I wondered if you had considered going Gluten free for a month, just to see what happens? I have had problems with a bloated extended stomach and wind, and I am now into week three of a Gluten free diet, the gas is better and my stomach seems better, and my acid reflux seems better too, it might be worth giving it a shot, just so you can rule it out.
Samantha, 45 yrs
Diagnosed. Left sided UC, 8th Feb 2014
2 x Ultimate Flora 50 billion probotics, Vit D, and Multi vitamin tab daily.
Stopped smoking Jan 2013.