how do I tell, if a package of bulgar is still fresh enough to eat, does it look off?

[golfyveggy]

I am new to using bulgar, had some stored, frozen, I just thawed it, wonder if I let it sit too long in the frig before I used it, how do I tell if it is still edible,??
Thank you,

[KarenB]

6 months.
I have bookmarked this website I found. Very good info.

http://www.ag.ndsu.edu/pubs/yf/foods/fn579-1.htm