the feeling of a person whose attention, concern, or curiosity is particularly engaged by something: She has a great interest in the poetry of Donne. something that concerns, involves, draws the attention of, or arouses the curiosity of a person: His interests are philosophy and chess.
Primary fermentation usually takes between three to seven days to complete. It goes by much more quickly than secondary fermentation because wine must is a much more fertile environment for the yeast. Sugar and oxygen levels are high during primary fermentation and there are plenty of nutrients.
How long does red wine last once opened? depends to a large extent on storage conditions - re-cork the wine as soon as finished drinking. Refrigerating an opened bottle of red wine will help keep it fresher; take the red wine out of the fridge about an hour before serving to bring back to room temperature.