In addition to external tools such as sunscreen and practical umbrella, internal conditioning is also very important for summer sun protection. Here are some common beauty, weight loss and anti-aging foods for your reference. 1, Bitter Melon Bitter Melon has won people's special love for its bitter taste. The nutritional and health care characteristics of bitter gourd are as follows: First, it contains more vitamin C, vitamin B 1 and alkaloids; Secondly, it contains more galacturonic acid and pectin. Bitter taste in bitter gourd comes from quinine in alkaloid. These nutrients have the effects of stimulating appetite, promoting diuresis, promoting blood circulation, diminishing inflammation, reducing fever and refreshing the brain. Modern scientific research has found that substance P, a polypeptide in bitter gourd, is an insulin-like substance with hypoglycemic effect. Xi An Medical University extracted insulin from bitter gourd for export. American scientists also found that bitter gourd contains a kind of protein and lipids, which can stimulate and enhance the ability of immune cells in animals to phagocytize cancer cells, and it can play an anti-cancer role in vivo together with quinine in alkaloids. Although bitter, bitter gourd tastes bitter and cold, refreshing and not greasy. It is refreshing and comfortable to eat in summer, and has the effect of clearing the heart and appetizing. And it will not pass on the bitterness to others, such as roasted fish, bitter gourd braised fish, and fish pieces will never be bitter. So bitter gourd has another name for a gentleman in the dish. If bitter gourd is made into herbal tea to drink in summer, it can make people feel refreshed and quench their thirst in summer. In some areas, bitter gourd is cut and slightly salted to reduce some bitterness and eaten as a vegetable; Some cut bitter gourd into rings and stew it with minced meat, garlic and lobster sauce to make it delicious. Hakka people sang in Shoushan: People say bitter gourd is bitter, but I say bitter gourd is sweet. You can choose whether it is bitter or not. How can it be sweet without suffering? In other words, bitter gourd itself is bitter, but it brings sweet health and happiness to people. 2, tomatoes It is said that hundreds of years ago, tomatoes were still unknown. Later, there was a girl in Peru, suffering from anemia and lovelorn. She wanted to eat a poisonous plant, but her face turned red after she swallowed the tomato fruit. If she eats it again, it will be even more rosy. Instead of dying, she recovered and became more beautiful. What is the reason? Originally, tomato fruit is rich in protein, fat, carbohydrate, gibberellic acid, carotene, vitamin B 1, B2, C and so on. Among them, the content of vitamin C for beauty is equivalent to 10 times that of watermelon, which is simply a vitamin warehouse. It also contains minerals such as calcium, phosphorus and iron that promote the growth and development of teenagers, and lycopene that inhibits the growth of bacteria. With all this, it is strange that Peruvian girls are unhealthy and not beautiful! In recent years, scientists have found that tomatoes also contain glutathione, which is an anti-cancer and anti-aging substance. Clinical trials show that when the concentration of glutathione in human body increases, the incidence of cancer will decrease obviously, so eating more tomatoes can prevent uterine cancer, ovarian cancer, pancreatic cancer, bladder cancer, prostate cancer and so on. At the same time, it can delay the aging of some cells, lower blood pressure and prevent night blindness and gum bleeding. Because eating tomatoes has so many benefits, almost every family in developed countries in Europe and America eats tomatoes for cancer prevention, disease resistance and beauty. When eating tomatoes, you should pay attention to how to eat them. Raw food does not prevent cancer and disease, because tomatoes contain lycopene, which combines with protein and is surrounded by cellulose, so it is difficult to come out, and it will be released only when heated to a certain extent. Therefore, tomato scrambled eggs, tomato egg soup, tomato roasted tofu, tomato fried meat and tomato stir-fried dishes are all nutritious and delicious. Pumpkin contains trace elements such as cobalt, zinc, copper and pectin, which can promote the normal secretion of human insulin, so pumpkin can effectively prevent and treat diabetes. 3. Pumpkins In the era of food shortage, pumpkins once played a great role as a kind of food, but why are pumpkins so popular in today's well-off society? There are three reasons: first, pumpkin is sweet and delicious; Second, pumpkin is rich in vitamin A, which can strengthen mucous membrane, prevent colds, prevent rough skin at the same time, have the effect of beauty and fitness, and also prevent keratoxerosis and night blindness. Modern medicine has found that pumpkin contains trace elements such as cobalt, zinc, copper and pectin, which can promote the normal secretion of human insulin. Therefore, pumpkin can effectively prevent and treat diabetes, hypertension, liver and kidney diseases, enhance anti-anemia and anti-cancer ability, eliminate bacterial toxicity in vivo, reduce the risk of colon cancer, and prevent and treat atherosclerosis. Carrots contain mustard oil and amylase, which can promote the metabolism of fat and prevent excessive fat from accumulating under the skin and getting fat. 4, potatoes related to whitening vegetables, as well as double beans, double beans are potatoes and peas. Potatoes are rich in B vitamins and a lot of high-quality cellulose, as well as trace elements, protein, fat and high-quality starch. Cucumber is rich in protein, sugar, vitamin B2, vitamin C, vitamin E, carotene, nicotinic acid, calcium, phosphorus, iron and other nutrients. At the same time, cucumber also contains malonic acid, cucurbitacin, soft fine fiber and other ingredients, which can clean and whiten skin, eliminate sunburn and freckles, and relieve skin allergies. It is a traditional beauty product. Cucumber contains cucumber acid, which can promote human metabolism and excrete toxins. The content of vitamin C is five times higher than that of watermelon, which can whiten skin, maintain skin elasticity and inhibit the formation of melanin. Cucumber can also inhibit the conversion of sugar into fat, which is very beneficial to lung, stomach, heart, liver and excretory system. Summer is easy to be irritable, thirsty, sore throat or excessive phlegm. Eating cucumber helps to relieve inflammation. 6, melon melon is a beauty product, which has a significant effect on whitening skin. Wipe your face with wax gourd slices every day or often wash your face with wax gourd pulp, which can make your facial skin delicate and reduce chloasma. This may be related to the contents of histidine, urease, vitamins and trace elements in melon meat. Wax gourd has always been regarded as the top grade of slimming and has the reputation of slimming melon. Modern medical circles believe that the slimming effect of wax gourd is mainly due to its rich malonic acid, which can inhibit the conversion of sugar into fat, thus preventing the accumulation of fat in the human body from producing slimming effect. Shennong Materia Medica Classic says that winter melon is good in color, benefiting qi and not starving, and it is suitable for old age after long service. Wax gourd contains trigonelline and propanol diacid, the former can accelerate the metabolism of the body, and the latter can prevent sugar from transforming into fat, thus playing a role in losing weight.