Jujube is sweet and flat, and enters the spleen and stomach. Winter jujube is neither a hot food nor a cold food. After eating it, it will not cause excessive internal heat. The skin of winter jujube is crisp, tender, sweet and fragrant, which has the function of nourishing yin, nourishing blood and calming the nerves, and will not get angry after eating it. But in moderation, if you eat too much, your stomach will swell and you will feel pricked.

Alkaline food refers to the food which is produced by human body's digestion and absorption, and the acidity and alkalinity of the food are determined by the types and contents of minerals contained in the food, not according to the taste of the food.

Alkaline food is rich in a variety of trace elements, generally including eight kinds of trace elements: potassium, sodium, calcium, magnesium, iron, phosphorus, chlorine and sulfur. Because food contains these metal cations, after food enters the human body, it is decomposed and metabolized, and the final product makes the body fluid alkaline, so it is an alkaline food.

Alkaline foods include vegetables, fruits and legumes. From the point of view of nutrition, the reasonable combination of acidic food and alkaline food is the guarantee of good health. However, some alkaline foods are special. For example, vinegar, although it tastes acidic, will produce carbon dioxide and water in the process of human metabolism, and will not produce acidic substances, so vinegar is also an alkaline food.

Extended data:

Selection of winter jujube

1, look at the color

Naturally mature winter jujube gradually changes from cyan to red, so it is mostly green and deeply red, and there is no obvious dividing line between green and red; However, the winter jujube soaked in saccharin is mostly dark red or dark yellow, which is obviously different from the cyan part.

2. Touch the texture

The skin of naturally mature winter jujube is smooth and hard, and the peel and pulp are closely attached; However, the skin of saccharin jujube is sticky, even wrinkled, the skin is loose and the fruit pedicle is soft.

3. Taste it

Naturally ripe winter jujube is crisp and refreshing, with the sweetest flesh, tasteless peel and natural fragrance; Because of soaking, the peel of saccharin jujube is sweeter than the pulp, and the aftertaste is slightly bitter, and the washed water is also sweet.

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People's Health Network-How to Choose Winter Jujube? Teach you three tricks to identify "saccharin jujube"