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What are the beautiful legends about blueberries?

Blueberries are rich in anthocyanins, which have the effect of activating the retina, can strengthen vision, and prevent eye fatigue. They are also one of the five healthy fruits recommended by the World Food and Agriculture Organization. Below are the legends and stories about blueberries that I have compiled. You are welcome to read them.

The legend of blueberry

Blueberry (Blueberry) means blue berry. It is a perennial green-leaved or evergreen shrub whose fruits are berries. It is native and mainly produced in the United States, such as Alaska, and is also called American blueberry. One type of blueberry is wild, low shrub, short-legged, with small particles and high anthocyanin content; the other is artificially cultivated and can grow to 240 cm tall. The fruit is larger and has more water, but the anthocyanin content is high. The element content is relatively low. The earliest country to cultivate blueberries is the United States, but its cultivation history is less than a hundred years old. At present, blueberries have become one of the main fruit tree species planted in the United States. Following the United States, countries around the world are competing to introduce and cultivate blueberries, with Europe, Australia, Oceania, Japan and other developed countries and regions as typical representatives. Blueberries produced in Oceania are also the world's best blueberries. Commonly known as: Australian blueberry.

Blueberries originate from North America. At that time, Americans who sailed to North America suffered from terrible "septicemia" due to a long-term lack of fresh fruits and vegetables. The local Indians gave them a kind of fruit that was euphemistically named because of the star-shaped stems at the bottom of the fruit. The blue berries of Star Fruit finally cured their diseases. Americans thought this was a life-saving fruit given to them by God, so they called it blueberry.

During World War II, the British Royal Air Force would take certain foods before performing missions. Legend has it that it can enhance the pilot's eye function, enhance the photosensitivity at night, and better complete the mission. This Just blueberries.

According to legend, three thousand years ago, there lived a Dragon King in the Tianchi of Changbai Mountain. The Dragon King has a daughter named Lanqie, who is more beautiful than a fairy and is loved by everyone. One year, a five-step snake spirit emerged from the lotus flower in Changbai Mountain. It performs black magic, causing demons to dance wildly, and there are horrific scenes everywhere. Blueberry asked the Dragon King of Tianchi to kill the demon. After a desperate struggle, Blueberry was poisoned by the snake spirit due to lack of physical strength. When the Dragon King of Tianshan arrived and killed the snake spirit, Blueberry had already fallen by the pool, unable to save himself. Since then, patches of green dwarf plants have grown in Lotus Field, full of purple-black fruits. People call them blueberries. After the beloved daughter of the Dragon King of Tianchi turned into a blueberry tree, the old Dragon King missed her all day long, cried and thought about her every day, and cried until his eyes almost went blind. One night, Xiao Longnu gave her father a dream. She said, "Father, I died to fulfill my duty to defend my homeland. You should be proud of me. Seeing you crying day and night makes me really heartbroken." If you miss me, eat a few blueberries every day. They are made of my blood and can cure your eyes. When the old dragon king got up the next day, he followed his daughter's instructions and ate a few blueberries every day. Three months later, his eyesight was restored. Because the blueberry fruit brought benefits to the people, the Dragon King of Tianchi cast a spell in memory of his daughter. From then on, the entire Changbai Mountain area was covered with this plant. People at the foot of Changbai Mountain go to the mountain to pick blueberries and eat them. It is so magical that people in the mountains like to eat this fruit every day. If you come back alive and eat a few blueberries, all your fatigue will disappear; if you eat blueberries, your eyes will not be blurred or your ears will be deaf; if you eat blueberries, your child will grow taller and faster; if you eat blueberries, your girl will have a beautiful figure. That's fine. When guests come to the house, people in the mountains regard this fruit as the best thing to entertain guests.

The average weight of blueberry fruit is 0.5 to 2.5g, and the maximum weight is 5g. Beautiful, pleasing to the eye, blue and covered with a layer of white fruit powder, the pulp is fine, the seeds are very small, the edible rate is 100, it has a light aroma, sweet and sour taste, and is a good fresh food.

In addition to conventional sugar, acid and Vc, blueberry fruit is rich in VE, VA, VB, SOD, arbutin, protein, anthocyanin, dietary fiber, and rich mineral elements such as K, Fe, Zn, and Ca. According to the analysis of 14 blueberry varieties introduced from abroad by the Small Berry Research Institute of Jilin Agricultural University, the content of anthocyanin pigments in the fruits is as high as 163mg/100g, and the VE content of fresh fruits is 9.3L|g/100g fresh fruits, which is several times higher than other fruits such as apples and grapes. times or even dozens of times. The total amino acid content is 0.254, which is higher than hawthorn, which is rich in amino acids.

Blueberry fruit has strong medicinal value and nutritional and health care functions. The International Food and Agriculture Organization lists it as one of the five health foods for mankind.

Nutritional value

Blueberries are rich in nutrients. They are not only rich in conventional nutrients, but also extremely rich in flavonoids and polysaccharides. Therefore, they are also called the "Queen of Fruits". and "King of Berries".

1. General nutritional ingredients

Blueberries have delicate pulp, unique flavor, moderate sweetness and sourness, and a refreshing and pleasant aroma. Blueberries are very rich in conventional nutrients such as protein and vitamins, and the content of minerals and trace elements is also considerable. Therefore, blueberries are called the "Queen of Fruits" and it is indeed true!

2. Special nutritional ingredients

1. Anthocyanins

Anthocyanins are a very important plant water-soluble pigment. They are pure natural anti-aging nutritional supplements and are the only ones discovered by humans so far. The most effective antioxidant bioactive agent. The content of anthocyanins in blueberries is very high, and the types of anthocyanins are also very rich. Research has found that highbush blueberries contain as many as 15 types of anthocyanins, although the content of anthocyanins in different varieties of blueberries is different. , but generally the content is relatively high.

2. Total acid and organic acid

The organic acid content in blueberries accounts for more than half of the total acid content. Most of the organic acids are citric acid, and others include ursolic acid, quinic acid, malic acid, etc. It is important to mention ursolic acid. Ursolic acid, also known as ursolic acid, is a weakly acidic pentacyclic triterpenoid compound. It is a functional component of many natural products and has a wide range of biological activities, especially in the field of anti-inflammatory drugs. It plays a prominent role in cancer and other aspects.

3. Phenolic acids

Blueberries contain a variety of polyphenols, of which phenolic acids are an important type. Phenolic acids are a type of phenolic substances that have good nutritional functions and antioxidant and other pharmacological activities. There are more than ten kinds of phenolic acids in blueberries, of which the highest content is chlorogenic acid, also known as coffee tannic acid. Research has found that it has a significant inhibitory effect on various cancers (lung cancer, esophageal cancer, etc.), and its antioxidant effect is also Very powerful.

4. Superoxide dismutase

Superoxide dismutase (SOD) is an acidic metalloenzyme widely present in organisms and an important free radical scavenger in organisms. Its main function is to specifically remove superoxide anion free radicals produced in biological oxidation. It is known as the "health care gold of the 21st century". Blueberries are rich in SOD. Although the SOD content in different varieties of blueberries is slightly different, the overall difference is not significant.

5. Pectin

Pectin is a general term for a type of polysaccharide polymer. Scientific research has found that pectin can effectively remove undigested chyme and other substances from the human body. A variety of toxic and critical substances in the intestines help regulate postprandial blood sugar and intestinal microflora balance, and also play a very good preventive and auxiliary treatment role in a variety of modern civilization diseases. Blueberries are rich in pectin, which is about 1-3 times the pectin content of ordinary apples or bananas.

6. Pterostilbene

Pterostilbene was named after it was first discovered in the red sandalwood plant. In 2004, scientists first isolated pterostilbene from the fruits of berry plants such as blueberries and grapes. Studies have found that pterostilbene also has good antioxidant, anti-cancer, anti-inflammatory and anti-diabetic effects.

The role of pterostilbene in anti-cancer has also attracted great attention. Especially in the anti-colon cancer aspect, pterostilbene has shown very gratifying effects.

In addition to being rich in the above-mentioned nutrients, blueberries also contain substances such as Yunbin tannin alcohol and sodium benzoate. Because of this, the Food and Agriculture Organization of the United Nations has identified blueberries as one of the top five health foods for humans. .

3. Dietary Value

Blueberry is a fruit with very high nutritional value. The pulp is rich in vitamins, proteins, minerals and other nutrients. Among them, blueberries have unique and precious The proportion of anthocyanin pigments in many fruits is very high, and blueberries are rich in protein, dietary fiber, fat, vitamins and other nutrients. These nutrients in blueberries are higher than those in other fruits. Nutrition. Blueberries are also rich in trace mineral elements such as calcium, iron, phosphorus, potassium, and zinc. The proportion of these mineral elements is significantly higher than that of other fruits. So blueberry is a highly nutritious fruit.

Anthocyanins can protect the eyes. The very high content of anthocyanin pigments in blueberries has a very good maintenance effect on human eyes. It can relieve eye fatigue and improve people’s vision. Blueberries not only contain vitamins A, its main component is anthocyanins, which can directly accelerate the synthesis and regeneration of the retina and rhodopsin, making the eyes vibrant and radiant! Japanese biomedical doctor Kazuhiro Nakagawa writes: Medical clinical reports show that the anthocyanins in blueberries can promote Rhodopsin regeneration in retinal cells prevents myopia and improves vision. Blueberries are rich in vitamins, minerals, fiber elements and other nutrients. Eating more blueberries can improve human immunity and improve human quality.

In addition, the rich vitamin C in blueberries can prevent cancer and resist heart disease. Blueberries are rich in pectin, which can dilute human body fat and protect human cardiovascular and cerebrovascular health. In addition, blueberries are rich in antioxidants, which can delay the aging of the human body.

The anthocyanins in blueberries have strong antioxidant properties, which can resist free radicals, delay aging, prevent degenerative changes in cells, inhibit platelet aggregation, and prevent brain lesions, arteriosclerosis and other diseases. At the same time, it can strengthen capillaries, improve blood circulation, weaken the stickiness of platelets, prevent blood clots, enhance heart and brain function, enhance bone density in children, and prevent constipation.

Suitable for all ages, especially for patients with heart disease, 10 to 20 pieces each time.

Do not eat when you have diarrhea; because some components in blueberry juice can cause protein coagulation, it should not be eaten with milk and other dairy products.

IV. Health care value

Bilberry contains a variety of rich amino acids, trace elements, and anthocyanins (the main components are cyanidin-3-galactopyranoside, Paeoniflorin-3-galactoside, cyanidin-3-glucoside), anthocyanins, catechins and other polyphenols. Among them, bilberry anthocyanins have strong antioxidant properties and are good for ophthalmology and heart disease. It has a good curative effect on cerebrovascular diseases and can play a variety of functions such as beauty and health care; the vitamin content is average, but the content of vitamin E and pyridoxine (vitamin B6) is relatively high; flavonoids account for 0.5 of the dry weight. These substances It has the effects of lowering blood pressure, softening blood vessels, preventing arteriosclerosis, lowering blood sugar, and reducing cholesterol accumulation. Moreover, the juice has the ability to decompose carcinogen nitrosamines; the leaves and fruits have astringent and heat-clearing effects, and can be used as medicine to strengthen the stomach, digestion, and stop diarrhea. .

Bilberry can also be used to treat gonotoxic urethritis, cystitis and other conditions. It is rich in copper, iron, zinc, manganese, calcium and magnesium; manganese helps treat kidney disease. Moreover, the content of manganese is higher than that of copper, which helps anti-aging; zinc helps treat chronic kidney disease. For example, uremia patients can alleviate their condition after zinc supplementation. The zinc content of bilberry reaches 81.7 micrograms/g. Therefore it helps in the treatment of kidney disease. Bilberry and Bilberry can be used to treat nerve cell apoptosis induced by oxidative stress, and can protect nerve cells well, and the protective effect of Bilberry is better than that of Bilberry.

The nutritional composition of bilberry leaves is similar to that of fruits and can be developed and utilized as health-care tea. Folks often use the decoction of rhizomes and leaves of bilberry as a mild laxative, or dry and grind it into powder for external application on wounds. Effects of blueberries

1. Protect vision

Studies have found that eating blueberries can reduce the risk of age-related macular degeneration by 38%.

2. Prevent and treat constipation

One cup of fresh blueberries contains approximately 4 grams of dietary fiber, accounting for 14% of the daily intake of dietary fiber. The water-soluble dietary fiber in blueberries can promote intestinal peristalsis and prevent constipation.

3. Enhance immunity

Studies have found that blueberries contain far more antioxidants than other fresh vegetables and fruits. Antioxidants neutralize free radicals in the body and strengthen the immune system.

4. Reduce belly fat

The polyphenols rich in blueberries can break down abdominal fat and help control weight. In addition, blueberries are low in calories and will not cause weight gain.

5. Improve brain power

Dried blueberries as a snack can improve brain vitality. A new study finds that flavonoids rich in blueberries may alleviate age-related memory decline.

6. Good for heart health

Blueberries contain ingredients that can help dilate blood vessels, thereby reducing the risk of blood clots and heart disease. Studies have found that eating more than five servings of blueberries per week can reduce the risk of heart disease.

7. Lower blood sugar

Diabetic patients eating blueberries can help regulate blood sugar levels. Eating 5 servings of low-glycemic index fruits such as blueberries per week for two months can significantly improve blood sugar regulation.

8. Strong bones

Blueberries are rich in trace element manganese, which plays a key role in bone development. Studies have found that children who like to eat blueberries have higher bone density than children who do not eat blueberries.

9. Prevent cancer

The anthocyanins in blueberries can inhibit the growth of tumor cells. Eating half a cup a day can achieve anti-cancer effects.

10. Prevent cystitis

Medicinal value

Blueberries can effectively lower cholesterol, prevent atherosclerosis, promote cardiovascular health; and enhance heart function , prevent cancer and heart disease, can prevent brain nerve aging and enhance brain power; can strengthen vision and reduce eye fatigue. In addition, blueberries can also treat common colds, sore throats and diarrhea.

The juice yield of Dus bilberry is 80-85, the sugar content of the juice is 80-110 g/L, the total acid content is 20-25 g/L, and the tannins are 1.5-2.5 g/L, but it has shortcomings It is easy to stain lips, teeth and skin. Once it is stained with juice, it is not easy to wash off, and it will take a few days to slowly fade. However, decolorization technology has been applied to Tuscan bilberry juice to solve this problem. Dusi fruit wine brewed from fruit juice is purple-red in color, transparent and clear, and has a sweet and sour taste. It is suitable for people with low alcohol consumption.

The fruit vinegar brewed from the pomace left after bilberry juice is rich in nutrients, can regulate metabolic balance, improve the body's detoxification and immunity, and has a strong anti-cancer effect; It has a strong ability to decompose alcohol and has a good hangover effect. It can also control skin oil secretion and has certain beauty and skin care effects. The tannin content of the stems and leaves of bilberry is up to 6, which can be used to extract tannins.