Grapefruit, also known as Xiangbo, Hugan, Leiyou, etc., is cool in nature, sweet and sour in taste, large and round in shape, symbolizing reunion. At the same time, pomelo is homonymous with Youyou, so it is also one of the fruits in Mid Autumn Festival, commonly known as reunion fruit. Many people like to eat grapefruit, but we don't know the benefits of eating grapefruit? What are the functions and taboos of grapefruit? Let's have a look.
Nutritional composition of grapefruit:
Grapefruit is rich in nutrients, including a variety of vitamins (vitamin A, vitamin P, vitamin E, vitamin B), sugars, carotene, organic acids, protein and essential trace elements such as calcium, magnesium, phosphorus, potassium. According to the determination, every 100g grapefruit contains 0.8g protein, 9.5g carbohydrate, 0.6g fat, 0.4g dietary fiber, 20mg vitamin C, 20mg vitamin A, 84.8g water and B2 03mg, nicotinic acid 0.3mg, nicotinic acid 0.5mg, calcium 4mg, copper 0.18mg, zinc 0.4mg, magnesium 4mg, iron 0.3mg, phosphorus 24mg, riboflavin, sulfate, manganese, selenium, etc. are recognized as one of the most effective fruits in medical field.
Efficacy and function of grapefruit:
Relieving cough and resolving phlegm
There is a record in compendium of Materia Medica that pomelo: "eat, remove the evil Qi in the intestines and stomach, detoxify alcohol, treat the breath of drinkers, do not want to eat, have a weak mouth, resolve phlegm and cough.". In addition to being eaten directly as a fruit, the pomelo can also be made into pomelo tea to drink in water, especially the pomelo peel, whose nutritional value is no worse than the pulp.
Freckle removing and beauty nourishing
The content of vitamin C in grapefruit is very high, which is 2-3 times of lemon and navel orange. Vitamin C can inhibit the synthesis of melanin, weaken melanin deposition and reduce facial spots. In addition, grapefruit also contains vitamin P, which can enhance the capillary function of the skin, help the damaged skin tissue recover quickly, prevent the skin pores from thickening, and make the skin plump and smooth.
Prevention of cardiovascular disease
Grapefruit contains a physiological active substance called naringin, which has analgesic, anti-inflammatory, anti allergic, reducing blood cholesterol, reducing thrombosis, can prevent cerebral thrombosis, stroke and other cardiovascular and cerebrovascular diseases, especially suitable for middle-aged and elderly people.
Israeli scientists have found that eating grapefruit helps lower blood sugar. Because grapefruit has low glycemic index, and naringenin in grapefruit can improve the sensitivity of human body to insulin, balance glucose and insulin levels, prevent weight gain, and keep the weight of diabetic patients in normal range. Therefore, grapefruit is one of the fruits suitable for diabetics.
It's good for losing weight
Grapefruit is low in calories, rich in vitamin C, cellulose and water, and easy to feel full. In addition, grapefruit fruit acid can stimulate gastrointestinal mucosa, thereby inhibiting the absorption of nutrients to achieve weight loss effect. In addition, naringenin in grapefruit can burn fat and inhibit hunger at the same time. If you insist on eating a quarter of grapefruit before meals, your waist circumference and small stomach will be significantly smaller and your weight will be lighter after a period of time.
guard against the flu
Grapefruit contains about 150 mg of vitamin C per 100 g, which is higher than that of common citrus fruits. Vitamin C can effectively improve the respiratory mucosal immune factors, enhance the human immune capacity, especially in the cold season eat more grapefruit, can greatly reduce the incidence of cold. At the same time, it can improve oral ulcer, gingival swelling and pain, acne, dry skin, etc.
Eating taboo of grapefruit:
Grapefruit is not suitable for hypertension patients during medication
1. Grapefruit is high in potassium. When patients with hypertension take a large amount of grapefruit during medication, their blood pressure will drop suddenly, and they may have symptoms such as palpitation, dizziness, nausea, and even induce angina pectoris, which is a threat to health.
2. It is not suitable to eat more grapefruit for deficiency cold constitution
Grapefruit is cold in nature. People with deficiency cold in body will get colder if they eat a lot of grapefruit. They will have stomach cold, stomachache, diarrhea and other symptoms. People with low blood pressure should not eat more grapefruit.
3. Kidney disease patients should not eat more pomelo
Grapefruit is rich in potassium, potassium ions need to be excreted through the urine through the kidney, kidney patients need to limit the intake of potassium ions.
4. Grapefruit should not be taken during the period of taking contraceptives, lipid-lowering, antihypertensive and hypoglycemic drugs
Grapefruit contains a substance that can interfere with the normal metabolism of liver - Furanocoumarin. It can reduce the metabolism of drugs in liver, affect the detoxification of liver, lead to high concentration of drugs in blood, cause other adverse reactions and kidney poisoning.
Write in the end: the whole body of grapefruit is a treasure. Don't throw away the peel when eating grapefruit. It's not only edible, but also has many wonderful functions in life. Next time I'll introduce the functions of grapefruit to you.