The dog days are coming. These plant extracts can relieve the heat

It's the third dog day (from July 12) that is the hottest, humid and sultry day of the year During this period, people's closest partners will always be air conditioning, iced watermelon and iced beer But it can't be done by air conditioning, watermelon and beer, and it's bad for your health if you use too much Next, let Xiaobian introduce some natural functional materials for heatstroke prevention and relief Mung bean extract mung bean is one of the most common legumes In the hot summer, mung bean soup is almost a necessary remedy for every family Although there is no clinical scientific evidence that mung bean can treat any disease, according to the compendium of Materia Medica, mung bean has the same function of detumescence and pox treatment as mung bean, but the power of pressing heat and detoxification is too much Moreover, it can nourish Qi, thicken the intestines and stomach, pass the channels, and avoid long-term use of dry people It is found that there are more protein in mung bean than in chicken, 7 times of calcium, 4 to 5 times of iron, and rich in vitamin B, C, carotene, etc In traditional Chinese medicine, mungbean can be used as medicine, which has the functions of clearing away heat, relieving summer heat, clearing blood and diuresis, clearing eyes and reducing blood pressure It is a rare "good Valley for benefiting the world" Mung bean contains tannin and other antibacterial ingredients, which has the effect of local hemostasis and promoting wound repair; among them, plant sod has a good anti-aging function; and it can effectively fight against inflammation and acne caused by fire, so people often drink mung bean soup to eliminate acne Chrysanthemum extract chrysanthemum is one of the top ten famous flowers in China It has been cultivated for more than 3000 years in China It is called "four gentlemen" together with plum, orchid and bamboo in Chinese classical literature Chrysanthemum has a certain edible value In the Warring States period, some people ate fresh chrysanthemum In the Tang and Song Dynasties, there are records that people took fragrant plants to make their bodies emit fragrance There are more than 30 species of chrysanthemum Because of different producing areas and varieties, there are some differences in chemical composition Zhejiang chrysanthemum, Henan Huaiju, Anhui Chuju and Boju are the most famous Studies on the chemical constituents of chrysanthemum collected in Pharmacopoeia showed that the main chemical constituents of chrysanthemum are flavonoids (e.g coumarin, apigenin, luteolin, quercetin, etc.), triterpenoids and volatile oil There are many kinds of chrysanthemum The flower heads can be used as medicine They taste sweet and bitter, slightly cold, disperse wind, clear heat and detoxify, that is, chrysanthemum Tea chrysanthemum can be mixed with tea or drunk alone after scenting Drinking tea made from chrysanthemum can not only effectively regulate the excess of liver fire, prevent heatstroke and reduce heatstroke, but also has certain effect on the symptoms of numbness and pain of limbs caused by various reasons Lotus leaf extract lotus belongs to water Liliaceae, lotus is one of the earliest angiosperms Lotus leaves contain a variety of alkaloids, such as roemerine, Pronuciferine and nuciferine, as well as vitamin C and polysaccharide The lotus leaf is green and fragrant, which is often used as raw material in traditional Chinese medicine diet Lotus leaf has the functions of clearing away heat and dampness, promoting hair and clearing Yang, cooling blood and hemostasis, etc It has the functions of clearing heart fire, calming liver fire, purging spleen fire, lowering lung fire, clearing heat and nourishing spirit, regulating endocrine and improving microcirculation of human body Balsam pear extract was not recorded in medical books before the Ming Dynasty The Ming Dynasty's "saving the wasteland" and "compendium of Materia Medica" were included It is suspected that Zheng He transplanted it from the Nanyang islands when he went to the West In Qing Dynasty, according to the diet of living with rest, balsam pear is bitter and cold when it is clear; it can clean the heat, clear the eyes and clear the heart, and can be pickled with sauce Ripe color is red, sweet taste is flat, nourishing blood and liver, moistening spleen and kidney Balsam pear is the best when its color is green and yellow It has the effect of clearing away heat and heat Balsam pear contains protein, fat, dietary fiber, carbohydrate, carotene, retinol, thiamine, riboflavin, niacin and other nutrients, as well as vitamin C, vitamin E, potassium, sodium, calcium, magnesium, iron, manganese, zinc, copper, phosphorus, selenium and other vitamins and minerals Summer is the season of acne When summer comes, the temperature suddenly rises, the body perspires a lot, the sebaceous glands secrete sebum, and the clothes are airtight or rub with the body, which leads to the eruption of acne Balsam pear has a good preventive effect on heatstroke, hot boil, excessive prickly heat and other symptoms Watermelon and watermelon are almost the fruits that every family must eat in summer Li Shizhen pointed out in compendium of Materia Medica that watermelon, also known as cantaloupe, is the best one to relieve summer heat due to its cold nature Watermelon is a treasure Watermelon juice contains citrulline, alanine, glutamic acid, arginine, malic acid, phosphoric acid and other amino acids with skin physiological activity, as well as important metabolic components such as adenine, and nutrients such as sugars, vitamins and minerals, which are most easily absorbed by the skin, moistening the face skin, sunscreen and whitening Cut the remaining watermelon skin into thin slices and stick it on the face It has the effect of soothing, calming and hydrating Frozen watermelon skin calms and cures sunburned skin Green tea extract is hot in summer, people sweat a lot, body fluid consumption is large Ancient Chinese medicine believed that drinking more green tea in summer had the effect of relieving summer heat and health care As the "national drink" of our country, a large number of modern scientific researches have confirmed that green tea does contain biochemical components closely related to human health, which have the pharmacological effects of refreshing and refreshing the heart, clearing away heat, relieving summer heat, promoting body fluid and relieving thirst U.S research has found that ultraviolet rays in the sun can stimulate the skin to produce a large number of peroxides, making the skin rough and inelastic The researchers asked volunteers to apply catechins extracted from green tea and placebo, which had no effect at all, to stand in the hot sun The results showed that the content of peroxides in the skin of the people who applied catechins in advance decreased by a quarter to a third compared with the other group, which proved that the green tea extract had sunscreen effect The study further found that if drinking green tea, its sunscreen effect is often the same as that of applying green tea skin care products Ginger extract Wang Anshi "word said" cloud: Jiang Nengqiang against all evils, it is called ginger The plant that can resist Baixie contains volatile oil (mainly ginger alcohol, gingerene, carvone, citral, linalool, etc.), gingerol (decomposed into gingerone, gingerone, etc.), aspartic acid, glutamic acid, aspartic acid, serine, glycine, threonine, alanine, etc In hot summer, because the secretion of human saliva and gastric juice will be reduced, it will affect appetite If you eat a few pieces of ginger before meals, it can stimulate the secretion of saliva, gastric juice and digestive juice, increase gastrointestinal peristalsis, and increase appetite In addition, ginger can also play an exciting, sweating, cooling, refreshing role For general hot summer performance, such as dizziness, palpitation, chest tightness, nausea and other symptoms, appropriate drink ginger soup is very effective The traditional Chinese heatstroke medicine, Ren Dan (mainly composed of peppermint ice, talcum, catechu, clove, xylem, fennel, Amomum, tangerine peel, etc.), has the effect of clearing away heat, relieving heatstroke, avoiding pollution and stopping vomiting, which is a commonly used summer heatstroke medicine), contains ginger Agastache cablin is a kind of perennial herbaceous plant in Labiatae, which is widely distributed and rich in carbohydrate, calcium, vitamin A and iron It can cure heat and dampness It has effect no matter cold or hot Huoxiang is also the main component of Huoxiang Zhengqi water (mainly composed of Poria cocos, big belly skin, perilla leaf, Angelica dahurica, orange skin, Platycodon grandiflorum, Atractylodes macrocephala, Cortex Magnoliae, Pinelliae, liquorice, etc.).