How does white wine spoil and how can you tell if it has spoiled?

Wine is a natural item and, as such, goes through degeneration. wine spoilage can be classified as "main" or "secondary.".

Primary wine spoilage is brought on by the development of yeast and bacteria in the red wine. These microorganisms are naturally present on the grape skin and in the winemaking environment. If white wine is not properly protected from oxygen, the yeast and bacteria will increase, resulting in the putridity of the white wine.

Secondary red wine putridity is triggered by the growth of mold on the red wine.  https://creaturesincrisis.org/?p=995 Mold can grow on red wine that has actually been kept in wet or humid conditions. If the red wine has actually been saved in an Optimum Storage Environment (OSE), mold will not have the ability to grow.

see this website You can tell if white wine has gone bad if it has developed an off-odor or if the color has altered. Red wine that has actually gone bad will likewise have a flat taste.