Droopy wrote:
> no, ascorbic is a reducing agent. It can function a lot like
> metabisulfite, but it is weaker.
>
> I guess people might want to use it if they are sulfite sensitive.
>

Nevertheless, see the Wikipaedia entry for Vitamin C, where it is
described as an anti-oxidant.
http://en.wikipedia.org/wiki/Vitamin_C