At a time when food safety is a big concern in the United States after the recent salmonella scare with tomatoes, scientists are looking at ultrasound machines as a way to potentially make food safer. According to a news story posted at FreshInfo.com, the United States Department of Agriculture (USDA) is working on a process that combines a traditional washing with an ultrasound. The combination of the two has resulted in significant decreases in E. coli in tests conducted with spinach and could become a new way to help the food industry deliver a safer product to supermarkets around the country.
