Fresh and frozen fruits and vegetables are processed and stored differently. This article compares the differences in nutrient content. However, what happens after that varies between fresh and frozen produce. Peas no big difference nutritionally between fresh and frozen. Frozen fruit and vegetables often don't look the part once defrosted, and you. The differences in nutrient levels between fresh and frozen are so minor that they would be unlikely to have an impact on overall health. Is the nutritional value of frozen blueberries (and other fruits and vegetables, for that.