jams, jellies, and preserves

[A. Vine]

Lynne Murphy wrote:
>
>
> And then there's conserve, which is 'jam made of fruits stewed in
> sugar', according to AHD.  According to the labels at the supermarket,
> it's 'continental extra jam', 'gently cooked in open pans', and without
> exception 'imported from France'.
>

Perhaps the difference between preserves and conserve (besides French) is pectin
or gelatin, but this is just a guess based on Lynne's listing of label locution.