> > werewolf > wrote:
> >
> >>Mayo is also sold non-refrigerated in the US. But once it's opened it
> >>needs to be refrigerated. I think that mayo might be responsible for
> >>more food poisoning than any other food - that's the impression I get,
> >>anyway.
> >>

Comercial mayo is too acidic to go bad unrefrigerated. It's the mixtures of
mayo and whatever (tuna, cabbage or the like) that go bad and send you to
the pottie.