Beginning of Essay
George E. Inglett of the U.S. Department of Agriculture's Biopolymer Research Unit in Peoria III invented a no-calorie fat substitute called Z-Trim. It is a mix of crushed fibers made from the hulls of grains. It can replace the fat and some of the carbohydrates ....

Middle of Essay
.... and take vitamins and carotenoids out of the body. The new substitute does not have those affects. Inglett says that you should eat more of the kind of fibers that make up Z-Trim to reduce the chances of getting intestinal disorders. But there are some people who argue with Inglett's theory on his new substitute. "I wouldn't expect Z-Trim to have the same kinds of problems as olestra," says Margo Wootan, a senior scientist at the Center for Science in the Public Interest in Washington, D.C. "Fiber is already found in our diet, while olestra is a synthetic chemical. There is also concern for the "microbial stability" of foods containing Z- ....