1, eat more melons
The summer temperature is high, and the human body loses a lot of water, so it must be replenished in time. The water in vegetables is natural, clean, nutritious and bioactive water filtered by multi-layer biofilm. The water content of melons and vegetables is above 90%. The water content of wax gourd ranks first among all vegetables, reaching 96%, followed by cucumber, melon, loofah, bergamot, pumpkin, bitter gourd and watermelon. Eating 500 grams of melons and vegetables is equivalent to drinking 450 ml of high-quality water. All melons and vegetables have the function of lowering blood pressure and protecting blood vessels.
2. Eat more cold vegetables
The most important factor affecting human body in summer is the poison of summer dampness. Eating some cool vegetables is conducive to promoting fluid production and quenching thirst, relieving summer heat, clearing away heat and purging fire, expelling toxin and relaxing bowels. Cucumber vegetables, except pumpkin and cucumber, are warm, and others, such as bitter gourd, loofah, cucumber, vegetable melon, watermelon and melon, are cool vegetables. Tomato, eggplant, celery, chrysanthemum brain, sunflower (purple leaf), lettuce, asparagus, watercress, cold potato, etc. It is also a cold vegetable.
Step 3 eat more "sterilized" vegetables
Summer is a season of frequent human diseases, especially intestinal infectious diseases. Eating more "sterilized" vegetables can prevent diseases. This kind of vegetables include: garlic, onion, leek, green onion, leek, green garlic, garlic sprout and so on. These onion and garlic vegetables are rich in broad-spectrum fungicides, which can kill and inhibit various cocci, bacilli, fungi and viruses. Among them, the most prominent role is garlic, which is best eaten raw.
Different effects of specific vegetables
1, bitter gourd
First of all, bitter gourd 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 the "polypeptide -P" substance in bitter gourd is an insulin-like substance, which has the function of lowering blood sugar. 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. Moreover, the bitterness will not be passed on to "others", such as bitter gourd burning fish and stewed fish, and the fish pieces will never have bitterness. Therefore, bitter gourd is also known as the "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.
2, loofah
Luffa contains many nutrients, especially saponin, bitter substance of Luffa, mucus, wood glue, citrulline, xylan, interferon, etc., and has certain special functions. Luffa has high medicinal value and can be used as medicine all over the body. Luffa contains protein, fat, starch, sugar, vitamins, carotene, citrulline, saponin, calcium, phosphorus, iron and other nutrients. Luffa has the effects of clearing away heat and resolving phlegm, cooling blood and detoxicating, relieving summer-heat and vexation, and dredging meridians. Indications: fever, thirst, excessive phlegm, asthma, cough, intestinal wind, hemorrhoids, furuncle and toxic swelling, and female breast failure.
3. Green pepper
Green pepper is now a common vegetable in four seasons. But summer is the season when green peppers mature, so green peppers in summer are richer in nutrition and more pure in taste than other seasons. Green pepper is the food with the richest vitamin C content in all vegetables. Vitamin C can improve human immunity and help to resist various diseases. In summer, people catch colds easily and often go out. They have more contact with the external environment and more chances of being infected with the virus, so they need to improve their immunity.
4.eggplant
Eggplant contains more selenium than other vegetables. Peel and shred fresh round eggplant, add proper amount of salt and sesame oil and cool. Selenium has antioxidant effect, can maintain the normal function of human cells, improve immunity, prevent diseases, resist aging, and can also play an anti-cancer role through metabolism in the body.
5. Cucumber
Cucumber contains vitamin C, vitamin B and many trace minerals. Rich in nutrition and crisp and refreshing when eaten raw. From the point of view of nutrition, cucumber skin is rich in nutrition and should be eaten raw. However, in order to prevent the harm of pesticide residues to human body, cucumber should be soaked in salt water 15-20 minutes before being washed and eaten raw. When soaking cucumbers in salt water, don't pinch your head and remove the roots. Keep the cucumber intact and avoid the loss of nutrients in the cut surface during soaking. In addition, cold salad should be cooked and eaten now, and it should not be put for a long time after it is done, which will also lead to the loss of vitamins.
6. tomatoes
Tomatoes are rich in vitamin A, which is beneficial to vision protection and skin repair after sun exposure. Tomatoes are rich in nutrients, such as lycopene, glutathione, potassium, B vitamins, vitamin C, vitamin A and so on. Has the effects of preventing cancer, resisting aging, lowering blood pressure, protecting heart, caring skin, slimming, protecting eyes and improving eyesight. Rich nutrition can be obtained through reasonable cooking and processing, and the more you eat, the healthier you are. The nutritional components of tomatoes are: lycopene, an oxygen free radical that eliminates body oxidation, has anti-aging effect. Pectin is a food ingredient that can accelerate intestinal peristalsis. Glutamate and aspartic acid-can increase the taste of food. Potassium, calcium, magnesium, iron and zinc-minerals that help vitamin absorption. Citric acid and malic acid-promote appetite and eliminate fatigue. Glucose-helps to eliminate physical and mental fatigue. Vitamins-prevent skin from cracking and wrinkling.
7.purplish red
Amaranth is rich in calcium easily absorbed by human body, which can promote the growth of teeth and bones. Amaranth can also maintain normal myocardial activity and prevent muscle spasms (cramps). This is because it is rich in iron, which can synthesize hemoglobin in red blood cells and has the function of carrying oxygen. Rich in iron, calcium and vitamin K, it can promote blood coagulation and hematopoiesis. Eating amaranth regularly can reduce weight, promote detoxification and prevent constipation. Amaranth is sweet in nature. Eating more amaranth in summer has the effects of clearing away heat and toxic materials, treating enteritis and dysentery, dry stool and red urine.
8. Lettuce; lettuce
Lettuce contains dietary fiber and vitamin C, which can eliminate excess fat, so it is also called slimming lettuce. Lettuce is slightly bitter because its stems and leaves contain lettuce, which has the functions of analgesia and hypnosis, lowering cholesterol and adjuvant treatment of neurasthenia. Lettuce contains mannitol and other effective components, which have diuretic and blood circulation promoting effects; Lettuce contains an "interferon inducer", which can stimulate normal cells to produce interferon, thus producing an "antiviral protein" to inhibit the virus.
9.water spinach
Water spinach is an alkaline food, which contains potassium, chlorine and other elements to regulate the water-liquid balance. After eating, it can reduce intestinal acidity, prevent intestinal flora imbalance, and help prevent cancer. This is also a life trick. Nicotinic acid and vitamin C contained in it can reduce cholesterol and triglycerides, and have the effect of reducing fat and losing weight. Chlorophyll in water spinach is called "green spirit", which can clean teeth, prevent caries and remove bad breath, and also strengthen skin, so it is a beauty product. Rich in crude cellulose, it is composed of cellulose, hemicellulose, lignin, mucus, pectin, etc. It has the functions of promoting intestinal peristalsis, relaxing bowels and expelling toxins. Water spinach is cool, and vegetable juice can inhibit Staphylococcus aureus and Streptococcus, which can prevent infection. Therefore, regular consumption in summer can prevent heatstroke and reduce fever, cool blood and detoxify, and prevent dysentery. The content of protein in tender shoots is 4 times higher than that of tomatoes with the same amount, the content of calcium is 12 times higher than that of tomatoes, and it contains more carotene.
10, Chinese cabbage
The function of Chinese cabbage is that it is rich in anti-aging antioxidant components, which can improve immunity and health. Vitamin C and potassium in cabbage are very beneficial to the prevention and treatment of hypertension. Cabbage also contains more vitamin K, which helps to strengthen bones. Chinese cabbage contains a certain amount of vitamin U, which is its biggest feature. It has the function of protecting mucosal cells and has a good clinical effect on the prevention and treatment of gastritis and gastric ulcer. It also has a strong antioxidant effect, which is called "antioxidant" process and anti-aging process in medicine.
1 1, ginger
It has the functions of detoxification, anti-inflammation, dehumidification and blood circulation, and also has certain antibacterial and anthelmintic effects. Therefore, it is possible to treat prickly heat by rubbing the skin with ginger slices.