Understanding the role of Acetaldehyde in a wine

‘Acetaldehydes’ are the most common member of the group of chemical compounds known as ‘Aldehydes’, a natural constituent of nearly all plant material, including grapes. Acetaldehyde is the next to last substance involved in the fermentation pathway (and is therefore a minor constituent of all fermented products). Acetaldehyde is naturally present in wine and all wines still contain acetaldehyde after fermentation…

Understanding the ‘Rhône Rangers’ movement

The term ‘Rhône Rangers’ is a quite loose term used to designate the affiliation of California Wine producers led by Bob Lindquist from the Qupé Winery and Randall Grahm from the Bonny Doon winery. In the 1980s, both of them, decided to produce wines in the style of red wines (mainly from Syrah, Grenache and Mourvedre grape varieties) and white wines (from the Viognier grape variety) made in the Rhône Valley, France…

What does ‘Abbocato’ mean?

‘Abbocato’ is an Italian word derived from the term ‘bocca’ (meaning ‘mouth’ in Italian) because they are supposed to be pleasing on the palate due to their sugar balance. It is used to designate Italian medium-sweet wines. It is to be noted that ‘abbocato’ wines are less sweet than ‘amabile’ wines.

Sorbitol and wine

Sorbitol is one of the alcohols present in trace amounts in grapes and wines, and closely related to glucose. It has a slightly sweet flavor, is highly soluble in water, and gives liquids a sense of body when present in high quantities…

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