Autumn is the season when a large number of winter jujubes are on the market. Winter jujubes taste crisp and sweet and rich in vitamin C, so they are very popular. But the nutritional value of winter jujube and red jujube is higher, do you know? What are the differences between winter jujube and red jujube? Let's talk about the nutritional value of winter jujube and red jujube, and the differences between winter jujube and red jujube.
Nutritional analysis of winter jujube
The content of vitamin C in winter jujube is particularly rich. The content in fresh jujube pulp per 100g is 352 mg, which is 70 times that of apple, 140 times that of pear and 20 times that of Jinsi jujube. Medicine has proved that if adults take enough vitamin C every day, they can remove all kinds of toxins in the body, increase their resistance to diseases and promote metabolism. In the season of high incidence of cold, eating more fresh winter jujube is undoubtedly an effective way to resist cold virus.
Winter jujube is also rich in vitamin A, vitamin E, potassium, sodium, iron, copper and other trace elements. It has the reputation of 'King of fruits' and' live vitamin pill '. Eating more winter jujube can also soften blood vessels. It is an ideal fruit to prevent hypertension, coronary heart disease and arteriosclerosis. However, it should be noted that excessive consumption of winter jujube can hurt the spleen and stomach. It should not exceed 100 grams a day. People with excessive phlegm and secret stool should also eat it carefully to avoid helping the fire generate heat.
Nutritional analysis of jujube
Jujube has sweet taste, warm nature, returning to the spleen and stomach meridian, and has the functions of tonifying middle Qi, nourishing blood and calming nerves, and alleviating drug properties; Jujube contains rich nutrients such as protein, fat, carbohydrate, organic acid, vitamin A, vitamin C, trace calcium and a variety of amino acids. Jujube can improve human immunity and inhibit cancer cells: pharmacological studies have found that jujube can promote the production of leukocytes, reduce serum cholesterol, increase serum albumin and protect the liver. Jujube also contains substances that inhibit cancer cells and even transform cancer cells into normal cells; People who often eat fresh dates rarely suffer from gallstones. This is because the rich vitamin C in fresh dates changes the excess cholesterol in the body into bile acids. Less cholesterol reduces the probability of stone formation. For female friends, often eating red dates has the effect of beauty.
The difference between winter jujube and red jujube
1. Different maturity time
Winter jujube: winter jujube is called winter jujube because it matures later than ordinary jujube. It matures when the weather is cold in the first and middle of October.
Red jujube: red jujube has been planted in China for thousands of years. Now it is planted in the whole China. Among them, it is planted more in the north of the Yangtze River. It usually blooms at the end of spring and will mature in the middle and late summer. Rarely, there are red jujubes in the middle and late autumn.
2. Jujube fruit is different in size
Winter jujube: winter jujube is a new variety of jujube tree. Its jujube fruit is large, with an average weight of about 17g, and the large can reach 25g.
Red jujube: red jujube is generally not very big. The big one is nearly 10g, the small one is only the size of peanuts, and the fruit core is relatively small, which is troublesome to eat. Therefore, red jujube is mostly sold as dry goods.
3. Different colors
Winter jujube: only half of the sunward side of winter jujube is red, the rest are mostly green, and the pulp is white and slightly green.
Red jujube: red jujube eats green when it is immature. After maturity, the whole is bright red, and the jujube skin is redder after drying.
4. Different taste
Winter jujube: the fruit of winter jujube is large, the skin is thin and the meat is crisp, sweet and slightly fragrant. The texture is very crisp and tender. It will crack when landing. It has more juice and no residue. The meat is thick and the core is small. It is generally fresh. The edible rate is high, so it can be eaten more appropriately.
Red jujube: the red jujube fruit is smaller, the fresh fruit is sweeter than the winter jujube, and also has jujube flavor. Relatively speaking, the jujube core is a little larger, and the edible rate is low. It is mostly sold with dry jujube, so it is not suitable to eat more.
5. Different market prices
Winter jujube: because winter jujube is a fresh jujube, and its size is moderate, it is very suitable to be eaten as snack fruit. It has rich nutritional value and expensive price. At the highest, it reached 360 yuan per kilogram. Now it has a wide planting area and is more common in the market. The price has decreased, generally from 10 yuan to 20 yuan per kilogram.
Red jujube: due to the long planting history in China, the price of red jujube has been a stable price, almost every year, and there will be no great change, 5 ~ 10 yuan per kilogram.