamine carcinogens .

动物实验发现，动物食高蛋白饲料可以减少胃内亚硝胺致癌物的合成。

Safe : low salinity index , and safe for plants ; effectively avoiding and reducing excessive nitrate nitrogen and accumulation of nitrosamine and heavy metal in crops ; improving quality and disease ( stress ) resistance for crops .

安全：肥料盐分指数低，对植物安全；有效防止和减少硝态氮超标和亚硝胺及重金属等成分在作物体内积累；提高作物品质和提高作物抗病（逆）性。

The roles , dangers , and chemical and microbiological effect mechanisms on nitrite in curing meat were reviewed in the present paper . The chemistry , content in food and human ingestion of nitrosamine were analysed . Its soucce in food and control stralegies were proposed .

本文综述了亚硝酸盐在肉中的效用、危害及其化学和微生物学机理；食品中亚硝胺的生成、含量及被人体摄入情况；食品中亚硝胺的来源及减少其含量的办法。