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Company: Microwave keeps bread mold at bay



Published: Wed, January 9, 2013 @ 12:00 a.m.

Associated Press

LUBBOCK, Texas

Attention, bread shoppers: A Texas company could have the answer to some consumers’ unwelcome discovery that just-purchased loaves contain mold.

MicroZap Inc. claims its technology allows bread to stay mold-free for 60 days. The bread is bombarded with microwaves for about 10 seconds, which kills the mold spores, said chief executive officer Don Stull said.

The process could cut bakers’ needs for preservatives and ingredients used to mask preservatives’ flavor and reduce food waste and increase bread’s shelf life, he said.

Researchers at Texas Tech University see using the technology in developing countries, where there are fewer food-safety standards and spoilage is a problem.

“It could help us provide an abundant food source for those in need,” said Mindy Brashear, director of the Lubbock university’s Center for Food Industry Excellence. The prospect of helping people in developing countries is what motivated the microbiology professor to help develop the technology over the last eight years.

After 60 days, researchers found the treated bread that remained packaged had the same mold content when compared with a freshly baked loaf, Stull said. In the end, though, he knows it comes down to consumers’ palates.

“The consumers saw no discernible quality difference in the breads,” Stull said of testers who found the treated bread’s taste and texture unchanged.

An Associated Press reporter found the same. Though slightly warm from the microwaves, a piece of whole-grain white bread was soft and tasted like one that hadn’t been zapped. Sixty-day-old bread was not available to taste.

Estimates from the Natural Resources Defense Council this year indicated that in 2008, in-store food losses in the U.S. totaled an estimated 43 billion pounds — 10 percent of all foods supplied to retail outlets — most of which are perishables.

Unrefrigerated bread in plastic packaging will succumb to mold in about 10 days, so keeping it at bay for 60 days is a fresh proposition.


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