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What are the blue foods

There are blueberries, grapes, mulberries and so on.

Blueberries are divided into two kinds: one is a low shrub, short feet wild, small particles, rich in anthocyanins; the second is artificial cultivation of blueberries, which can grow up to 240cm high, with larger fruits and full flesh, which improves the edible taste of the wild blueberries, and enhances the human body's absorption of anthocyanins. There are more than 400 species of lingonberry plants distributed all over the world, mainly produced in the United States is also known as the American blueberry. China's wild blueberries are mainly produced in Changbai Mountain, Daxinganling and Xiaoxinganling forest areas, and most of them are in the Daxinganling area. In recent years, only successful artificial domestication and cultivation, China's blueberry research began in the early 1980s, by the Jilin Agricultural University Small Berry Research Institute took the lead in the field of blueberry research, and the first to establish a blueberry industrial production base.

Grapes

Grapes (scientific name: Vitis vinifera L.) for the grape family grape genus woody vine plants, branchlets cylindrical, longitudinal ribbed, glabrous or sparsely pilose, leaves ovoid, panicle dense or sparse, basal branches developed, fruit spherical or ellipsoidal, flowering in April and May, fruiting in August and September.

Grape is one of the world's oldest fruit tree species, grape plant fossils found in the Tertiary stratum, indicating that the time has been spread in Europe, Asia and Greenland. Grapes are native to western Asia and are cultivated all over the world, with about 95% of the world's grapes concentrated in the northern hemisphere.

Grapes for the famous fruit, raw food or raisins, and winemaking, winemaking after the foot of the wine can be mentioned wine eating acid, roots and vines for medicinal use can stop vomiting, an abortion.

Mulberry

Mulberry (sāng shèn), also known as mulberry, mulberry tree, the mature fruit of the mulberry tree, for the mulberry plant mulberry tree fruit spike. Also known as mulberry seeds, mulberry cane, mulberry dates, mulberry fruit, mulberry bubble child, mulberry, etc.. Farmers like its ripe fresh fruit to eat, sweet and juicy, is one of the fruits that people often eat. Mulberry is harvested in April-June each year when the fruit is ripe, remove impurities, sun-dried or slightly steamed and dried for consumption, but also to make wine. The specific ripening time is not the same everywhere, the south a little earlier, the north a little later. Mature mulberry texture oily, sweet and sour taste, to a large, thick flesh, color purple-red, sugar enough for the best.

"Compendium of Materia Medica" and a variety of medical texts on the medicinal value and use of mulberry has a detailed description of the mulberry taste sweet and cold, with the liver and kidney, the birth of the Jin Run dry, hair and eyesight and other effects. Mulberry is a kind of diuretic, health care, summer fresh fruit often used by the people in ancient times, in the materia medica there are records of its special effects.

Blueberry effects and functions

1. Cancer prevention

Blueberries can slow down memory loss and prevent heart disease, so they are regarded as a super fruit. USA Daily Health News reported that recent studies have added to the super fruit's reputation by showing that eating more blueberries or drinking blueberry juice can help prevent colon cancer.

2. The No. 1 antioxidant

Prevents dysfunction, improves short-term memory, and improves balance and coordination in the elderly. The U.S. Human Nutrition Research Center found that blueberries are the most anthocyanin-rich fruits, and blueberries are ranked No. 1 in antioxidant capacity among more than 40 kinds of fruits and vegetables.

3. Improve vision

The unique anthocyanin antioxidant component of blueberries has been used to maintain the integrity of blood vessels, strengthen the elasticity of microvessels, promote blood circulation, and maintain a normal eye pressure to alleviate a wide range of eye problems.

4. Oral Skin Cosmetics

Anthocyanins are natural sun shields that stop UV rays from attacking the skin. It stops the appearance of wrinkles and vesicles and keeps the skin supple and smooth. It improves the health of the skin from within. Thus, it improves skin elasticity, reduces skin diseases and ripples, and even eliminates scars, removes discoloration, and brightens the skin. Therefore, the dual protective effect of anthocyanins from the inside out prevents the early appearance of skin wrinkles, and makes the skin smooth and elastic for a long time.

Contraindication

1. Fresh blueberries have a light diarrhea, do not eat when diarrhea.

2. Because blueberries contain oxalate, when oxalate accumulates too much in the body fluids, there will be crystallization of the phenomenon, but will be harmful to the body. Therefore when the kidney or gallbladder is not cured patients avoid consuming too much blueberries.

3. Oxalate also prevents the absorption of calcium, so people who want to strengthen calcium avoid consuming blueberries and high-calcium foods together, and if you want to take calcium tablets, it's best to separate them from blueberries for 2 to 3 hours.

References

Grape (Vitis vinifera)_Baidu Encyclopedia

Blueberry (Rhododendron biloba)_Baidu Encyclopedia

Mulberry_Baidu Encyclopedia