In complete, 24 genuine white truffles harvested in Italy had been analyzed, attaining a δ13C values between -42.6‰ and -33.9‰, with a most normal deviation decrease than 0.7‰. Two business intact truffles and 14 business samples of pasta, sauce, olive oil, cream, honey, and recent cheese flavored with truffle aroma have been analyzed, and the outcomes from δ13C measurement had been evaluated in comparison with those of genuine "white truffle" vary and commercial synthetic bis(methylthio)methan...