In some components of Europe, truffle looking is a extremely regulated trade, and the gatherers should be licensed and have skilled truffle canine. ’s run by a French and Japanese couple and they have a cafe next door too. And even while you do get your arms on them, they have a really quick shelf life.After simply 5 days, the pungent truffle odor will have halved. Fresh, raw truffles have a very quick shelf life and have to be eaten inside two to three days. The cheaper truffle oils have been created to imitate the smell and taste of truffles without actually containing truffles.