Shelf life of winter jujube

Winter jujube is a kind of nutritious fruit, like a small apple, juicy and sweet, so it is an indispensable food in autumn and winter. So how long is the shelf life of winter jujube?

1. Shelf life of winter jujube

The shelf life of winter jujube is relatively short, it can only be preserved for 2-3 days at room temperature, and it can be preserved for about a week in the refrigerator. Winter jujube is best eaten early, do not keep too long, so as not to affect the taste.

Second, the main value of winter jujube

Winter jujube has delicious fresh food, crisp skin, delicate meat and excellent quality. it is a high-grade fresh food variety in northern deciduous fruit trees so far; it can crack when it falls to the ground after maturity; it has a lot of juice, no residue, sweet and fragrant; the meat is thick and nuclear is small, and the edible rate is high. Winter jujube is very nutritious. Contains aspartic acid, threonine, serine and other 19 kinds of essential amino acids, especially rich in vitamin C, known as "living vitamin pills". In addition, the fruit of winter jujube also contains many kinds of trace elements, such as vitamin A, vitamin E, potassium, sodium, iron, copper and so on, which can maintain the smooth flow of capillaries and prevent the brittleness of blood vessel wall. it has curative effect on hypertension and atherosclerosis and has anti-cancer effect. The nutritional value is the crown of the hundred fruits, which is called "the king of the hundred fruits".

Third, how to choose winter jujube?

1. Look at the color: the naturally mature winter jujube gradually changes from cyan to red, so it is mostly cyan through red, and there is no obvious dividing line between cyan and red, while the winter jujube soaked in saccharin is mostly dark red or dark yellow, with obvious boundaries with cyan.

two。 Texture: the skin of naturally ripe winter jujube is smooth and hard, and the skin and pulp are close together, while the skin of sugar jujube is sticky, even wrinkled, the pericarp is loose, and the pedicel is soft.

3. Taste: naturally ripe winter jujube is crisp and refreshing, the flesh is the sweetest, the peel is basically tasteless, and it has a natural fragrance; due to soaking, the peel of saccharin jujube is sweeter than the pulp, the aftertaste is slightly bitter, and the washed water is also sweet.

Although winter jujube is very delicious, but if you eat too much at one time, it will hurt the intestines and stomach and cause gastrointestinal discomfort, so it is not appropriate to eat more.