Evergreen trees of Citrus in Rutaceae. Is the most representative citrus fruit tree. Including two basic varieties: sweet orange and sour orange. The branches are prickly. The leaves are long and oval, the petiole is long and the wings are developed. Flowers solitary, clustered or racemose, white, reflexed. Seeds oblong or ovoid with ribbed surface. Sweet orange is also called orange fruit. Originated in southern China, it is distributed in southern provinces and cultivated in Sichuan, Guangdong, Taiwan Province and other provinces. 65438+ was introduced to Europe from China at the beginning of the 5th century and to America at the end of the 5th century. The fruit is round to rectangular, orange-yellow, with raised oil cells and the peel is not easy to peel off. No bitterness. The central column is full; The juice tastes sweet and fragrant. It contains a lot of sugar, a certain amount of citric acid and rich vitamin C, and has high nutritional value. Fruit also contains vitamin P, which has high medicinal value. In China, young fruits and fallen fruits can be dried and used as medicine. Storage and transportation resistance. The maturity varies greatly, which can prolong the supply period of fresh fruit and processing raw materials. Sweet orange varieties can be divided into early, middle and late maturity according to fruit maturity. According to the shape and characteristics of fruit, it can be divided into the following four varieties: ① Common sweet orange. The fruit is generally round and orange, with no navel at the top and no ring marks in the middle. This is the most abundant kind of sweet orange. 2 sugar orange. Also known as acid-free sweet orange, the fruit shape is similar to that of ordinary sweet orange. Because the acid content is extremely low, the juice can be harvested and marketed when it reaches a proper level, and it is a very early-maturing sweet orange variety. In the Mediterranean coast and Brazil and other places have a small amount of production, supply the local market. 3 blood orange. Both pulp and juice are purplish red or dark red. The pulp is tender and juicy with unique flavor, and the Mediterranean region is its origin and main producing area. 4 navel orange. It is characterized by a navel at the top of the fruit, that is, an underdeveloped small fruit is embedded at the top of the fruit. Seedless, crisp and tender, with strong sweetness and slightly sour taste, eating oranges has many benefits. Oranges have high nutritional value. In addition to providing vitamins A and C, oranges also contain an acidic substance called "citric acid", which can prevent arteriosclerosis and relieve fatigue. Regular consumption is not only good for health, but also keeps you young. However, some people often think that eating too much will turn sour. But in fact, acid will be decomposed into water and carbon dioxide after entering the body, leaving only substances that are helpful to the body, such as vitamin B, vitamin C and alkaline citric acid. So it's not bad for your health. How to choose delicious oranges? When shopping, you should first choose the color of the peel, orange or deep yellow orange, which is shiny, indicating fresh maturity. Secondly, you should avoid choosing too mature light yellow, or too astringent green, and fruits with holes in the peel. If you can hold it in your hand and measure the firmness of the touch, you will find some oil flowing out of the orange peel as long as you gently pinch the skin; Or smell the fragrance through the peel, then it must be a juicy and delicious orange! Although oranges have the function of warming the stomach and relieving cough, you should avoid eating too much, so as not to get angry if you eat too much! Oranges are sour and sweet, but they are very cold. It can clear away heat and quench thirst, strengthen stomach and promote qi circulation. Beside the white collaterals, besides orange meat, it also has the functions of dredging collaterals, promoting qi circulation and resolving phlegm. Health care function of oranges: (1) Regular consumption can prevent cancer: a medium-sized orange can provide people with vitamin C for one day and improve the body's ability to resist bacterial invasion. Oranges can scavenge free radicals harmful to health and inhibit the growth of tumor cells. Among all fruits, citrus contains the highest antioxidant substances, including more than 60 flavonoids and 17 carotenoids. Flavonoids have anti-inflammatory, blood vessel strengthening and blood coagulation inhibiting effects. Carotenoids have a strong antioxidant effect. These ingredients make oranges inhibit the occurrence of various cancers. (2) The content of vitamin C in oranges is very high, and it has always been a favorite fruit of many people. But for women, eating more oranges has an unexpected benefit, which is to reduce the incidence of gallstones. It is because estrogen can make cholesterol accumulate more in bile, leading to high cholesterol concentration and the formation of stones. Oranges will play an obvious role in reducing the occurrence of gallstones. Because vitamin C in oranges can inhibit the conversion of cholesterol into bile acids in the liver, so that the concentration of cholesterol in bile is reduced, and the chance of their aggregation to form gallstones is correspondingly reduced. In addition, pectin contained in orange peel can also promote food to pass through gastrointestinal tract, so that cholesterol can be excreted with feces more quickly, thus reducing the absorption of cholesterol. People with gallstones can have a good therapeutic effect besides eating oranges and soaking in water. (3) Oranges, also known as "yellow fruits" and "golden rings", can be divided into sour and sweet. After a full meal, drinking a glass of lime juice can relieve greasy, digestion and stagnation, and has the magical effect of quenching thirst and sobering up. Its pulp is moderately sweet and sour, and its aroma is rich. Oranges contain vitamins A, B, C, D, citric acid, malic acid, pectin and other ingredients. Vitamins P and C can enhance the toughness of capillaries. Pectin can help lipid and cholesterol excrete as soon as possible and reduce the absorption of exogenous cholesterol, so it has the function of lowering blood lipid. Oranges are sour and cool, and have the medicinal effects of promoting qi circulation and resolving phlegm, invigorating spleen and warming stomach, helping digestion and stimulating appetite. In developed countries, the pursuit of natural food, without adding any water, pay attention to the original flavor, and often make oranges into juice, which is an essential first-class drink for every meal. Orange peel, also known as yellow peel, contains a lot of carotene besides the ingredients in the pulp, which can be used as a flavoring agent for strengthening the stomach and fragrance. Orange peel also contains a certain amount of orange peel oil, which is effective for chronic bronchitis. (4) pay attention. It is recommended not to eat too much at a time, but to eat often. Chinese medicine believes that some people are not suitable for eating oranges. For example, people with dry mouth and throat and less red tongue coating. Traditional Chinese medicine believes that this is caused by insufficient liver yin, and eating too many oranges is more likely to hurt liver qi and cause deficiency heat. Other health wonders of oranges: orange juice 1. Salty orange juice-drink orange juice after physical exercise. Rich fructose can quickly replenish physical strength, and up to 85% water can quench thirst and refresh. Especially remind orange juice to drink immediately after squeezing, otherwise the oxygen in the air will quickly reduce its vitamin C content. Add some salt to drink, the effect is more obvious. 2. orange juice makeup remover-deep cleaning: wipe the facial skin with a towel dipped in orange juice, fully absorb it for 5 minutes, and then wash it with water, which can not only remove makeup, but also thoroughly clean facial dirt and grease, and play a role in deep cleaning. Even sensitive skin can be used with confidence. But special reminder, try to avoid sun exposure after cleaning the skin with orange juice. Orange seed 3. Orange seed mask-2 teaspoons of orange seeds are ground into powder with a blender and made into a paste mask with distilled water. Applying 1 ~ 2 times a week can improve the resistance of skin capillaries and achieve the purpose of firming the skin. People with sensitive skin can do a skin test first, apply the self-made mask behind their ears and wash it after 5 ~ 10 minutes. If you don't feel uncomfortable, you can use it with confidence. 4. Orange seed powder-cure rheumatism Put the dried orange seeds into the pot and fry them. Be careful not to fry, fry oil as much as possible. Pulverize the fried orange core into powder, and take it with boiling water, 3 ~ 5g each time, and drink it after meals. Long-term persistence can treat rheumatism to some extent. & ampe825 orange petals 5. Orange petal salad-enhance immunity orange petals contain almost all the nutrients that fruits can provide, which can enhance human immunity, promote the recovery of diseases and accelerate the healing of wounds. In particular, it can supplement dietary fiber and help defecation. Smokers are especially reminded to eat more oranges, and patients with gastritis and gallbladder disease should eat oranges carefully. 6. orange flap eye mask-replenish eye moisture. cut orange flap into thin slices and use it as eye mask. Gently press with your fingers to help absorption, which can promote blood circulation, effectively replenish eye moisture and play a long-term moisturizing effect. Orange peel 7. Orange peel massage-eliminate orange peel tissue orange peel has outstanding anti-"orange peel tissue" function Take14 clean orange peel, soak it in olive oil, then massage the corresponding orange peel tissue on the body, squeeze out the juice evenly during massage, and then wash the skin with clear water. 8. orange peel scrub-orange peel can grind off dead skin, and is rich in flavonoids and vitamin C. It can also promote skin metabolism and improve the resistance of skin capillaries. Slice fresh orange with skin, put it in gauze, and rub it directly on rough parts such as elbow, knee and heel to remove dead skin. 9. Orange peel sachet-hypnosis, mosquito repellent The orange peel is wrapped in plain cloth to make a sachet, which can hypnotize and repel mosquitoes when placed next to the pillow. Put it in the bathroom, kitchen or refrigerator, it can remove the odor and keep the air fresh. 10. Orange peel bath-adding a small amount of freshly cooked orange peel soup can bring refreshing fragrance, better coordinate free radicals, and help keep skin moist and tender, especially suitable for use in dry autumn. 1 1. Orange peel drink-Softening blood vessels Put 30 grams of clean fresh orange peel into 1 liter of water and boil for 15 minutes to make orange peel drink. The orange peel beverage is slightly bitter, and the hesperidin contained in it can soften blood vessels and reduce blood lipids, and can prevent cardiovascular diseases if drunk daily. Drinking a cup before meals can also stimulate appetite. & ampe825 Orange Honey-Cough Hypnosis Take a spoonful of orange honey and mix it with warm water to relieve the symptoms of nervous cough. Orange honey can also hypnotize and improve mild sleep disorders, and the best effect is to add hot milk before going to bed. In addition, drinking orange honey is also helpful for abdominal pain and diarrhea. 13. orange blossom tea-promotes digestion and absorption. Drink orange blossom tea after meals. Sweet and sour golden tea can promote digestion and absorption. In addition, orange blossom tea also has the function of relieving tension and anxiety, and is suitable for drinking during work breaks. 14. Neroli essential oil massage-calming and relaxing Neroli can stimulate parasympathetic nerves and has a calming and relaxing effect. Adding 3 drops of Neroli essential oil to 50 ml of base oil for body massage, or directly dropping 3 drops of essential oil into the aromatherapy device, can effectively relax the body and mind and relieve stress. 15. 17 century Italian queen neroli, with elegant taste, once rubbed neroli on gloves, clothes and shawls to make it play the role of perfume. Allah can drop a few drops of neroli essential oil on cotton, wrap it in paper towels and put it in the closet; When washing clothes, you can also drop a few drops of neroli essential oil in the water; Or when the neroli essential oil is mixed into a steam iron to iron clothes. Wear clothes with orange blossom fragrance, and your body and mind will be relaxed. 16. Neroli essential oil spray-reference for relieving anxiety:
/Health/Angelababy /06/4/ 10 1.html