Scientists Uncover Prized White Truffle Mystery Paris, 24 Jul (ONA) - - - The prized white truffle emits intense aromas of garlic, fermented cheese and methane, and is so rare that the truffle can fetch up to £9,000 a kilogram. Now, the puzzle that has confounded experts for more than half a century, of how to cultivate the elusive white truffle on a commercial scale, appears to have been solved, the British Guardian News reported. This week, scientists from France’s National Research Institute for Agriculture, Food and the Environment (INRAE), will reveal that, at a secret ...