"Rae" > schrieb im Newsbeitrag
...
> Does brown rice have a shelf life? I just opened an unopened box that I've
> had about a year, and there is some webbing stuff in there.
>
> Went to another unopened newer bag, and again, I can see some webby stuff.
<Mod Snip>

It might be maggots. My kitchen had a mild "infestation" of moth maggots one
year and that webby stuff was in loads of my dried food. I threw everything
out.
Maybe your white rice has more preservatives in it than the brown, or is
better sealed...
HTH Kate