Nanotechnology is a science that utilises nano-sized materials, structures and functionalities. The attraction of research in and development of nanotechnology is based on the possibilities offered by the new technology and the good properties of the miniscule nanoparticles.
Nanotechnology is nowadays taken advantage of in almost all the most important fields of technology and industry
Important applications include e.g. pharmaceutical industry, electronics, energy technology and biotechnology. Medical applications, in particular, appear promising. There is an abundance of products on the market in which nanotechnology has been used, such as sun tan lotions containing nano-sized particles, antimicrobial clothing containing nanosilver as well as cooking utensils and electronics that utilise nanotechnology.
Nanotechnology can also be used in foods and food packages
All foods contain nano-sized biomolecules in themselves. The discussion on nanotechnology and food should primarily take into account intentionally manufactured nanoparticles and materials. Interest in the application of nanotechnology in food and food packaging is growing rapidly and the use of nanograde particles and materials in them creates high expectations for food development. At the same time, different parties are considering the potential risks of technology for people, animals and the environment.
Nanotechnology applied to foods is designed to develop new, useful properties to foods. So far, nanotechnology is being used very little in food and food packaging. Nanotechnology makes it possible, among other things, to extend the lifespan of food products, improve product quality, and inform the consumer about product quality. Applications of nanotechnology in the food sector include intelligent and active food packaging, nano-sized additives, nanocapsules, nanoemulsions and nanodispersions, water purification as well as nanofiltration.