I eat mustard all the time - yellow, brown, all kinds. It has never bothered me.
Funny, I have a whole lot of diverticulosis along with my UC, but I've never had a problem with seeds.
Ulcerative colitis forum co-moderator
Moderate to severe left-sided UC diagnosed 2001. Flared for 5 years, finally in remission with Remicade since March 2006. Colazal, Remicade, Nature's Way Primadophilus Reuteri.
Avascular necrosis in both shoulders is my "forever" gift from steroids.
Chronic joint/connective tissue/muscle pain; TKR 05/09
"My life is an ongoing medical adventure"