A pattern of gas and bloating may be an indication that a tumor is growing, especially if it worsens or is accompanied by bleeding. While the formation of a tumor may not be enough to cause a total obstruction, the increasing pressure placed on the colon walls can cause distress and even cramping in the upper intestinal tract.
The more general term glucose syrup is often used synonymously with corn syrup, since glucose syrup is in the United States most commonly made from corn starch.
Sucrose, glucose and fructose may taste similar in food sources such as fruit, honey and candy but are actually quite different. Sucrose and high-fructose corn syrup are major sources of fructose and glucose added to foods. Sucrose -- table sugar -- is equal parts fructose and glucose.