Canned peaches can pack as many, or in some cases, more nutrients than fresh ones, research suggests. But be sure to skip the added syrup. Matthew Staver/Bloomberg via Getty Images hide caption toggle caption Matthew Staver/Bloomberg via Getty Images The Salt Canned Peaches Are As Nutritious As Fresh. Really? May 23, 2013 What's more, when it comes to some nutrients, like vitamin C, canned peaches pack an even bigger punch than fresh, researchers say. The reasons have to do with how the canning process alters the fruit's cell walls. So eat 'em up!