1, dietotherapy value
Banana is a kind of beneficial fruit rich in starch. Sweet and cold, it can clear away heat and moisten intestines and promote gastrointestinal peristalsis, but it is not suitable for diarrhea due to spleen deficiency. According to the principle of "heat is cool", it is most suitable for people who are hot and dry. People with hemorrhoid bleeding and people with hot and restless fetus can eat raw banana meat. The folk prescription is more effective to treat chronic cough with banana stewed rock sugar; Cook wine with bananas as a diet. Modern medicine believes that banana can cure hypertension, because it is rich in potassium, which can balance the adverse effects of sodium and promote the growth of cells and tissues. Banana can be used to treat constipation because it can promote gastrointestinal peristalsis. Eating a banana at breakfast, lunch and dinner can provide rich potassium for human body, thus reducing the risk of cerebral thrombosis by about 2 1%. German researchers say that using bananas can cure depression and emotional anxiety because it can promote the brain to secrete endorphins. It can relieve tension, improve work efficiency and reduce fatigue.
2. Nutritional value
Banana is a high-calorie fruit. According to the analysis, the calorific value of pulp per100g reaches 9 1 calorie. Bananas are also the main food in some tropical areas. The nutritional value of banana pulp is quite high. Every 100g pulp contains 20g of carbohydrate, 0.2g of protein/kloc-0 and 0.6g of fat. In addition, it also contains a variety of trace elements and vitamins. Among them, vitamin A can promote growth and enhance resistance to diseases, which is necessary to maintain normal fertility and vision. Thiamine can resist beriberi, stimulate appetite, help digestion and protect nervous system; Riboflavin can promote the normal growth and development of human body. Bananas not only stabilize serotonin and melatonin, but also contain magnesium, which can relax muscles, so friends who are often stressed at work can eat more.
Banana pulp is sweet and soft, and it is one of the favorite fruits. Europeans call it "happy fruit" because it can relieve depression. On the basis of bananas, creative and cultural fruits have emerged to help people create happiness. [6] And bananas are the favorite fruit for women to lose weight. Bananas are also called "fruits of wisdom". Legend has it that Buddha Sakyamuni got his wisdom by eating bananas. Bananas contain phosphorus, which is called "the salt of wisdom", and are rich in protein, sugar, potassium, vitamins A and C, and also rich in fiber, so they are very good nutritious foods. Every100g of banana pulp contains more than 15% of sugar, 0.2-0.3% of acid and 1.5% of protein, and is rich in 53 mg of phosphorus, 19 mg of calcium, 400 mg of potassium and 24 mg of vitamin C. Banana also contains. Bananas are rich in potassium and magnesium. Potassium can prevent blood pressure from rising and muscle spasms, while magnesium can eliminate fatigue. Therefore, bananas are the first choice for patients with hypertension. Pantothenic acid and other ingredients contained in bananas are the "happy hormones" of the human body, which can relieve psychological stress and depression, and the happy creative and cultural fruits are inspired by this. Eating bananas before going to bed also has a calming effect. Dutch scientists believe that the most nutritious fruit that can add a smile to people's faces is bananas. Be happy if you can! Vitamin A contained in bananas can enhance the resistance to diseases and maintain normal fertility and vision. Thiamine can resist beriberi, stimulate appetite, help digestion and protect nervous system; Riboflavin can promote the normal growth and development of human body. Bananas also have the functions of promoting gastrointestinal peristalsis, relaxing bowels, moistening lung and relieving cough, clearing away heat and toxic materials, helping digestion and nourishing. Bananas are easy to digest and absorb, and can be eaten with peace of mind from children to the elderly, and supplemented with balanced nutrition. Bananas are low-calorie foods that can be enjoyed even by people who are losing weight.
3. Medicinal value
Chemical composition: the fruit contains starch 0.5%, protein 1.3%, fat 0.6%, sugar 1 1%, ash 1%, vitamins a, b, c, e, etc. It also contains a small amount of 5- hydroxytryptamine, norepinephrine and dihydroxyphenylethylamine. Leaves contain a small amount of tannin and cellulose 1 1.55%.
Indications: clearing away heat and toxic materials, promoting diuresis to reduce swelling, and preventing miscarriage.
Whole grass: used for epidemic encephalitis B, leucorrhea, and fetal restlessness; External use for treating carbuncle and furuncle, erysipelas and otitis media. [7]
Banana peel or fruit stalk: hypertension.
Usage and dosage: 50 ~ 200 grams of fresh products. Appropriate external use, fresh products mashed or mashed in the affected area. To treat otitis media, take the stem juice and drop it into the ear.
Excerpt: National Compilation of Chinese Herbal Medicine
Pharmacological action:
The pulp contains a lot of norepinephrine, 5- hydroxytryptamine and dihydroxyphenylethylamine.
The content of 5- hydroxytryptamine in bananas produced in Japan is 10 ~ 15 μ g/g According to the determination, the content of norepinephrine in bananas produced in Uganda is 2 μ g/g, and the content of 5- hydroxytryptamine is16.2 μ g/g. ..
Eating 10 mg of serotonin every day has no obstacle to gastrointestinal function, but eating too much may lead to gastrointestinal dysfunction. Bananas should not be eaten when determining indole or catecholamine in urine.
Immature banana meat can prevent (take it at the same time) or treat (take banana meat after taking butazone 15 days) the gastric ulcer induced by butazone in guinea pigs. It also has protective effect on gastric ulcer induced by forced immobility in rats, but it is ineffective for patients induced by prednisone. This protective effect may be due to the reduction of gastric acid by 5- hydroxytryptamine and the relaxation stimulation of banana meat. It has no anticholinergic effect and no central inhibitory effect.
The juice of banana leaves and stems (containing 5- hydroxytryptamine, but not dopa or norepinephrine) can contract the isolated ileum of guinea pigs and duodenum of rats, and increase the blood pressure of dogs and rats. These effects can be antagonized by atropine and tolazolin.
The methanol extract of dried leaves and stems has antibacterial effect; The water-soluble part of methanol extract from ripe banana pulp has the effect of inhibiting fungi and bacteria. The antifungal substance may be Musarin.
4. Economic value
Banana is one of the important fruits in tropical and subtropical regions. According to the analysis of FAO's production yearbook, in 1960, among the total output of bananas, oranges, grapes, apples and mangoes1060,000 tons, bananas accounted for14.2% (150,000 tons), ranking third, the same as apples; 1970, bananas accounted for1650,000 tons18.8% (310,000 tons) of the total output, ranking third, surpassing apples; 1980, the total banana output was 26.4% (6 1000000 tons), second only to grapes (29.0%). 1990 The total output of bananas is 7 1 10,000 tons, and 1995 is second only to citrus, with a total output of 76 million tons. It can be seen that the world banana output has risen from 1960 to 1995, maintaining the second to third place in the world's total output of major fruits, and the total output of bananas has increased more than four times in the past 30 years.
Banana is one of the fruit products with remarkable economic benefits at home and abroad. Banana is a herbaceous fruit tree with fast growth, short production cycle, high yield, perennial supply and excellent economic benefits, which is highly valued by banana producing countries and banana farmers. At present, the banana planting area in southern China is getting larger and larger, and the output is gradually increasing, which has become a large number of fruit trees cultivated in southern provinces of China. Under good cultivation conditions, high-yield bananas can reach 4500 kilograms per 666.7 square meters, and the highest yield per plant is 78 kilograms. Under normal management, every 666.7 square meters of banana garden can reach 2000 ~ 3000 kilograms, and the net profit can reach about 2000 yuan, which is an important economic source for banana farmers.
In addition to domestic sales and good economic benefits, banana fresh fruit is regarded as a foreign exchange earning commodity in all banana producing countries. 190, the world banana export trade totaled 9.45 million tons, including Ecuador (22 1000 tons), Costa Rica (1440 tons), Colombia (1 15000 tons) and Honduras (840,000 tons).
It can be seen that the value of bananas in the economy is very significant. With the continuous development of modern science and technology, banana industry will play a more important role in the market economy of 2 1 century.
5, suitable for the crowd
Bananas prolong life, suitable for all ages, and are the first choice for dieters. It is suitable for patients with fever, dry mouth and polydipsia, laryngeal cancer, dry stool, hemorrhoids, anal fissure, hematochezia, cancer and after radiotherapy and chemotherapy. Suitable for patients with upper digestive tract ulcer, tuberculosis and intractable dry cough; Suitable for people who drink too much and still have alcohol; Suitable for people with hypertension, coronary heart disease and arteriosclerosis; At the same time, it has a good effect on constipation, indigestion and other symptoms; Suitable for people with fatty dysentery and toxic dyspepsia.
An uncomfortable person
1: people with deficiency-cold constitution.
Bananas are cold. People with weak constitution had better avoid it, such as stomach cold, deficiency cold and nephritis. Do not eat bananas. If these patients eat bananas, it is not good for their health. There are also patients with swollen feet during pregnancy, and it is best not to eat bananas.
2. People on an empty stomach
Bananas can promote gastrointestinal peristalsis. If you eat on an empty stomach, your stomach will work ahead of schedule. Eating bananas on an empty stomach for a long time is bad for your health. Why can't you eat bananas on an empty stomach? Because there is almost no digestible food in the stomach on an empty stomach, eating bananas on an empty stomach will speed up the movement of the stomach, promote blood circulation, enhance the load on the heart, and easily lead to myocardial infarction.
3. Arthritis patients and diabetic patients
Bananas with high sugar content will slow down blood circulation and accumulate metabolites. Arthritis and diabetes patients should not eat bananas, otherwise it will aggravate the condition.
4. Patients with nephritis
Patients with nephritis are also not allowed to eat bananas, because bananas contain a lot of potassium and magnesium, and the filtration function of patients with nephritis is relatively poor. Bananas can make the proportion of calcium, potassium and magnesium in blood unbalanced, thus promoting the aggravation of kidney diseases, so patients with kidney diseases had better not eat bananas.