Complex sentence: Commercial manufacture of edible polydextrose originated with a process developed by Hans H. Rennhard of Pfizer, Inc. Rennhard began investigating the potential of polysaccharides as low-calorie replacements for sugar, fat, flour, and starch.
Split into simpler sentences: Commercial manufacture of edible polydextrose originated with a process developed by Hans H. Rennhard. Dr. Hans Rennhard of Pfizer, Inc. began investigating the potential of polysaccharides as low-calorie replacements for sugar, fat, flour, and starch.