Do cruciferous vegetables improve Crohn's?

Indole-3-carbinol from Wikipedia

"... produced by the breakdown of the glucosinolate glucobrassicin, which can be found at relatively high levels in cruciferous vegetables such as broccoli,cabbage, cauliflower, brussels sprouts, collard greens and kale."

Mechanism of inhibition of colitis by indole-3-carbinol -- Busbee et al. 184 (1001): 96.19 -- The Journal of Immunology
"... the current study suggests that I3C may a serve as a novel treatment modality against colitis."

Is it wise to eat cruciferous vegetables raw with Crohn's?

Does gluathione supplementation improve Crohn's symptoms?

Glutathione from Wikipedia

"Glutathione: The Mother of All Antioxidants" from Huffpost Healthy Living
"In treating chronically ill patients with Functional Medicine for more than 10 years, I have discovered that glutathione deficiency is found in nearly all very ill patients. ...  At first I thought that this was just a coincidental finding, but over the years I have come to realize that our ability to produce and maintain a high level of glutathione is critical to recovery from nearly all chronic illness -- and to preventing disease and maintaining optimal health and performance. The authors of those 76,000 medical articles on glutathione I mentioned earlier have found the same thing!"

"Impairment of intestinal glutathione synthesis in patients with inflammatory bowel disease" in Gut (1998)
"Decreased activity of key enzymes involved in GSH synthesis accompanied by a decreased availability of cyst(e)ine for GSH synthesis contribute to mucosal GSH deficiency in IBD. As the impaired mucosal antioxidative capacity may further promote oxidative damage, GSH deficiency might be a target for therapeutic intervention in IBD. "

ADo polyamines influence Crohn's?

Polyamine from Wikipedia

"Biologically active dietary polyamines" from University of South Bohemia, Faculty of Agriculture (2008)
"High PUT [putrescine] levels, even hundreds mg kg-1, were reported in citrus fruit and juices, ketchup, sauerkraut, fermented soybean products, ripened cheeses and fish sauce. Legumes, cauliflower, broccoli and cultivated mushrooms are foods with high SPD contents of tens mg kg-1. Beef, pork, meat products and legumes contain usually 20-40 mg kg-1 of SPM, the contents in chicken meat and particularly in porcine and chicken offal (liver, kidney, heart) are even higher. Commonly, PAs content range widely within individual food items. "