Several studies, some conducted by INRA compared fresh vegetables, canned and frozen. They claim to quasi-equivalent intakes of vitamins and other nutrients. Enough to justify the recommendation of the National Health Nutrition Program to “consume 5 fruits and vegetables per day in all its forms.”
The consumption of vegetables is essential because of their wealth in protective nutrients: vitamin C and B9, beta-carotene, polyphenols (antioxidants), fiber, potassium, calcium, magnesium and other minerals.
