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.
Glucose is created by breaking down or hydrolyzing the sugar molecules in starch. Corn is the most common source of this starch, and therefore, glucose syrup is also called corn syrup. Potatoes, rice, wheat and barley can also provide starch for the production of glucose syrup.