"Tree cage smoke suspicion with fire, mountain sunshine like hanging gold," this is the Tang Dynasty poet Zhang Tong praised the poem of grapefruit. Around August 15 of the lunar calendar each year, grapefruit is on the market one after another. Its fruit is big and beautiful in shape, fresh in color and fragrant in skin, rich in Ladybug cells, glittering in juice cells, moderate in sweet and sour, rich in flavor, it is really a good autumn and winter fruit. Because its skin is thick and juicy and easy to store, it also has the name "canned fruit". Grapefruit is round and round, symbolizing reunion and happiness. It is often a good fruit for family reunion in autumn and winter. Because it is the homonym of "grapefruit" and "bless" of "grapefruit", grapefruit is called "bless" and is considered auspicious.

 

Pomelo, Shennong Herbal Classics Collection Annotation, Erya, Tiao, Guangzhi, Lei Pomelo, Tao Hongjing, Pomelo, but also "Hutang", "stinky orange", "stinky pomelo", "Zhuluan", "Xiangluo", "Wendan", "Qitang" and "Wendan" are also known as a variety of nicknames. Foot.

 

Grapefruit, a mature fruit of the Rutaceae evergreen fruit tree, has been cultivated for more than 2500 years. There are more than 40 kinds of grapefruit in China, which are distributed in the middle subtropical and south subtropical regions, and are cultivated in Guangdong, Guangxi, Zhejiang, Fujian, Jiangxi, Sichuan, Hunan and Taiwan. The pomelo fruit is spherical, oblate or pear-shaped; its skin is smooth, pale yellow or orange; its flesh is white or pink. There are many famous grapefruit products in China, such as the crisp and tender residue of Shatian pomelo in Guangxi, sweet and refreshing, famous at home and abroad; Wendan pomelo in Yuhuan County, Zhejiang Province, rich in fragrance, flesh, sweet and sour taste; Cangnan four-season pomelo in Zhejiang Province, soft texture, sweet and sour taste, meat and juice; Pingxi honey pomelo in Fujian Province, rich in flesh, juicy and sweet, fragrant; Ma in Taiwan. Pea pomelo peel is orange, sweet and sour, with a pleasant aftertaste. In addition, Zhejiang Changshan Huyou and Yongjia early Xiang pomelo are also well known.

 

For decades, people have been studying the nutritional value of grapefruit, grapefruit nutrition is rich, every 100 grams of edible part, water content 84.8 grams, protein 0.7 grams, fat 0.6 grams, carbohydrate 12.2 grams, heat 57 kilocalories, crude fiber 0.8 grams, calcium 41 mg, phosphorus 43 mg, iron 0.9 mg, Hu. Carotene 0.12 mg, sulfate 0.07 mg, riboflavin 0.02 mg, nicotinic acid 0.5 mg, ascorbic acid 41 mg.

 

There are many varieties of grapefruit, so the nutrient contents of grapefruit from different places are quite different. For example, the vitamin C content of grapefruit produced in some eastern provinces of China can be as high as 110 mg/100g, and vitamin B1 can reach 1.24 mg/100g, which are more than 10 times higher than apples, pears, bananas and other common fruits. The pomelo's glycemic index, a measure of how high a food's blood sugar level rises in the body, is 25, and its sugar content is not high, at about 15%, so the pomelo is a good fruit for diabetics. Grapefruit is rich in natural minerals - potassium, but almost without sodium, so grapefruit is a good dietary therapy for patients with cardiovascular and cerebrovascular diseases and kidney disease. Grapefruit contains high levels of vitamin C, can help blood cholesterol metabolism, so help to regulate blood lipids in the human body. In addition to some common nutrients, grapefruit also contains a large group of flavonoids, these substances make grapefruit in the human body may play some health effects. Scientists have found more than 60 flavonoids in grapefruit, which have many biological activities in vitro. They have strong antioxidant properties, can remove free radical substances and superoxide substances of the body, have certain anti-aging effect; in vitro experiments found that they have anti-cancer, anti-mutation, prevent the proliferation and proliferation of tumor cells; cardiovascular is also beneficial to improve the permeability of capillaries, prevent Platelet agglutination, which prevents increased blood viscosity and combines with antioxidant properties, can prevent coronary heart disease, and the substances in these grapefruit also have antiallergic effects.

 

Of course, things are divided into two, grapefruit contains these substances in people bring benefits, but also bring us some negative effects, think they can affect the liver CYP4503A4 drug metabolism enzyme, and then cause a series of drug metabolic disorders, and even amplify the toxic side effects of drugs. Effect. If you eat pomelo too much at a time, it will not only damage the liver, but also cause other adverse reactions, and even poisoning, including dizziness, nausea, palpitations, tachycardia, fatigue, blood pressure and other symptoms, especially dangerous is taking the antiallergic drug terfenadine, eating pomelo or drinking pomelo. Sub juice can cause arrhythmia, which can cause cardiac fibrillation and sudden death. There are many other drugs that interact with grapefruit, such as statins, such as lovastatin, Xuezhikang, Shujiangzhi and Lipitor; calcium antagonists, such as nimodipine, nimodipine, nisoldipine, and felodipine; diazepam, such as clonidine and clonidine; antihistamines, such as terfenadine; immunosuppressants. Such as cyclosporine, caffeine, contraceptives and other central stimulants, grapefruit are to make the above drugs to strengthen or invalidate, therefore, take these drugs must not eat grapefruit or drink grapefruit juice, especially in elderly patients.