There are many ways to improve vision and combat aging, and blueberries are also very effective in this regard. Blueberries have many health benefits, their fruit is rich in nutrients, and they are designated by the Food and Agriculture Organization of the United Nations as one of the five healthiest foods for humans.
The content of trace elements in blueberries is generally higher than in other fruits. The discovery of the health benefits of its anthocyanins is hailed as one of the most important discoveries in 20th-century nutrition. It has the effect of inhibiting blood sugar elevation. For diabetic patients who need to take hypoglycemic drugs and insulin injections, it not only regulates blood sugar levels and reduces insulin injection doses but also prevents complications caused by vascular diseases such as blindness and foot ulcers.
The main component in blueberries is anthocyanin, also known as anthocyanidin. Its ability to quench free radicals is 20 times that of vitamin C and 50 times that of vitamin E, and its activity in the body is unmatched by other antioxidants. It has reliable safety; for a person weighing about 70 kg, taking 3.5 grams of anthocyanin daily for six consecutive months showed no adverse reactions. Anthocyanins in plants often combine with various monosaccharides to form glycosides, called anthocyanins. The anthocyanins in blueberries have strong antioxidant properties, can fight free radicals, delay aging, prevent degenerative changes in cells, inhibit platelet aggregation, and effectively prevent brain diseases, arteriosclerosis, and other conditions. They can also strengthen capillaries, improve blood circulation, reduce platelet viscosity, prevent blood clots, and enhance heart and brain function.
Relieve eye fatigue, improve vision
Anthocyanins in blueberries are beneficial for maintaining and regulating true myopia, false myopia, and eliminating eye fatigue. They are beneficial for eye fatigue, blurred vision, photophobia, dry eyes, watery eyes, as well as vision decline and presbyopia in middle age; they are beneficial for preventing protein oxidation of the eye lens, lens cloudiness, and cataracts caused by excessive free radicals; blueberry anthocyanins are beneficial for preventing protein oxidation of the eye lens, lens cloudiness, and cataracts caused by excessive free radicals. They have a good effect on diabetic retinopathy.
Delay aging, enhance memory, prevent cancer
Blueberries have a significant improvement and preventive effect on transient amnesia related to aging. They also help improve the central nervous system function of humans and other animals, thereby reversing the slowdown in nerve signal transmission and cognitive decline caused by aging. Blueberry anthocyanins can also act as antioxidants, clear free radicals, and protect more healthy cells from being eroded by cancer cells.
Prevent thrombosis, enhance immunity
Blueberries can eliminate free radicals that harden blood vessel walls, enhance the flexibility of capillaries, promote the elasticity of blood vessels, prevent blood vessel rupture, and also enhance the function of joints and soft tissues. Blueberry fruit is rich in flavonoids, which have the effect of inhibiting platelet aggregation, can prevent thrombus formation, and reduce the occurrence of arteriosclerosis. Anthocyanins in blueberries can activate the immune system, protect immunoglobulins from damage by free radicals, activate macrophages, and enhance the body's immunity.
Prevent diabetic complications
Because diabetics have very high levels of free radicals in their bodies, it increases the risk of developing cancer, cardiovascular diseases, stroke, and other diseases. Long-term supplementation of antioxidants such as anthocyanins can reduce free radicals in the body, have a significant therapeutic effect on the symptoms of diabetes, and also prevent related chronic diseases caused by diabetes. In European and American countries, natural antioxidants such as anthocyanins have been used for a long time to combat severe complications in diabetic patients.