according to the article, the chemical happens in digestion in e

but not everyone smells it.
"But only about one-quarter of the population appears to have the special gene that allows them to smell those compounds. So the issue isn't whether or not your pee is smelly; it's whether you're able to smell it. If you smell a funny fragrance in your urine after you eat asparagus, you're not only normal, you have a good nose."

所有跟帖： 

• 是的，据说大多数人闻不见。不过我家人都能闻见。 -viewfinder- ♀ (0 bytes) () 08/21/2013 postreply 13:16:40

• 吃得苦中苦，方为人上人。值~~ -满地找牙- ♂ (0 bytes) () 08/21/2013 postreply 13:38:38

• 味觉跟是不是嘴馋关系很大。。。 -viewfinder- ♀ (0 bytes) () 08/22/2013 postreply 05:25:47

• 我要求也不高。只要食材新鲜，不过分油腻，就OK了。 -viewfinder- ♀ (0 bytes) () 08/22/2013 postreply 12:36:41