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.
Alcoholic fermentation is the magical biological process that turns grape juice into wine. While we commonly know that during fermentation yeast covert sugar into alcohol, not all types of fermentation will result in alcohol, like in the case of sauerkraut.