Blueberries are low in calories and rich in nutrients

Blueberries have high nutritional value and are also suitable for dieters.

Blueberries, which are called “North American Sapphire”, are not only delicious but also contain high nutritional value. It is also very suitable for dieters because it has low calories, low glycemic index (GI value) and rich dietary fiber. In addition to these features, blueberries have many beneficial effects on the body. Here are benefits of blueberries.

Benefits of blueberries

Prevent aging

The aging of the human body is simply the aging of cells, and the root cause of cell aging is due to DNA damage. In human cells, general metabolic activities and environmental factors can cause DNA damage. A large amount of DNA damage will reduce the speed of DNA repair and accelerate aging. Many studies have shown that blueberries and blueberry juice can help reduce DNA damage, because blueberries have high antioxidant content, which can neutralize some free radicals that damage DNA.

Protect the cardiovascular system

Oxidative damage is not limited to cells and DNA. When bad cholesterol (low-density lipoprotein cholesterol) is oxidized, bad cholesterol will slowly accumulate on the walls of blood vessels, leading to cardiovascular disease. The antioxidants in blueberries can reduce the risk of cardiovascular disease by preventing bad cholesterol from being oxidized.

Improve memory

Oxidative stress accelerates the decline of the brain, and may also cause aging mental illnesses such as dementia, which has a negative impact on brain function. The anthocyanins contained in blueberries help protect brain nerves and improve memory. In a study, nine elderly people with mild cognitive impairment drank blueberry juice every day. After 12 weeks, several indicators of their brain function improved.

Prevent urinary tract infections

Certain active substances contained in blueberries help prevent bacteria from binding to the bladder wall, thereby preventing urinary tract infections. And the anthocyanins contained can protect the urinary tract mucosa, help adjust the body’s immunity and antibacterial power.

Improve vision

Water-soluble anthocyanins can cross the retinal barrier and reach the macular area of ​​the eye. It has a unique effect on the maintenance of the eye against light. It also has an antioxidant function and helps improve the blood microcirculation of the eye.

Prevent diabetes

Studies have shown that the anthocyanins in blueberries can improve insulin sensitivity and lower blood sugar levels, help prevent or improve type 2 diabetes, and may also have the effect of inhibiting inflammation in the body.

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