至於melamine有啥毒性你自己可以查MSDS.
http://www.cfsan.fda.gov/~dms/melamra.html肉類和家禽FDA以前就做研究了
看見中國最近的事件
http://www.washingtonpost.com/wp-dyn/content/article/2008/10/03/AR2008100301258.html他們最近把奶也也加入監視範圍。
“The FDA set 2.5 parts per million as the maximum tolerable amount of melamine that could be safely consumed in other foods.”
三鹿的成人奶粉最高含量達到6mg/1000mg 這當然遠遠超過2.5ppm.