How to keep the fresh blueberries bought by
bought fresh blueberries should be put into the refrigerator immediately, and the best storage temperature is 1 ~ 3 ° C. It can be insured for 5-7 days. If you want to eat fresh blueberries, do not put them into the cold storage below 0 ° C.
do not recommend washing blueberries with water before putting them into the refrigerator, because the moisture can easily cause blueberries to rot, so keeping the appearance of blueberries dry is the only way to prolong the storage life of fresh blueberries. The temperature of
blueberry fruits should be kept below 10 ℃ during transportation. However, when the temperature of the fruit drops below 10 ℃, the pre cooling process must be carried out to remove the heat of the fruit in the field so as to effectively prevent the fruit from rotting. The main methods of precooling are vacuum cooling, cold water cooling and cold air cooling. Can
fresh blueberries be frozen?
blueberry fresh fruits should be refrigerated and kept fresh if they can’t be eaten on the same day after they are bought home. The cold storage time should not be too long. If the deteriorated fruits are found in the cold storage, they should be picked out and thrown away in time. The way to store a large number of fresh blueberries is to divide them into three parts: one is to set aside the amount to be eaten for 1 to 2 days at room temperature without refrigeration, the other is to refrigerate at 0 to 2 ℃ above zero for 7 days, and the other is directly frozen at – 18 ℃ for long-term preservation. The freshness of blueberries should be preserved at different freezing times. It is recommended to seal the blueberry with preservative film when refrigerated and frozen to prevent blueberry from losing water or having a taste with other foods. Frozen fruit in the thawed 10 to 20 minutes after eating the best taste, it is recommended to eat how much thawed, thawed after thawing, can lead to poor taste.
blueberries can be frozen. Blueberries can be frozen. Quick frozen blueberries are fresh blueberries after picking. They are immediately put into the quick freezing tunnel or freezer for freezing, and then form very small ice crystals. This will not damage the cell tissue of blueberries, but also ensure the taste and aroma of blueberries, and make the blueberries after quick-frozen can be preserved for a longer time. Quick frozen blueberries in transportation, storage, shelf, preservation and other aspects than good.
blueberry cold storage are mainly built in blueberry planting bases and other areas, which are used to freeze and preserve blueberries after picking. Low temperature freezing can fully preserve the taste and nutritional value of blueberries, which is suitable for long-term consumption of children and pregnant women. The best cold storage temperature of blueberry is about 1 ℃ ~ 3 ℃. If you want to store it for a long time, you can use quick freezing. At present, many blueberries on the market use quick-frozen storage.
the selection method of blueberry fresh fruit
the fresh blueberry fruit picked from blueberry tree has a layer of white fruit frost, which is an important source of aroma and nutrition of blueberry. The fresh blueberry fruits purchased in the supermarket are usually packed in 125 grams of plastic box. When purchasing, check the freshness of blueberries first. The specific methods are as follows: first, check the number of white fruit cream on the surface of the fruit, and the freshness of blueberry will be high if there is more cream on the surface of blueberry; if there is little or no cream, the freshness of blueberry is poor; second, check the bottom of blueberry box, and if there is pink liquid, it indicates rotten fruit in the box. In Japan’s high-end supermarkets, blueberry fresh fruit can not be sold on the same day to throw away all. In Hong Kong supermarkets, if fresh fruit can not be sold on the same day, the price will be reduced by about 50%. Therefore, the price of fresh fruit sold in supermarkets is related to freshness, which does not represent the real market price. The above content of
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