In winter, it is simply necessary to replenish the body with vitamins and useful trace elements. For this ideal unique berries - blueberries. It contains vitamins A (beta-carotene), C, E, K, vitamins of group B, trace elements potassium, magnesium, iron, calcium, phosphorus and others. But one of the main questions in the condition of the shortage of fresh berries in the winter is whether the frozen blueberries are useful and whether they retain their useful properties after freezing.
Does frozen blueberries retain useful properties?
This berry is unique in that it retains virtually all of its beneficial properties, even after freezing. It has a positive effect on the nervous and cardiovascular systems, improves the performance of vision. One of the most important factors in the use of frozen blueberries in winter is that it enhances the body’s resistance during colds.
Important! The energy value of blueberries in frozen form is only 40 kcal per 100 g of product (grapes, for example, contains twice as many calories).
In order to preserve the beneficial characteristics of blueberries as much as possible, it is recommended to freeze the berries abruptly, at the maximum power of the freezing chamber.
But it is important not to forget that improper storage of blueberries during freezing can reduce the amount of vitamin C, so you need to know exactly how to freeze blueberries for the winter.
Did you know? Dried bilberry leaves also have beneficial properties. They are added to herbal preparations for treating the gallbladder and the gastrointestinal tract.
Ways to freeze blueberries
First you need to purchase ripe berries with no visible defects. Next, you need to separate them from the crushed and spoiled berries, debris, stems and leaves. 
Do you need to wash blueberries before freezing or wash already prepared frozen berries, you decide. If the fruits retain their integrity and do not lose their shape and a lot of juice after washing, then it is possible to carry out the treatment with water before freezing.
Making stocks for the winter. Do not forget to prepare together with blueberries: strawberries, pears, spicy herbs, pumpkin, apples, raspberries, spinach, cilantro, apricots, dill, milk mushrooms, sorrel, cherries, gooseberries.
It is necessary to wash blueberries in small portions in a sufficiently capacious container with water. Then gently lay the berries in a colander. 
After that, it is imperative to thoroughly dry the blueberry berries, putting them on paper towels so that they do not freeze together during the cold treatment. Next, the fruit is ready to freeze. There are several ways to freeze blueberries.
Did you know? Blueberries are included in the compulsory menu of astronauts. Useful substances contained in it, they are vital.
Blueberry Freeze Sugar Free
In order to prepare frozen berries in bulk for the winter, you need to lay out the prepared blueberries on a tray, a large dish or baking sheet. It is important that the berries lay in one row. After that, they need to be placed in a quick freeze chamber for one hour. Further, frozen blueberries can be packaged in bags or containers, removed from the container all the air and sent for long storage in the freezer. 
Important! It is impossible to freeze the thawed berries again.
It is advisable to immediately pack up the right amount of blueberries so that, if necessary, the use does not create a risk of leakage of the container. This will extend the shelf life, taste and healthy qualities of the product.
Blueberry freeze with sugar
If you prefer sweet blueberries or are afraid that the berries will freeze each other, you can prepare frozen blueberries with sugar.
To do this, the berries prepared for freezing must be layered in a container in layers, sprinkled with sugar. The ratio of blueberries and sugar should be approximately two to one.
Such blanks are stored for a long time in the freezer and are perfect for preparing fruit drinks, compotes, jellies and jelly, as well as filling for pies or dumplings.
Did you know? During World War II, blueberries were an indispensable part of the diet of English pilots. Thanks to its beta-carotene composition, their visual acuity improved and they could see in the dark.
Frozen puree with sugar
If the berries are slightly grasped, but nonetheless have not lost their integrity, you can make frozen mashed potatoes with sugar out of them.
To do this, they still need to be prepared - clean the garbage, rinse and dry. Next, add sugar and using a blender to turn the mixture into a homogeneous mass.
If you want to get a sweet billet, the sugar required for mashed potatoes, is made in equal proportions with the berries. For a more natural taste, you can reduce the dose of sugar by half. The finished mass is spread on containers, close tightly and send to freeze.
Raw jam will really like children. They can also fill pies and desserts.
Did you know? The first American colonists boiled blueberries in milk for gray paint.
Frozen puree without sugar
To make a blueberry smoothie without sugar, simply blend the blueberry mass previously prepared for freezing with a blender. After that, decompose the blank into plastic containers, close tightly and send to the freezer.
The volume of containers should be small, so that the puree is enough for exactly one use.
Important! Sugar freeberry blueberry puree is ideal for feeding babies.
Frozen Blueberry Juice
In addition to berries and mashed potatoes, blueberry fruits can be used to prepare useful vitamin juice for long-term storage. It is necessary to squeeze the juice from the prepared blueberries in any way suitable for this. Then pour it into small glasses or bottles, without pouring to the edges, close tightly and send it to the freezing chamber. This juice is much healthier and tastier store counterparts. 
Use frozen blueberries
It is necessary to thaw blueberries gradually, removing the required number of berries from the freezer and placing them in the main chamber of the refrigerator. When the ice comes off the fruit, remove it from the refrigerator and leave it at room temperature until it is completely defrosted.
Important! For the preparation of hot dishes (drinks or pastries), thawing of the berries is not required.
There are many ways to use frozen blueberries.
It is an indispensable dietary supplement to hundreds of dishes for those who are overweight. Indeed, due to the low calorie content and the presence of tannins, it helps to reduce body weight. Blueberries are added to the preparation of yogurt, cocktails, fruit salads, granola.
When cooking, blueberries can be combined with other fruits: peach, cherry, strawberry, strawberry, lemon, pear, melon, plum, currant, blueberry, apple, raspberry, blackberry, apricot.
Blueberries, frozen with whole berries, are used in many recipes to decorate dishes. Hostesses add berries to pancakes, pies, cakes, casseroles, dumplings, muffins, jelly and ice cream. Also very tasty and useful drinks from black fruits - compotes, fruit drinks, jelly.
Blueberries have indisputable positive properties, tasty, healthy and unpretentious in freezing. Anyone will find a way to apply this wonderful berry to your taste.
