Wayne Boatwright wrote on 22 Feb 2006 in rec.food.cooking

> On Wed 22 Feb 2006 09:59:45a, Thus Spake Zarathustra, or was it
> Myraide?
>
> >
> > wrote:
> >> I like real maple syrup on waffles in the AM
> >>
> >> But that stuff is expensive.
> >>
> >> Costco sells a BIG plastic container of real Maple
> >> syrup but living alone it would take time for me to use
> >> it all.
> >>
> >> Bottom line.... will maple syrup keep say a year OK?
> >> If yes should it be at room temp or kept in the fridge?
> >
> > i have kept it in glass bottles for close to a year and it seems to
> > taste fine. but these are glass bottles, don't know about plastic.
> > myraide
>
> My parents used to buy it by the gallon (usually several), divide it
> amongst pint jars and pressure can it. They always said that maple
> syrup could go sour once opened. I dunno.
>

I used to get it in (IIRC) 16 oz cans from a Quebec farm, case at a time.
Once opened after about 6 months you'd get candy forming in the can.
After about a yr open mold could develop.

--
-Alan