Name (formerly Décomposition = decomposition) for the sediment, which is mainly in rich, tannin Red wines with Barrique forms or is common. He trains himself polymerization and precipitation of substances (tanning and dyes, dead yeast ) during the bottle aging, A distinction is made between easily separable firm (Dépot fix) and powdery sediment (Dépot poudrex). A depot is to some extent regarded as a quality feature, because of the appearance of the beginning of the maturity a wine is displayed. Provide some protection against the whirling up of the depot when pouring into the glass bottle bottoms with a recess where the sediment can collect in the groove.
In general, the presence of Depot is not wine faults, If anything, these deposits are primarily for optical reasons decanting away. Depot may not use the Weinstein be confused. Veil and opacities are also no depot, these can by protein or heavy metal contamination (spraying or cellar equipment). The old port wine occurring thin skin on the surface is called bees wings, The after the fermentation in the wine suspended substances are called Trub, the yeast residues as lees designated. See a list of all wine ingredients below total extract,