Nutrition and efficacy of winter jujube

Many people like to eat winter dates, especially female friends, because eating them can replenish blood. Let us learn about the nutritional value of winter dates.

Winter jujube

The taste of winter jujube has always been widely recognized by people. The price of winter jujube has increased in direct proportion to the taste. In the ripening period of winter jujube, winter jujube in some places even sold for 30 yuan per catty, which shows how popular winter jujube is. Winter jujube (also known as Yanlaihong, Apple jujube, Bingtang jujube, Lubei winter jujube, Zhanhua winter jujube, Huanghua winter jujube, etc.) is a high-quality late-maturing fresh food variety in the northern part of Shandong. Winter jujube bears fruit early, and can bear fruit in the same year of grafting. It matures in early to mid-October. The fruit is nearly round, with a smooth and clean surface, and the fruit shape resembles a small apple. The longitudinal diameter is 2.7-2.9cm, the horizontal diameter is 2.5-2.9cm, the average single weight is 14 grams, and the maximum fruit weight is 45 grams.

The winter jujube tree has moderate vigor and medium branching ability. It bears fruit 2-3 years after planting and in the second year after high grafting. It has a stable yield. The fruit growth period is 125-130 days. It can be harvested from late September (white ripening period) to mid-October (full ripening period).

This variety has strong adaptability, relatively high and stable yield, late fruit maturity, and excellent quality, making it an excellent late-maturing fresh food variety.

Winter jujube is delicious when eaten fresh, with crispy skin and tender flesh, and is of excellent quality. It is currently a high-end fresh food variety among northern deciduous fruit trees. When ripe, it falls to the ground and cracks open. It is juicy and has no residue, and is sweet and fragrant. The soluble solids content is 35-38%, the flesh is thick and the core is small, and the edible rate is 96.1%.

Winter dates are extremely nutritious

It contains 19 essential amino acids such as aspartic acid, threonine, and serine, with a total content of 0.985 mg/100 g; 1.65% protein; 2.3% dietary fiber, a total of 17.%; 0.26% total flavonoids; 0.87 mg/100 g niacin; 1.1 mg/kg carotene; 0.1 mg/kg vitamin B1; 2.2 mg/kg vitamin B2; and the vitamin C content is particularly rich, reaching 352 mg/100 g, which is 70 times the vitamin C content of apples, 100 times that of pears, and 20 times that of golden thread jujubes. It is known as a "living vitamin pill". The biggest feature of winter jujube is its extremely high vitamin C content, with a vitamin C content of 380 to 600 mg per 100 g of pulp (the vitamin C supplement can generally provide 60 mg of vitamin C), which is 70 times that of apples and 16 times that of citrus fruits. Even hawthorn, which was previously considered to be rich in vitamin C, is inferior.

Winter dates are not only delicious, crispy, tender, juicy, sweet and fragrant, but also extremely nutritious.

Winter dates contain 20% to 36% sugar; they contain 19 kinds of amino acids required by the human body, such as aspartic acid, threonine, and serine, with a total content of 0.985 mg/100g

Winter jujube contains 1.65% protein, 2.3% dietary fiber, 0.26% total flavonoids, 0.87mg/100g niacin, 1.1mg/kg carotene, 0.1mg/kg vitamin B1, and 2.2mg/kg vitamin B2.

Winter jujube also has good medicinal and health value:

Winter dates are rich in vitamin C and vitamin P, and contain relatively large amounts of vitamin A, vitamin E, as well as various trace elements such as potassium, sodium, iron, and copper. They are very beneficial for strengthening capillaries, maintaining the elasticity of blood vessel walls, and resisting atherosclerosis.

Winter jujube also contains rutin, which is an effective drug for treating hypertension.

Therefore, winter dates are very helpful in the prevention and treatment of coronary heart disease, hypertension, atherosclerosis, etc.

Regulate immunity

The cyclic adenosine monophosphate rich in winter jujube is an important physiologically active substance that participates in various physiological activities in the human body, can regulate the immune system, and has the effects of enhancing myocardial contractility, protecting coronary arteries, lowering cholesterol, and inhibiting the proliferation of cancer cells.

Detoxification and liver protection

Winter dates are rich in carbohydrates, vitamin C, and cyclic adenosine monophosphate, which can reduce the damage to the liver caused by various chemical drugs, promote liver protein synthesis, increase serum albumin content, adjust the ratio of albumin to globulin, and reduce serum alanine aminotransferase levels.

In clinical practice, jujube can be used as an auxiliary treatment for chronic hepatitis and early cirrhosis.

The blood-replenishing effect of dates has long been widely known. In addition, winter dates are also effective in treating neurasthenia, insomnia, hypertension, septicemia and allergic purpura.