Are Technological Processes the Best Friends of Food Health Potential?

In nutrition science, notably in epidemiological studies, foods are generally ranked in food groups such as fruits, vegetables, legumes, cereals, meat, poultry, dairy, etc. And nutritional recommendations follow this ranking. For example, in France, the well-known “5 fruits and vegetables a day” is based on food groups. Food pyramids are also based on food groups. Such a classification seems at first view logical because food groups gather foods of common origin, either botanical- or animalbased