Modified Atmosphere Packaging (MAP): A Common Practice One primary ... MAP helps maintain the meat's color and extends its ...

"Some meats are packaged using what is called MAP ... its color, according to the Modified Atmosphere Packaging website. Modified atmosphere packaging can increase the shelf life of red meat ...

Plastic wrap keeps air inside the packaging, making the meat's color look vibrant. "Vacuum skin packaging helps food retain freshness, while it often makes the food look darker in color," said ...