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Nano- and Micro-Technologies Applied to Food Nutritional Ingredients.

New technologies are currently investigated with the aim to improve the quality of foods by enhancing their nutritional value, freshness, safety and shelf-life, as well as by improving their tastes, flavours and textures. Moreover, new technological approaches are being explored, in this field, to address nutritional and metabolism-related diseases (i.e., obesity, diabetes, cardiovascular diseases), to improve targeted nutrition, in particular for specific lifestyles and elderly population, and to maintain sustainability of food production. A number of new processes and materials, derived from micro- and nano-technology, have been used to provide answers to many of these needs, and offer the possibility to control and manipulate properties of foods and their ingredient sat molecular level. The present review focuses on the importance of micro- and nano-technology in the food and nutritional sector and, in particular, provides an overview of the micro- and nano-materials used for the administration of nutritional constituents essential to maintain and improve health, as well as to prevent the development and complications of diseases.