One of the most important nutritional components of Apples is that they contain two types of fiber; insoluble fiber and soluble fiber. Both the insoluble fiber in apples and their soluble fiber pectin help maintain bowel regularity (thus helping to prevent diverticulosis and colon cancer). The insoluble fiber works like roughage, while the soluble fiber (pectin), helps keep the bowels regular (avoiding constipation, avoiding diarrhea) and specifically affects the makeup of the stool. Pectin will firm up the stools, as it is a soluble fiber. 80gr