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Ask Tufts Experts June 2007 Issue

Q: Which is “fresher”— vegetables canned soon after harvesting, frozen or so-called “fresh” as pawed over by the public or in plastic?

Answer :  There’s no real scientific measure of “freshness,” but if you mean vegetables that are closest in nutrient content to freshly picked vegetables, the best bet is probably frozen produce. Alice H. Lichtenstein, DSc, Stanley N. Gershoff professor of nutrition science and policy at Tufts’ Friedman School, says, “For the most part, frozen vegetables are processed close to the point of harvesting, and, unless thawed and refrozen prior to sale, should retain most of their…

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