Natural preservatives on the rise

(American Chemical Society) Beginning this year, Oscar Mayer stopped adding artificial preservatives to their hot dogs. Taking their place is celery juice, a natural source of the preservative sodium nitrite. This week Chemical & Engineering News (C&EN), the newsmagazine of the American Chemical Society, examines the trend toward 'clean labels' and natural preservatives, and the efforts to incorporate them without sacrificing the quality or shelf-life consumers have come to expect.