TIL that Hershey's chocolate is flavored with sour-tasting butyric acid, which also gives vomit its aroma. This is why people unaccustomed to American chocolate sometimes compare it to vomit.

submitted by ElagabalusRex to todayilearned [link] [660 comments]

from reddit: the front page of the internet http://ift.tt/1yY8DNR