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A comment on MIT’s Non-Stick Coating Keeps Ketchup Flowing. Parent comment

Re:MIT’s Non-Stick Coating Keeps Ketchup Flowing by rohansingh on Tuesday May 22, 2012 @10:19PM (#4011188)
This was posted in the comments section of the article:

>I'm Dave Smith, and I just want to clarify that we make the coating from materials that are not just FDA approved, but that we actually eat on a regular basis in much larger quantities than could possibly be released from the coating.

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Re:MIT’s Non-Stick Coating Keeps Ketchup Flowing by zizee on Wednesday May 23, 2012 @01:44AM (#4011736)
It sort of looks like the bottle has been coated on the inside with oil.

Because of the chemical similarities between oil and plastics, oil really sticks to plastic, creating a hard to remove oily coating on plastic surfaces. You really notice this effect if you have the joy of having to hand wash a plastic mixing bowl that has had oil in it.

I wonder if something similar is going on here? If they are eating this stuff already is the magic ingredient simply an edible oil?

[edit] readability.

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Re:MIT’s Non-Stick Coating Keeps Ketchup Flowing by smackay on Wednesday May 23, 2012 @04:02AM (#4012049)
Just use a little bit of detergent without any water. Scrub then rinse.
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