blueberry

Blueberry means blue berry. One is a low shrub, wild and short, with small grains, but a high content of anthocyanins; the second is artificially cultivated blueberries, which can grow to 240cm high, with larger fruits, more water, and relatively low anthocyanin content. There are more than 400 species of Vaccinium plants distributed throughout the world. They are native to and mainly produced in the United States and are also called American blueberries. In my country, they are mainly produced in the Greater Khingan Mountains and Lesser Khingan Mountains, especially in the central part of the Greater Khingan Mountains, and they are all pure wild. Artificial domestication and cultivation have only been successfully carried out in recent years. Blueberry fruits are rich in nutrients. They not only have good nutritional and health effects, but also have the functions of preventing brain nerve aging, strengthening the heart, anti-cancer, softening blood vessels, and enhancing human immunity.

Nutritional value of blueberries

1. The VMA (anthocyanin pigment) in blueberry fruit has a good health care effect on the eyes, can reduce eye fatigue and improve night vision.

2. Blueberries are high in pectin, which can effectively lower cholesterol, prevent atherosclerosis and promote cardiovascular health.

3. Blueberries are rich in vitamin C, which can enhance heart function, prevent cancer and heart disease, prevent brain nerve aging and improve brain power. It also has a certain improvement effect on common colds, sore throats and diarrhea.

4. It has the function of protecting capillaries and anti-oxidation. 5. It delays the aging of brain nerves and enhances memory.

6. It has a good effect in eliminating inflammation in the body, especially for urinary tract infection and chronic nephritis.

7. It has anti-cancer effects.

8. Helps maintain healthy skin and relieve sagging skin and eye bags.

The efficacy and effects of blueberries

1. Improve memory

Blueberries have the highest antioxidant content among all fruits and vegetables, which can improve brain power and reduce Alzheimer's disease. A scientific diet requires anthocyanins, which helps to delay aging. If you choose anthocyanins, blueberries are an important choice. It has the effects of preventing dysfunction, improving short-term memory, and improving the balance and coordination of the elderly.

2. Antioxidant function

Slowing down human aging Natural blueberry anthocyanins are the most effective antioxidants.

Blueberries have the strongest antioxidant capacity, which means eating blueberries can provide more antioxidant power against aging, cancer and heart disease.

3. Enhance your immunity

Blueberries can enhance the body's resistance to infectious diseases. Blueberries are also a high-fiber food, and they contain a lot of potassium. Potassium can help maintain fluid balance in the body, normal blood pressure and heart function, and the calories are only 80 calories. Blueberries are closely related to resisting free radicals, especially reactive oxygen species, which are closely related to various diseases such as cancer, congenital immune system diseases, and cardiovascular diseases.

4. Protect your eyes and enhance your vision

Anthocyanins in blueberries can promote the regeneration of rhodopsin in retinal cells. Anthocyanins in blueberries can promote the regeneration of rhodopsin in retinal cells, prevent severe myopia and retinal detachment, and improve vision. At the same time, it has the ability to accelerate the regeneration of visual purple, which is indispensable for good vision.

5. Anti-cancer function

Blue berries are also a low-calorie food, with 1/2 cup of blue berries containing only 42 calories. The nutrients contained in blueberries are effective against early stage cancers, and the anthocyanins in blueberry fruits are very strong antioxidants.

Medicinal Value of Blueberries

Blueberries can effectively lower cholesterol, effectively prevent atherosclerosis, and promote cardiovascular health. They can enhance heart function, prevent cancer and heart disease, prevent brain nerve aging, and enhance brain power. The medicinal value of blueberries can enhance vision and reduce eye fatigue. In addition, blueberries also have a good therapeutic effect on common colds, sore throats, diarrhea and other diseases. The juice yield of blueberries 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 tannin is 1.5-2.5 g/L. However, the disadvantage is that it is easy to stain the lips, teeth and skin. Once stained with juice, it is not easy to wash off. It takes a few days to slowly fade. However, there is a decolorization technology applied to blueberry juice, which can solve this problem. The blueberry wine brewed with juice is purple-red, transparent and clear, with a sweet and sour taste, suitable for people with low alcohol tolerance. The fruit vinegar made from the pomace left after squeezing the 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, has a good hangover effect, and can control the secretion of skin oil, and has a certain beauty and skin care effect. The tannin content of the stems and leaves of bilberry is 6%, which can be used to extract tannin.

Side effects and contraindications of blueberries

It is especially suitable for patients with poor heart function, especially heart disease patients; Fresh blueberries have a mild laxative effect, so do not eat them when you have diarrhea.

How to make delicious blueberries

Blueberry Jam

raw material:

480g blueberries, 80g sugar, 20g maltose, juice of half a lemon

practice:

1. Wash the blueberries and drain the water. Add 80 grams of sugar into a small pot;

2. Mix sugar and blueberries and set aside;

3. Wait until the sugar melts and the blueberries become juicy;

4. Put the small pot on the stove, bring to a boil over high heat, then simmer over low heat;

5. Stir constantly during the cooking process to prevent the pot from getting stuck. When the soup becomes thick, pour in the lemon juice and maltose, and continue to cook for a while before turning off the heat.

6. After the jam has cooled, put it into a sterilized glass bottle and refrigerate it. Eat it as soon as possible.