some of the world&rsquos most popular foods and seasonings can also be the smelliest. no amount of plastic wrap seems to contain their stench, but now scientists have developed a new film that could finally neutralize the odours of even the most pungent . in a recent report published in the journal acs applied materials & interfaces entitled nanocellulose&ndashzeolite composite films for odor elimination lennart bergström and his colleagues, from stockholm university in sweden, explain how they have developed a film out of zeolites, which are microporous solids containing aluminum and silicon, plus cellulose from wood. testing the material showed that it could trap the sulphurcontaining compounds which are often responsible for bad food smells. this adsorption reduced odours to levels below those humans can sniff out.
