Introduction to the knowledge base of pear tree.
Pears, usually deciduous trees or shrubs, have a few evergreen varieties and belong to the dicotyledonous class of Rosaceae, Applesubfamily and Angiosperms. The leaves are mostly oval, and the size varies with different varieties. Flowers are white, or slightly yellow and pink, with five petals. The fruit is round, some with thin base and thick tail, commonly known as "pear shape"; The peel color of different varieties is quite different, including yellow, green, yellow with green, yellow with yellow, yellow-brown, green-brown, reddish brown and brown, and some varieties are purplish red; The diameter of wild pear fruit is relatively small, ranging from 1 ~ 4cm, while the diameter and length of cultivated pear fruit can reach 8 cm and 18 cm.
Pear fruit is usually used for eating, which is not only delicious and juicy, sweet and sour, but also nutritious, containing a variety of vitamins and cellulose. Different kinds of pears have completely different tastes and textures. Pears can be eaten raw or cooked. In terms of medical efficacy, pears can relieve constipation and promote digestion, which is also good for the cardiovascular system. In the folk, pears are also effective. Peel pears, add rock sugar, and eat them after cooking, which can also relieve cough; Besides being eaten as fruit, pears can also be used for viewing.
2, pear 5 grams of food
1, pear+boiled water: diarrhea.
Pears are sweet and cold, so eating pears and drinking boiled water will inevitably lead to diarrhea. This is because one cold and one hot stimulate the intestine. "Compendium of Materia Medica" records: "Pear tastes sweet and cold, and eating more becomes cold dysentery." "Eating too much will make people sleepy in the cold." So first, avoid eating more, second, avoid eating with greasy things, and third, avoid mixing hot and cold food. At the same time, there is a folk saying that eating pears and drinking boiled water will cause diarrhea. Because pears are cold, crabs are cold, and eating them together hurts the stomach.
2, pear+crab: affect gastrointestinal digestion
There is a saying in "Eating Right" that "persimmon pears can't be eaten with crabs". Pear tastes sweet and slightly sour and cold. The famous doctor Abelu recorded: "Pear is cold and beneficial, and eating too much hurts people, so it is called quick fruit."
3, pear+goose: damage the spleen and stomach
Goose and pear can not be eaten together, which will produce adverse biochemical reactions, damage the spleen and stomach, damage the kidneys, and easily lead to human fever.
4, pear+white radish: affecting the thyroid gland
Radish and pear are very similar. Radish is eaten with pears, grapes and other fruits containing a lot of plant pigments. After gastrointestinal digestion and decomposition, it can produce substances that inhibit thyroid function and induce goiter.
5, pear+mutton: abdominal distension and abdominal pain
Mutton is similar to pear. Some enzymes in pear can decompose mutton enzymes, hinder digestion, and cause indigestion, abdominal distension and abdominal pain.
3. Ten taboos for eating pears
1, pears contain more fruit acid, and those with more stomach acid should not eat more.
2, pears have diuretic effect, frequent urination at night, eat less pears before going to bed.
Drinking hot water and eating greasy food when eating pears will lead to diarrhea.
4. Pear contains a lot of fruit acid, so it should not be used with alkaline drugs, such as aminophylline and baking soda.
5, used for relieving cough and resolving phlegm, it is not appropriate to choose sweet pears with too high sugar content.
6. Pear is cold and wet, and eating more will hurt the spleen and stomach. Therefore, people who are afraid of cold due to spleen and stomach deficiency should eat less.
7. Pears have high sugar content, so diabetics should eat them carefully. Patients with chronic enteritis and stomach cold disease should not eat raw pears.
8. Patients with blood deficiency, chills, diarrhea and cold hands and feet should not eat more pears. It is best to cook them before eating them to prevent the symptoms of dampness and cold from getting worse.
9. The stool caused by spleen and stomach deficiency and cold is sparse, and the cough and phlegm caused by exogenous wind and cold are contraindicated. Do not use it after delivery and after the baby has acne.
What are the benefits of eating pears?
1, promoting gastrointestinal peristalsis
Pear is rich in dietary fiber besides a lot of water. It is known as the best gastrointestinal cleanser. Because people's eating habits are irregular and the amount of exercise is reduced, it is easy to cause constipation.
Eating some pears helps to promote gastrointestinal peristalsis and relieve constipation. In daily life, eating a pear every day can prevent food from accumulating in the stomach and reduce constipation. In addition, pears also have a certain protective effect on the stomach.
2, lowering blood pressure, nourishing yin and clearing heat
Pear juice has the functions of lowering blood pressure, clearing away heat and nourishing yin, so people suffering from hypertension, heart disease and liver cirrhosis can often eat pear juice, which has a good effect on treating these diseases.
In addition, the sugar content of pears is very high, so it is not advisable to eat too much at a time to avoid raising blood sugar. When cooking pear juice, you can put a little more water to help dissolve the sugar in the pear and reduce the sugar concentration, thus reducing the probability of blood sugar rising and keeping healthy.
3. Promote appetite and help digestion
The dietary fiber contained in pears can promote digestion, and you can eat more pears when you have indigestion. Because pears have a strong digestive function, don't eat pears when you are hungry, so as not to be more hungry.
Pears can not only promote digestion, but also stimulate appetite. When people lose appetite, eating some pear juice can play an appetizing role and greatly increase their appetite.
4. Help the kidneys to excrete
Pears are good for the kidneys and can promote excretion. Because pears belong to cold food, you should be careful not to eat them with hot food.
Eating pears while they are hot can not only promote excretion, but also damage the stomach, cause diarrhea, and even suffer from gastrointestinal diseases in severe cases. It is suggested that people with poor renal function eat more pears, which will help improve renal function and promote excretion.
5, moistening dryness and expelling wind
When the climate is dry, people often feel dry nose and mouth and itchy skin, especially in summer. Pear has the effect of moistening dryness and expelling wind. Drinking a little pear juice every day can relieve dry mouth and nose and itchy skin.
Choose fresh pears when shopping. Fresh pears not only contain a lot of water, but also have more obvious effects of moistening dryness and expelling wind.
Step 6 protect the liver
Pears are rich in polysaccharides and vitamins, which can protect the liver if eaten regularly. People who like drinking can often eat pears. Because they often drink alcohol, alcohol will cause some damage to the liver and cause liver function damage. Therefore, pears can help them protect their liver and reduce the occurrence of liver diseases.
7, nourishing blood and promoting granulation, relieving cough and resolving phlegm, moistening lung and clearing dryness.
Pears contain a lot of water and taste sweet and sour. It has a good effect on dry throat, pain, itching and thick phlegm. Therefore, regular consumption has the functions of nourishing blood and promoting granulation, relieving cough and resolving phlegm, moistening lung and clearing dryness.
When eating, you can eat it directly without peeling it, or you can add rock sugar and medlar to boil water to drink. Boiled pear juice will have a better health care effect on human body, which is of great help to relieve cough and eliminate phlegm.
Many people probably don't care about the taboo of eating pears, and they haven't studied it deeply, but if they accidentally fall into the trap, they may suffer some crimes, such as drinking boiled water while eating pears may cause diarrhea, and eating pear mutton may cause abdominal distension and pain, so sometimes don't eat indiscriminately!