How can I tell if a red wine has spoiled?
(are you ready Mr. Oldman's little class begins)
Generally speaking, the wine is left for more than a week after opening the bottle, the nutrients are lost, most of them are "spoiled", if the red wine has a brown hue, indicating that the wine has passed the optimal drinking period. If a white wine appears dark yellow or brown, it usually indicates that the wine has been oxidized. After observing the appearance of the wine, followed by a sniff. The pungent smells of wet cardboard, acetic acid, mushrooms and mildew in wine are all signs of wine spoilage. Such a wine is not recommended for everyone to drink.
Now, do you understand!
