Cassava is the main food that counts intertropical area resident, cassava root contains cyaniding dextrose, but prussiate basically is passed contain sulfur the method of amino acid by detoxify.

• 木薯是数亿热带地区居民的主要食物，木薯根含有氰化葡萄糖，但氰化物主要通过含硫氨基酸的路径被解毒。