Lightstruck
A tasting term for a wine that has been exposed to Ultraviolet light for a long time. This causes a "wet cardboard" type aroma and flavour.
Liquor
This is the liquid containing unfermented sugar prior to turning into wine.
Lightstruck
A tasting term for a cooked a wine that has had long exposure to ultraviolet light.
Lightstruck - A condition that can occur in wines (especially delicate wines like Champagne) when they are exposed to ultra-violet light rays for too long a time. It is a flaw that has been described as having the smell and taste of wet cardboard.
Lightstruck wines are those that have had excessive exposure to ultraviolet light, particularly in the range 325 to 450 nm[8].
 See also: Alcohol, Light, Yeast, Malolactic, Fermentation
  
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