Identification of genetic characterization and volatile compounds of Tricholoma matsutake from different geographical origins

► ITS sequence analysis showed that fungus was a kind of fungi belonging to Subgenus Tricholoma. ► Differences of volatile components could be used for the characterization of each sample.► The Xiaojin sample is the best with health care function,deliciousandnon-toxic.►Linzhi sample is the most fragrant, buttoxic.