Pink slime–that ammonia-treated meat in a bright Pepto-bismol shade–may have been rejected by fast food joints like McDonald’s, Taco Bell and Burger King, but is being brought in by the tons for the nation’s school lunch program, the Huffington Post reports. The U.S. Department of Agriculture is purchasing 7 million pounds of the “slime” for school lunches, The Daily reports. Officially termed “Lean Beef Trimmings,” the product is a ground-up combination of beef scraps, cow connective tissues and other beef trimmings that are treated with ammonium hydroxide to kill pathogens like salmonella and E. coli. It’s then blended into traditional meat products like ground beef and hamburger patties.
“We originally called it soylent pink,” microbiologist Carl Custer, who worked at the Food Safety Inspection Service for 35 years, told The Daily. “We looked at the product and we objected to it because it used connective tissues instead of muscle. It was simply not nutritionally equivalent [to ground beef]. My main objection was that it was not meat.”
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