comment: >
  
  It's called simulacrum, when a fabrication is designed to simulate something natural/real but fails. Even though it fails the simulacrum becomes the more popular version, so when people think of like grape soda, they're not thinking about the grape flavor from grapes at the store, but that sweet and sour purple flavor they've grown accustomed to even though it tastes nothing like what it's meant to simulate.
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  I have had some concord grape drinks that definitely taste like grapes, but I get what you're saying. >
  
  Artificial grape flavor is a chemical called Methyl Anthranilate and is also found naturally in Concord Grapes (Virus Labrusca).  Fun fact: the "Cotton Candy TM" grape is a hybrid of Thompson and Concord Grapes and also contains Methyl Anthranilate. >
  
  Can someone please re-create purple flurp from Jimmy neutron >
  
  No, you just haven't tried Concord grapes. That's what the grape candies and drinks taste like, not the red or green table grapes most people are used to. 
  But if you've tried the actual grape variety it's trying to mimic, I'd say grape flavor tastes more like the actual fruit than pretty much all the other "fruit" flavors.
  (The person describing simulacrum is only kind of right - that is a thing, but that's not what's happening here. There's a type of grape that does taste just like the grape drinks, people just don't know about it.)