Eyes is the most important organ in the human senses, about 80% of the knowledge and memory in the brain were obtained through the eye. Eyes is for most of the information source, the subtle changes in the eyes is often express emotion and reflect the person's inner beauty and outer beauty window, so the eyes are "the Windows of the soul" the laudatory name.
Scientific name cranberries, blueberries are native to North America, is one of the rare blue foods on earth. The wild blueberry resources in China are mainly distributed in the greater hinggan mountains and area of small xing anling. The big xingan mountain virgin forest, known as "alpine zone, where the lowest temperature reached 53 ℃ below zero, the underground is a perennial not under 70 cm of the permafrost. Blueberry perennial root growth in permafrost, the fruit nutrition is rich. During the second world war, the royal pilots every night before a mission to eat cranberry, blueberry) of Europe, its operational capabilities significantly higher than that of rivals, cranberry, blueberry) in Europe has also become the pilot the indispensable food for breakfast, this tradition continues today. Blueberry with unique flavor and nutritional health care functions, because be the fao listed as one of the five human health food. European cranberry, blueberry) so is known as "fruit of the lenses.
In modern society, with the television, cars, and the computer's widespread popularization, work and life pressure increases, eye fatigue and related eye more and more. Scientists found that the eyes of most problems can be traced back to the blood circulation of eye problems. Diabetes patients, due to their absolute or relative lack of insulin secretion, leading to blood sugar concentration is too high, make the blood vessels in the inside and outside osmotic pressure out of balance, the substances in the blood saturation, and deposition in the retina, resulting in eye diseases of diabetes complications, such as retinal hemangioma, retinal hemorrhage, dacryocystitis, glaucoma, cataract, vitreous body turbidity, optic atrophy, macular degeneration and retinal detachment. Medical statistics show that 27.3% of people with diabetes can appear fundus complication, serious threat to visual acuity of the incidence of diabetic retinopathy was 6% ~ 6%. Visible, treatment of diabetic eye disease plays an important role in diabetic patients.
The United States department of agriculture human nutrition research center researchers compared 40 antioxidant activity of many kinds of fresh fruits and vegetables, blueberries are found in all samples with the highest antioxidant capacity. Blueberry antioxidant effect can be significant in the body by scavenging free radicals, strengthen the flexibility of capillaries, promote the blood circulation of eyes, retinal disease caused by diabetes and diabetes has a good effect. Blueberry anthocyanins can effectively prevent free radicals caused by excessive eyes of protein oxidation, lens turbidity, lens cataract, etc. Excessively with eyes, at the same time, to cause eye fatigue, blurred vision, afraid of light, dry eye, tears had a curing effect. According to the United States and Japan research data published in 1999, blueberry fruit extract can accelerate rhodopsin, improve dark night blindness or indications.
Including cyanine glycosides powder for blueberry extract more than 25% of the raw material had been used in medical supplies. In 1976, the Italian first used in the manufacture of pharmaceutical tegens, a contains 80 mg of cyanine glycosides and 125 mg of ethylene glycol; In 1995, France, Italy, New Zealand has developed more readily availability of tablet, these products are used as eye disease agents in Europe or health care drugs, effect is widely recognised. Nowadays, eating blueberries has become a fashion in Europe and America.
Blueberry flower pigment chemicals in addition to the effect of treatment and prevention of all kinds of eye disease, and also has antioxidant activity, can remove the hardening of the arteries of free radicals, strengthen capillary flexibility, scalability of blood vessels, prevent hemal rupture. Blueberry fruit are rich in flavonoids substances, can inhibit platelet coagulation effect, can prevent thrombosis, reduce the happening of arteriosclerosis. Blueberry of instantaneous memory associated with aging have obvious improvement and preventive action.
Blueberry many functions due to high fruit content of natural pigment. A study in the United States of blueberry anthocyanin was the highest of all the content in fruit and vegetables.