WASHINGTON (AP) -- Cancer-fighting pink pineapples, heart-healthy purple tomatoes and less fatty vegetable oils may someday be on grocery shelves alongside more traditional products.

These genetically engineered foods could receive government approval in the coming years, following the OK recently given to apples that don't brown and potatoes that don't bruise.

The companies and scientists that have created these foods are hoping that customers will be attracted to the health benefits and convenience and overlook any concerns about genetic engineering.

"I think once people see more of the benefits they will become more accepting of the technology," says Michael Firko, who oversees the Agriculture Department's regulation of genetically modified organisms, or GMOs. more...