Natural Antioxidants May Someday Replace Synthetics As Food Preservatives

January 4, 2019: 12:00 AM EST

Consumers increasingly want clean labels: no synthetic-sounding ingredients, only natural alternatives. Now Penn State scientists have discovered that a natural antioxidant found in grain bran could preserve food longer and replace synthetic antioxidants used by the food industry, once the kinks are worked out. The researchers studied compounds called alkylresorcinols (AR), produced by wheat, rye and barley to prevent mold, bacteria and other organisms from growing on the grain kernels. They extracted and purified ARs from rye bran, then studied how well ARs were able to preserve omega-3-rich oils in emulsions. Though not yet as effective as synthetic antioxidants like butylated hydroxytoluene, the researchers say they worked well enough to provide hope for the future.[Image Credit: © $uraj tripathi from Pixabay]

Carolyn Trietsch, "A 'bran' new way to preserve healthy food with natural ingredients", Penn State University, January 04, 2019, © The Pennsylvania State University

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