论文部分内容阅读
随着生产的不断发展,人们对食品的要求,逐渐由数量的满足趋向于品质的提高。硝酸盐是构成强致癌物亚硝胺的物质基础,在一定条件下也能生成亚硝酸盐,而使人畜直接中毒。蔬菜是主要副食品,据报道,人体摄入的硝酸盐70～80%来自于蔬菜。因此,蔬菜中硝酸盐的含量,越来越为人们所关注。我们在上海县华漕蔬菜收购站,华漕、
With the continuous development of production, people’s demand for food gradually tends to be improved in quality from quantity satisfaction. Nitrate is the material basis for the strong carcinogen nitrosamines, nitrite can also be generated under certain conditions, leaving people and livestock directly poisoning. Vegetables are the main non-staple food. It is reported that 70-80% of the nitrate ingested by the human body comes from vegetables. Therefore, the vegetable nitrate content, more and more people’s attention. We are in Shanghai Huacao vegetable purchasing station, Huacao,