Do not think that sun protection is only a topic of summer. There are ultraviolet rays in the sunshine all year round. The real whitening sunscreen should start from spring. Although spring temperatures are not high, ultraviolet radiation is not weaker than summer. This season, the global ozone layer has the least content and the UV content is high. In the sunlight, more than 95% of the UVA will impinge on your skin with unbridled light and it is easy to make the skin tan. Coupled with the skin's metabolic cycle is generally 28 days, after the end of March and early April by strong ultraviolet radiation, will appear sunburn in May, therefore, whitening sunscreen is one of the main points of spring skin care. In addition to daily care, it is also possible to use a diet to protect the sun. Here are ten types of foods that are effective against ultraviolet rays and have a lot of sun protection.
1, broccoli
The nutrients in broccoli are not only high in content but also very comprehensive. They include proteins, carbohydrates, fats, minerals, vitamin C and carotene. According to the analysis, every 100 grams of fresh broccoli contains 3.5 grams to 4.5 grams of protein, which is 3 times that of cauliflower and 4 times that of tomato. In addition, the mineral composition of broccoli is more comprehensive than other vegetables, and the contents of calcium, phosphorus, iron, potassium, zinc, and manganese are very rich, which is much higher than that of cabbage flowers belonging to the cruciferous family. Broccoli also has sun protection. Scientists have pointed out that the principle of chemical sunscreens is generally to absorb, block, or disperse UV rays, while cruciferous vegetables such as broccoli contain a compound called isothiocyanate that not only has Anti-cancer effect, but also help to enhance the antioxidant capacity of human skin cells to resist UV damage.
2, tomatoes
Tomatoes are rich in nutrients and are the best sunscreen foods. According to reports, tomatoes are rich in antioxidants "lycopene", its antioxidant capacity is 3.2 times that of carotene, vitamin E 100 times, can effectively protect cell DNA from free radical damage, promote cell growth and regeneration, maintenance Skin health. Studies have shown that daily intake of 16 mg of lycopene reduces the risk factor for sunburn by 40%, and ripening tomatoes have better sunscreen protection. At the same time, tomatoes are rich in vitamin C and are also very helpful for sun protection. A recent study in Germany found that in addition to fresh tomatoes, eating tomato ketchup can also significantly reduce the risk of sunburn. Therefore, if you do not want to be tanned, you may wish to eat more tomatoes.
3, 枸杞
It is rich in nutrients, rich in Lycium barbarum polysaccharides. Lycium barbarum polysaccharides is a water-soluble polysaccharide, and it is the most important active ingredient in earthworms. The relative molecular mass is 68-200, which has become a research hotspot at home and abroad. Among them, the most studied are immunomodulatory and antitumor effects of Lycium barbarum polysaccharides. Many studies have shown that wolfberry polysaccharides have the effects of promoting immunity, anti-aging, anti-tumor, scavenging free radicals, anti-fatigue, anti-radiation, hepatoprotective, and reproductive functions. Not only that, a number of animal experiments have found that wolfberry helps prevent UV-induced oxidation and relieve sunburn-induced dermatitis and edema.
4, curry
The main ingredients of curry are turmeric powder, Sichuan pepper, star anise, pepper, cinnamon, cloves and coriander seeds, which contain spicy spices, can promote the secretion of saliva and gastric juice, increase gastrointestinal motility, increase appetite; curry within the curcumin is A polyphenolic substance that prevents UV-induced cell damage and apoptosis to achieve skin care. Not only that, curcumin is also a phenolic antioxidant that helps control blood fat and promotes calorie production, and has a preventive effect on cardiovascular disease. According to the American Association for Cancer Research, curcumin also has the function of initiating hepatocytes and inhibiting cancer cells, and it can play a role in the prevention of liver diseases and cancer, and is beneficial to the prevention of Alzheimer's disease. In addition, curcumin can also accelerate wound healing and reduce scar formation.
5, olive
Olives are highly respected beauty products since ancient times, especially good quality extra virgin olive oil. Whether it is used in moisturizing hair or anti-aging sunscreen, the effect will definitely surprise you. Vitamin E is a commonly used antioxidant. As a fat-soluble natural antioxidant, vitamin E captures free radicals, protects cell membranes from oxidative damage due to sun exposure, high temperatures, pollution, and pressure, locks in water in cells, and suppresses freckle. Melanin formation. Olive oil is a good source of vitamin E. Not only that, olive-rich polyphenols and lipopolysaccharides also have radiation protection effects, and can effectively cope with the problem of dry skin caused by intense UV irradiation. Names.
6, pomegranate
Pomegranate juice is rich in antioxidants, such as soluble polyphenols, tannins, anthocyanins, etc. It has anti-atherosclerotic properties. Phenolic compounds identified in fresh pomegranate fruit juice include gallic acid, protocatechuic acid, chlorogenic acid, caffeic acid, ferulic acid, coumaric acid, catechins, phloridzin, quercetin, etc. Ethanol extract of pomegranate flower, the results show that its effective antioxidant activity is extremely high and has liver protection. And, a substance called ellagic acid in pomegranate is the main source of its antioxidant capacity, it can block the proliferation of free radicals, and counteract the skin aging caused by many elements such as sunlight and pollution. By the way, the anti-radiation ability of this ellagic acid is also quite strong
7, cherry
Cherry juice can help activate cells and beautify the skin. It is a favorite of many beauty products. Cherry is extremely rich in iron, which is rumored to be 13 times that of a mountain and 20 times that of an apple. In addition to high iron content, it is also rich in vitamin A, can balance the secretion of the cortex, delay aging, and vitamin C make facial skin tender and white, effectively resist the formation of melanin and wrinkle stain effect. In addition, the acid contained in cherries can also promote the formation of stratum corneum, can effectively resist the damage of ultraviolet rays, and the effect of sun protection is evident. For a friend who wants beauty skin care, you can eat more cherries.
8, grapes
Ultraviolet rays are the biggest killer of the skin and cause skin aging, sunburn, and even skin cancer. Researchers at the University of Barcelona and the National Research Council of Spain observed the chemical reaction of the skin under the sun's ultraviolet radiation - UV radiation to the skin activates active oxygen, which causes DNA to oxidize, which in turn activates enzymes that destroy skin cells. The presence of flavonoids in the grapes can prevent the chemical reaction from occurring, leaving skin cells free from damage. According to Marta Cascante, a biochemist at the University of Barcelona who directs the research project, grapes prevent sunburn and even prevent skin cancer.
Grapes are rich in grape polyphenols and resveratrol, they have a high antioxidant capacity, can effectively trap free radicals in the body, delay aging. Grape skin, especially purple grape skin also contains the flavonoids needed by the human body, can reduce blood pressure, prevent atherosclerosis, the French like to drink red wine will be derived from this health.
9, watermelon
92% of watermelon is water, its water content is second to none in fruit. In addition to the rich vitamin C, watermelon juice and citrulline, arginine, malic acid, phosphoric acid and other amino acids with skin physiological activity, these ingredients on the skin nutrition and whitening effect are good. In addition, because the content of lycopene in watermelon is very high, it can reduce the destruction of ultraviolet rays on the skin, help the tissues to heal faster with the help of lycopene, reduce the pain after sunburn, and have the effect of sun protection. Watermelon is rich in potassium, which can quickly replenish the body's loss of potassium, avoid the resulting muscle weakness and fatigue, and drive away burnout. Potassium is also one of the essential elements for beautiful legs. Eat watermelon, drink watermelon juice, and get beautiful legs.
10, grapefruit
Grapefruit is one of the most nutritious fruits and vegetables, rich in dietary fiber and vitamin C. Dietary fiber can help cleanse the intestines, while vitamin C is very effective for skin whitening. It is a combination of disease prevention, health care and beauty. Grapefruit contains valuable natural vitamin P, rich in vitamin C and soluble cellulose. Vitamin P can enhance the function of the skin and pores, and is conducive to skin care and beauty. Vitamin C can participate in the synthesis of human collagen and promote the production of antibodies to enhance the body's detoxification function. In addition, if you apply grapefruit juice to your face, you can soften dry skin and eliminate local wrinkles. If you love to travel and fear tanning, try eating more grapefruit to protect yourself from UV rays and whiten your skin.
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