GENETIC CHARACTERIZATION AND VOLATILE PROFILES OF TUBER MESENTERICUM FROM BENEVENTO

摘要

Tuber mesentericum Vitt. is an edible truffle growing in some Mediterranean countries. Its center of production is localized in Italy, in particular in the area surrounding Bagnoli Irpino (Province of Avellino, in land of Naples), where T. mesentericum is very abundant. Considering the variability of its morphological characteristics, we used molecular analysis as a necessary tool for the recognition of the mycorrhizas of Tuber mesentericum. The genetic variability of ITS1 and ITS2 nucleotide sequences and volatile organic compounds from Tuber mesentericum fruiting bodies were analyzed, focusing our attention on samples collected in the area of Benevento (Italy). Molecular analysis allowed us to identify a genetic difference between the most common Tuber mesentericum from Bagnoli and Tuber mesentericum from Benevento and. Moreover, the characterization of the profile of volatile organic compounds by Purge and Trap GC-MS analysis let us verify that it diverge across different geographical areas.