<<Disclaimer: Verify this information before applying it to your situation.>>
Don Kasarda wrote: "To the best of my knowledge as a chemist, there is
not any evidence that white vinegar, or any vinegar for that
matter--with the possible exception
of barley malt vinegar--contains gluten."
<snip>
I wish my intestines would read those chemistry manuals! White distilled
vinegar- even in very small quantities makes me sick with a definite
Celiac reaction.
YMMV- your mileage may vary.
Fran/Oregon