Wow, this just goes to show how different we all are. I don't have any problems with most of the foods and juices mentioned. My doctors have said all along they do not know what causes UC, so go ahead and eat whatever you wish. If there is a problem with certain foods, don't eat them. Thus far, and I have had UC for 12 years, I have not found a cause and effect for foods and flares. ( thank goodness, having this blasted disease is bad enough. . . . )