In some elements of Europe, Bagnoli's Black Truffle hunting is a extremely regulated trade, and the gatherers have to be licensed and have skilled truffle canine. ’s run by a French and Japanese couple and they've a cafe next door too. And even once you do get your arms on them, they've a really brief shelf life.After just five days, the pungent truffle smell could have halved. Fresh, uncooked truffles have a very brief shelf life and have to be eaten inside two to a few days. The cheaper truffle oils have been created to imitate the odor and style World of Truffles truffles without really containing buy frozen truffles.