The language of wine contains a wealth of meanings that are not all too familiar, particularly the technical interpretations. The glossary describes and offers an explanation to the most common terms.
sugar
Definition:Grapes contain the natural form of sugar as fructose and glucose. Sugar beet (saccharose) may be added to the must (with legal maximum limits), see chaptalization. The unfermented sugar value (residual sugar) must be declared in its respective term on the label.