In complete, 24 genuine white truffles harvested in Italy had been analyzed, attaining a δ13C values between -42.6‰ and -33.9‰, with a maximum normal deviation lower than 0.7‰. Two industrial intact truffles and 14 business samples of pasta, sauce, olive oil, cream, honey, and Fresh Tuber Aestivum Black Truffles cheese flavored with truffle aroma have been analyzed, and the results from δ13C measurement had been evaluated in comparison with these of real "white truffle" range and business artif...