Grappa is the traditional Italian spirit derived from marc. The quality of grappa
is infl uenced by the following factors: grape varieties, vinifi cation, system of marc
storage, fermentation, distillation, maturation and blending. Among the alcoholic
beverages, grappa is the richest in volatile compounds (about 1 per cent by volume).
Grappa quality is discussed in terms of its visual, olfactory/retro-olfactory and taste/
fl avour perceptions. Data on both consumer research and market analysis are reported and discussed in this chapter as well as the future trends of the sector
