Storing apples varies depending on when the apples are eaten, but there are some keys to keeping apples fresh and crisp for a longer time period. Temperature is one of the main considerations for apple storage. The ideal temperature for apples is around -1.11 to 1.67 degrees Celsius according to Faith Durand, a writer for the website The Kitchn.
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High Temperature Problems
The higher the temperature an apple is stored in, the faster the apple over ripens and goes bad. The University of Missouri states that when the temperature gets up to 21.1 degrees Celsius, the apples get ripe and rot very quickly. Every 10 degrees above 0-1.111 degrees Celsius speeds the rate at which apples rot exponentially. An apple stored at 4.44 degrees Celsius rots twice as fast as one stored at -1.11 degrees Celsius and one stored at 50 degrees will rot up to four times faster than the one stored a 30 degrees.
Low Temperature Problems
Apples are not frozen for a good reason. Once the apples freeze, they turn mushy and soggy. Emily Betz Tyra, a writer for the website My North, says that frozen apples turn into one big bruise, so it is important that the temperature does not drop below -1.11 degrees Celsius to prevent freezing.
The best cool storage option for apples is in the fridge. The fridge allows temperature adjustments without challenges and ensures a regular temperature. Storing in the cellar or a basement during the winter months is appropriate if the temperature stays between 30 and 40 degrees Fahrenheit.
For apples there are two basic considerations for storage with relation to how long the apples will remain fresh at the optimal 32 or 33 degrees Fahrenheit. One consideration is humidity. Apples need high humidity to stay fresh. Faith Durand suggests putting a slightly dampened paper towel in the fridge with the apples to keep the humidity high. The other consideration is the time when the apples are harvested. Late varieties, like Granny Smith or Winesap apples, keep longest. Early varieties like Yellow Delicious keep for a shorter time. Most apples stored at 32 to 33 degrees Fahrenheit will keep for up to around two months.
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