A new book 'deconstructs' a Twinkie and analyzes all 39 ingredients. Industrial-strength junk food, anyone?
Even so, it can be unsettling to learn just how closely the basic ingredients in processed foods resemble industrial materials. Corn dextrin, a common thickener, is also the glue on postage stamps and envelopes. Ferrous sulfate, the iron supplement in enriched flour and vitamin pills, is used as a disinfectant and weedkiller. Is this cause for concern? Ettlinger says no, though you wouldn't want a diet that consists solely of Twinkies. Ultimately, all food, natural and otherwise, is composed of chemical compounds—and normal ingredients like salt have industrial applications, too. Still, it gives you pause when he describes calcium sulfate, a dough conditioner, as "food-grade plaster of Paris."