Generally speaking, freezing helps retain the nutrient content of fruits and vegetables. However, some nutrients begin to break down when frozen produce is stored for more than a year ( 2 ). Certain nutrients are also lost during the blanching process. In fact, the greatest loss of nutrients occurs at this time.
Does cooked food lose nutritional value when frozen?
Nutrient Retention The freezing process itself does not destroy nutrients. In meat and poultry products, there is little change in nutrient value during freezer storage.
Do vegetables lose nutrients if frozen?
In general, the differences in nutritional value between fresh and frozen vegetables are so minor that they would unlikely impact your overall health. When shopping for frozen vegetables, keep an eye out for added sugar, salt, and sauces.
How do you cook frozen vegetables without losing nutrients?
If you cook vegetables gently -- and without a great deal of water -- you will help protect the water-soluble vitamins. Filardo recommends blanching your veggies, which is when you quickly cook vegetables in boiling water, and remove them when they're still very crisp, to help preserve the color and nutrients.
Are frozen vegetables more nutritious than fresh?
A 2017 study found that there were no significant differences in vitamin content between frozen and fresh vegetables. Furthermore, when there was a slight difference, it was more likely that the frozen vegetables had a higher concentration of nutrients than their fresh counterparts.
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