Before freezing the berries is required to sort and remove debris and poor quality fruit. Then berries should be washed (if they are collected from your site, and when growing they are not subjected to chemical treatments, then you can skip this step), and then dried, laid out on cotton fabric in single layer and leave for 30-40 minutes in a ventilated area.
After the berries are dry, they need to be put in special bags or containers for freezing, airtight package, place in the freezer Department separately from other products (especially sea, for example, fish). After the work done you want to turn the freezer to a minimum temperature approximately a couple of hours. This way the berries freeze quickly and will retain the maximum amount of vitamins.
For the freeze lost in the form of berries, for example, a bit of mashed fruit of cherries, of which extracted the bone, you can use "sweet" method of freezing. Berries need to roll in powdered sugar or sand, to wait to separate the juice, then put them in containers and freeze at a minimum temperature of the freezer. This method of freezing allows not only to maintain the shape of the berries, but also to accentuate their taste in future applications.
As for the shelf life of frozen berries, many types, for example bilberry, cranberry, cherry, cherry, Aronia, can be stored for years at temperatures from -8 to -12 degrees, but raspberries, strawberries, blackberries, blueberries, blueberries - only seven or eight months. Do not expose the freezing red and white currants, all kinds of grapes, as freezing adversely affects their taste.