On the long sea voyages, the wines would be exposed to excessive heat and movement which transformed the flavour of the wine as the wine producers of Madeira found out when an unsold shipment of wine returned to the islands after a round trip.
The wines would be exposed to excessive heat and movement. This was on the long sea voyages. These excessive heat transformed the flavour of the wine. Movement transformed the flavour of the wine. The wine producers of Madeira found out. An unsold shipment of wine returned to the islands after a round trip.