Quality-critical time in the annual vegetation cycle of the grapevine at which the grape harvest takes place. This is the end of the ripening period between véraison (start of ripening, when the berries begin to change colour) and grape ripeness. The period between flowering and maturation depends not only on the climate and weather, but also on the ripening time (early to late) of the grape variety. The green berries before véraison have a relatively high acid content, which is reduced during ripening, while the sugar content increases.
The pictures show unripe, green grapes, some of which are still very small and very acidic. In this state, many companies use them to produce verjus (a vinegar substitute that has become popular again).
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