The subjects belong to three groups: preschool kids, adolescents, and young adults. ‘The primary objective was to study the saliva stream and the occurrence of defense elements in saliva from little saliva glands during the growth years. It has under no circumstances been done before,’ says Mikael Sonesson. The results show for instance that children have a smaller amount of the specific compound immunoglobulin A weighed against adults. The amount of some components owned by the unspecific protection was similar, however. The differences could be explained by the actual fact that the immune protection is not fully established in small children.According to skillfully developed, the foods of the future will be able to be wrapped in sensible packaging that can detect spoilage and launch chemical agents to avoid further spoilage. The nanoparticles can be designed to allow tracking of meals from farm to plate, plus some particles will be able to tailor food to really have the properties and nutrition that the marketing businesses wish to sell. Which means that there could be junk food made with nanotechnology which will be able to claim that it cleans your arteries when you eat it. Billions invested in new researchThe main areas of nanotechnology research are actually the modification of seeds and fertilizers, fortification of foods, smart foods, clever packaging and meals tracking.