Grapefruit (scientific name: Citrus maxima (Burm) Merr.), also known as grapefruit, pomelo, citron, Zhu Xi, Nei Zi and so on. Rutaceae Citrus arbors. Twigs, leaves, pedicels, calyxes, and ovary are pilose, young leaves usually dark purple, tender branches are sinuous and ribbed. Leaves thick, dark green, broadly ovoid or elliptic; raceme, sometimes with twin flowers; buds pale purple, thin milky white; calyx irregular 5-3 lobed; styles long, stigma slightly Larger than the ovary. Fruit spherical, oblate, pear-shaped or broad-conical, usually 10 cm or more in diameter; seeds up to 200 grains, also sub-free, irregular in shape, usually similar to a rectangle; cotyledons milky white, single embryo. Flowering from April to May, fruiting from September to December.
In the south of the Yangtze River in China, the northernmost limit is seen in the areas of Xinyang and Nanyang in Henan Province, all of which are cultivated. Southeast Asian countries have planted.
Grapefruit has a very rich nutrition, grapefruit contains a variety of trace elements required by the human body, and grapefruit contains natural trace elements potassium, potassium is essential for patients with hypertension, but on the other hand grapefruit and easy to react to lower blood pressure And there are toxic side effects.
Grapefruit contains sugar, vitamin B1, vitamin B2, vitamin C, vitamin P, carotene, potassium, calcium, phosphorus, and tannic acid. The main components of pomelo peel are pomelo peel, neohesperidin, etc. The pomelo core contains fatty oil, flavonoids, and flavonoids. Grapefruit rich in nutrients, edible parts per 100 grams, 84.8 grams of water, protein 0.7 grams, fat 0.6 grams, 12.2 grams of carbohydrates, calories 57 kcal, crude fiber 0.8 grams, calcium 41 mg, phosphorus 43 mg, iron 0.9 mg 0.12 mg of carotene, 0.07 mg of sulfate, 0.02 mg of riboflavin, 0.5 mg of niacin and 41 mg of ascorbic acid.
Hypertension is a common disease of the elderly. Blood pressure is very easy to get out of control in the changing seasons. Hypertensive patients should pay attention to the prevention of elevated blood pressure. Experts said that some foods have antihypertensive effects, but high blood pressure patients should pay attention to the diet when taking medication, and some foods may affect the antihypertensive effect.
First, antihypertensive drugs strictly control salt and eat less grapefruit. Experts say that because salt causes water to remain in the body, leading to an increase in blood volume, and the volume of blood vessels that contain blood does not change, so blood pressure naturally increases. Therefore, when taking such drugs, strict control of salt intake in the diet can enhance the antihypertensive effect of the drug. Drink less grapefruit juice while taking antihypertensive drugs. Because the naringenin component of grapefruit juice affects the function of certain enzymes in the liver, and this enzyme is related to the metabolism of antihypertensive drugs, it will make the drug concentration in the blood too high, causing the risk of hypotension.
Second, the more urine is discharged, the more serious the loss of water, so some nutrients such as potassium, calcium, magnesium, and vitamins B1, B6, and vitamin C are also easily excreted with water. If the body lacks potassium, it may cause vomiting, diarrhea and other symptoms. Third, different diuretics have different effects on nutrients, and even the opposite. When taking certain diuretics, it is necessary to avoid taking potassium supplements, or excessive intake of potassium-rich foods, so as to avoid hyperkalemia, resulting in irregular heartbeat, muscle weakness, abdominal pain and other symptoms. The fourth vasodilator to drink less coffee, strong tea cardiovascular dilators role is to relax blood vessels, reduce the heart load. When taking this type of medicine, limit salt intake. In addition, caffeine-rich beverages such as coffee, tea, and cola can cause blood vessels to shrink and easily counteract the effects of drugs, and they should drink less.
The diet of high blood pressure patients can directly affect the occurrence of pharmacodynamics, so we have to tell the majority of hypertensive patients, the diet can not be ignored, we usually must pay attention to the diet mix, actively prevent the phase of food, and thus positive Prevent the occurrence of hypertension and reduce the harm of high blood pressure. We need to work together to keep high blood pressure away from our lives. We must pay attention to the points we mentioned above, and pay more attention to it, exercise more, and actively prevent it.
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