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Why are blueberries so popular? Is anthocyanin valuable?
Aug 28, 2018

Introduction of Blueberry

Blueberry, also known as blueberry, bass, persimmon, Du addiction, persimmon, diamond fruit, bass blueberry, narrowly refers to a group of blueberry subgenus blueberry group (scientific name: Cyanococcus) flowering plants, broadly may include blueberry in the genus blueberry of all species. The plants of these species, native to North America and East Asia, are shrubs ranging in height from 10 cm to 4 m; the dwarf species are called Lowbush blueberries, and the tall species are called highbush blueberries. Leaves may be deciduous or evergreen, ovate to lanceolate, 1 to 8 cm long and 0.5 to 3.5 cm wide.

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Flowers are bell shaped. They are white, peach to red, sometimes with light green tones. The fruit is botanically false, 5 to 16 mm in diameter, with a trumpet-shaped crown at the end; first light green, then red-purple, and finally blue or dark purple, when ripe for harvest. Ripe with sweet flavor and different acidity. Other subgenus of the genus Vaccinium, including other wild shrubs with edible berries, such as cranberries, raspberries, and blueberries. The production season of blueberries is from May to October each year, reaching its peak in July. Vaccinium uliginosum (also known as persimmon and bass) from northern China is often called blueberry.


Blueberries used in jelly, jam and pie will also be baked in muffin. It is one of the ingredients of many snacks and delicacies. Many baked products will be seasoned with artificial blueberries, but in fact, they contain no real blueberry ingredients. Blueberry jam is made from blueberries, sugar, water and pectin. Commodity packaged jam usually contains chemical preservatives, such as citric acid. Top blueberry jam is produced in Canada and the United States, using wild blueberries; it is small and difficult to harvest, but it is stronger when cultivated with better taste. The main producing areas are in Maine, Ontario, northwestern Canada and Saint John, Quebec.


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Nutritional value of blueberries


Blueberry fruit is rich in vitamin E, vitamin A, vitamin B, superoxide dismutase (SOD), arbutin, protein, anthocyanin, edible fiber and rich in potassium, iron, zinc, calcium and other mineral elements, vitamins are higher than other fruits, trace elements are also high, belonging to High amino acids, high copper, high zinc and high iron fruit.



In addition, blueberries contain a lot of anthocyanins, and anthocyanins are very effective.

1. prevention of disease

Anthocyanins scavenge harmful free radicals in the body. Free radicals are one of the important causes of aging and many diseases. It is estimated that about 80-90% of the aging diseases are related to free radicals, including cancer, Alzheimer's disease, Parkinson's disease, skin black spot deposition, cataracts, heart disease and so on. So eliminating harmful free radicals is crucial to maintaining good health and youth.

2. improve vision

Medical reports have shown that anthocyanins in blueberries promote the regeneration of rhodopsin in retinal cells, prevent severe myopia and retinal detachment, and improve vision.

3. Cosmetology

In Europe, anthocyanins are known as "oral skin cosmetics" to prevent the early generation of skin wrinkles. In addition, anthocyanins are also natural sunscreen, which can prevent ultraviolet rays from harming the skin.

4. improve sleep

Anthocyanidins can protect cell membrane from free radical oxidation, have strong antioxidant and anti-allergic functions, cross the blood-brain barrier, protect brain nerves from oxidation, stabilize brain tissue function, protect brain from harmful chemicals and toxins, and thus improve sleep quality thoroughly.

5. strengthen blood vessels and improve circulation

Anthocyanins can improve blood circulation, restore lost microvascular efficacy, strengthen the fragile blood vessels, so that the blood vessels are more flexible. For venous insufficiency, procyanidins can effectively reduce pain, edema, nighttime spasm and other symptoms.


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Storage of blueberries


Blueberry fruit is berry type and has strong storage resistance. Under room temperature of l8-26 C, the fresh fruit in small package (food box) can be preserved for 2 weeks without changing the original flavor. If it is preserved at low temperature, the preservation period will be longer and controlled atmosphere storage can be up to 3 months.

For example, if a large number of blueberries are purchased at a local farm, they are frozen in a single layer of baking panels or pallets for a few hours, determined that they have been frozen, moved into a sealed container, stored in refrigeration until needed and then removed, at least for one year.


http://www.gls-source.com/fruit-and-vegetable-powders/blueberry-powder.html

Source of article: Dietitian net

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