Off odors

Off Odors: Undesirable odors from a variety of sources ranging from moldy fruit to improperly or overly aged bottled wine.', '', 250)"; onMouseout="hideddrivetip()"Off Odors ...

Off odors
Undesirable odors perceived by the nose from a variety of possible sources.

Old vines
An unregulated term for grape vines whose fruit quality is presumably good because the vines are old and produce little crop.

It is often noticed that wines which exhibit off odors or tastes when first opened may be improved by air exposure prior to serving.

BACTERIAL
A tasting term often used by wine judges to describe wines with unpleasant, but ill defined off odors or flavors.
BADEN
A wine region in Southwest Germany ...

OFF ODORS - May include smells that are unpleasant, but usually limited to wine flaws such as the pungency of Sulfur Dioxide (like a burnt match head), Hydrogen Sulfide (rotten eggs), cork taint (like a moldy cellar), vinegar, ...

This is also a good time to catch a preliminary sniff of the wine so you can compare its fragrance after swirling. This will also allow you to check for any off odors that might indicate spoiled (corked) wine.

See also: Tannins, Off, Rough, Flavor, Grape