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 in foods such as chocolates, brownies, cheese, and ground beef. He spent three years trying to perfect Z-Trim to be smooth because he made it out of tough hulls …showed first 75 words of 381 total…

…showed last 75 words of 381 total…Thomas H. Parliment, a flavor chemist for Kraft Foods in White Plains, New York, 'microbes are to grow, and you can get mold.' That would have to be worked out before Z-Trim could go on the market, Parliment says.         If you want to replace fat in food, Inglett says, only 3 safe no-calorie possibilities exist: water, air, and fiber. 'You don't sell anybody air, you don't sell anybody water, but you can sell people Z-Trim.