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Oxygen-Replacement Packaging Found To Preserve Healthy Compounds In Fresh Carrots

March 23, 2011: 07:04 PM EST
The healthy bioactive compounds in vegetables, including the polyacetylenes found in carrots, can be negatively affected as they move through the food chain, resulting in less nutritious food. Polyacetylenes have been shown in studies to have anti-inflammatory, anti-fungal, anti-viral, anti-bacterial and anti-cancer benefits. Preserving those compounds from farm to consumer is a challenge, however. Researchers in Ireland found that the use of an oxygen-replacement technology called “modified atmosphere packaging” (MAP), commonly used in the food industry to improve shelf life, is effective in preserving the freshness of carrots. The scientists tested different combinations of oxygen, nitrogen and carbon dioxide and found that they all helped the carrots retain polyactylenes when stored at 4°C for six days in breathable packaging films.
Juan Valverde, "Bioactives in minimally processed carrots", TeaGASC, March 23, 2011, © TeaGASC
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