A flawless wine is clear, this is best done with one White wine by holding the glass against a light source. With dark red wine Of course this is difficult. Turbidity in the form of clouds, veils or streaks are used in wine ratings with the adjective blind often designate and point to a more or less pronounced wine faults out. In most cases, this is due to improper winemaking methods or lacking hygiene causes. The manifold reasons can be physico-chemical ( proteins. tannins, Crystals, metals ) or biological species ( bacteria. yeasts ) or are through wine foreign Substances such as dust, filter material, cork abrasion and the like have been caused.
The wine type defined in Austria by wine law dusty is a cloudy, without being completed clarification marketed wine. Possible wine defects and defects that are manifested by cloudiness are among others Brown break. protein haze. vinegar sting. yeast turbidity (Bacteria turbidity) Käseln. Lindton. Lactic acid sting. drop in acidity. mucus Stein. Black break and white break. Not as a wine defect is a by Weinstein caused calcium turbidity. Also the as depot designated residues mainly in red wine mean no wine defect. Trubstoffe can through beautiful and / or by filtration be removed from the wine.