Nutritional value and edible efficacy of pineapple
20 14-07- 14? |? Librarian? |? Transfer to Tibet (3)
Pineapple, formerly known as pineapple, originated in Brazil and was introduced to China in16th century. There are more than 70 varieties, which is one of the four famous fruits in Lingnan. Pineapple contains a lot of fructose, glucose, vitamins A, B, C, phosphorus, citric acid and protease. Sweet and warm, it has the functions of relieving summer heat, quenching thirst, promoting digestion and stopping diarrhea. It is a seasonal fruit used as both medicine and food in summer.
Basic introduction
Alias pineapple.
It tastes flat and sweet and slightly astringent.
Meridian, lung meridian, stomach meridian.
Clearing away heat, quenching thirst, promoting digestion and stopping diarrhea.
Suitable: suitable for people suffering from summer injury and thirst; Nephritis, hypertension, bronchitis and dyspepsia should be eaten; Suitable for eating in hot summer.
Avoid: diabetic patients should not eat; People who are allergic to pineapple should not eat it.
At present, pineapple has been distributed between the Tropic of Cancer and has become one of the most important fruit trees in the world. /kloc-In the middle of the 6th century, it was brought to Macau by Portuguese missionaries, then spread to all parts of Guangdong, and then planted in Guangxi, Fujian, Taiwan Province and other provinces. After long-term breeding, many varieties have been produced.
Pineapple belongs to bromeliaceae, which is a perennial herb and fruit plant. The nutrition grows quickly and the production cycle is short. In areas where the annual average temperature is above 23℃, it can grow all year round.
The top of pineapple fruit has a crown bud, which is warm. The epidermis of Taiwan Province pineapple is not as rough as that of mainland pineapple, and some of them are slightly inverted cone. The meat quality is much more delicate than ordinary pineapple, with no astringency and sufficient moisture. Pineapple is a popular fruit with beautiful fruit shape, sweet juice and special flavor.
be distributed
Pineapple is widely distributed between the Tropic of Cancer and is one of the most important fruits in the world. Native to Central and South America, it was introduced to China in17th century, and has been planted in18th century. At present, there are more than 80 countries and regions in the world as economic cultivation, and the main producing areas are concentrated in Thailand, the Philippines, Indonesia, Vietnam, Brazil, South Africa and the United States. China is one of the top ten pineapple producers, mainly distributed in tropical provinces such as Guangdong, Hainan, Guangxi, Fujian and Yunnan.
kind
Usually, the cultivated varieties of pineapple are divided into four categories, namely Cayenne, Queen, Spain and Hybrid.
Kane Island, also known as Sarawak, was named after the French expedition discovered it in the Kane Island area of Guyana in South America. Widely cultivated, accounting for about 80% of the world pineapple cultivation area. The plant is tall and strong, with no thorns at the leaf edge or a little thorns at the tip, which is the main variety of canned food.
Queen is the oldest cultivated variety with a history of more than 400 years, and it is one of the main cultivated varieties in South Africa, Viet Nam and China. The flesh is yellow to deep yellow, the meat is crisp and tender, the sugar content is high, and the juice is sweet, mainly fresh.
Spanish plants are large in size, with soft leaves, yellow-green, and red thorns on the leaf edge, but there are also varieties without thorns; The fruit is medium in size, orange in flesh, rich in flavor and fiber, and can be used to make canned food and juice.
Hybrid is an excellent variety cultivated through sexual hybridization. The plant is tall and straight, with prickly leaves, lavender flowers, yellow flesh, crisp quality, little fiber, sweet and delicious, and can be eaten fresh or canned.
Economic use
Pineapple can be eaten fresh, or processed into canned pineapple in syrup, pineapple juice, etc. Fresh pineapple can also be quickly frozen: washed, peeled, pitted, cut into pieces, frozen at -35℃ and stored at -20℃, which can make the nutrition the same as that of fresh pineapple. In addition, the by-products in pineapple processing can be made into sugar, alcohol, monosodium glutamate, citric acid and so on.
Therapeutic value
The fruit of pineapple is a herb of pineapple. It is cultivated in Hainan, Guangdong, Guangxi, Fujian and Taiwan Province provinces. Harvest, peel and wash the fruits when they are ripe in summer.
[References] Contains fructose, glucose, protein, amino acids, organic acids and other ingredients. It also contains an enzyme that can decompose protein.
[Usage] Raw food, twisted juice, decoction, etc.
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Pineapple juice: 1 pineapple, mash and juice, half a cup each time, and take it with cold boiled water.
Adding cold boiled water to fresh pineapple juice has a good effect of clearing away heat, relieving annoyance and quenching thirst. Used for summer injury or fever and polydipsia.
Purification function: Pineapple is a sweet and sour fruit. In fact, pineapple can not only be eaten, but also be placed at home as a potted plant, which can be viewed on the one hand and purify the air on the other. Especially the newly renovated new house, the paint smell is very heavy. At this time, putting a pot of pineapple indoors will have a good purification effect.
On the one hand, pineapple is densely covered with pores and coarse fibers, which has strong adsorption, and can suck in carbon dioxide harmful to human body to release oxygen, so that the indoor oxygen content has been maintained at a high level. On the other hand, pineapple contains aromatic substances with strong fragrance, which can be emitted from pineapple to remove indoor odor.
Pineapple is rich in nutrients, including sugar, protein, fat, vitamins A, B2, C, protein catabolic enzyme, calcium, phosphorus, iron, organic acids, nicotinic acid and so on. , especially vitamin C.
According to experts' research, protein-decomposing enzyme contained in pineapple can decompose protein and help digestion, so it is a very suitable fruit for modern people who eat too much meat and greasy food for a long time. In addition, the attractive fragrance of pineapple comes from butyric acid in its components, which can stimulate saliva secretion and promote appetite.
Medicinal value
Pineapple peel is rich in bromelain and has rich medicinal value. According to the experiments of foreign experts for more than 20 years, the incidence of cardiovascular and cerebrovascular diseases and diabetes is obviously reduced after long-term consumption of pineapple peel, and it has certain anti-cancer effect.
Pineapple is sweet, slightly sour and slightly cold. Has the effects of clearing away heat, relieving summer-heat, promoting salivation, quenching thirst and inducing diuresis. Can be used for treating summer heat injury, body heat, polydipsia, abdominal distension, dyspepsia, dysuria, dizziness, etc. And in fruit juice, there is an enzyme similar to gastric juice, which can decompose protein and help digestion. Delicious pineapple, this fruit can not only lose weight, but also have different effects on health.
lose weight
Pineapple loses weight. Do you think it's fresh, too? Can pineapples lose weight? That's right. Pineapple contains almost all the vitamins needed by human body, 16 natural minerals, and can effectively help digestion and absorption. The secret of pineapple weight loss lies in its rich juice, which can effectively hydrolyze fat. It can be used to effectively eat pineapple in food or drink pineapple juice in food every day, but avoiding excessive or untreated raw pineapple is easy to reduce the taste and stimulate the oral mucosa. Second, it is easy to produce bromelain, and people who are allergic to this protease will have symptoms such as itchy skin.
The way to avoid this situation is simple: peel the pineapple, slice or dice it, soak it in light salt water for half an hour, then rinse it with cold boiled water to remove the salty taste, and then you can enjoy the fresh and delicious pineapple with confidence.
get a facial
Rich vitamin B can effectively nourish the skin, prevent chapped skin, moisten the brightness of hair, and at the same time eliminate the tension of the body and enhance the immunity of the body;
Practice: Its pulp can be used as a mask and is the sweetest care product. Drinking its fresh juice regularly can eliminate senile plaque and reduce the incidence of senile plaque.
keep fit
Enzymes that promote blood circulation can always lower blood pressure and dilute blood lipids. Eating pineapple can prevent fat deposition.
Clean the stomach
Do you often worry about the meat content? Pineapple can help you solve your digestion and absorption concerns. Bromelain can effectively decompose protein in food and increase gastrointestinal peristalsis. Friends who are often constipated can try a folk prescription: eat a fresh pineapple every morning.
Eliminate a cold
Fever, cough and sore throat are the most obvious symptoms of a cold. In addition to lying in bed and resting quietly, you might as well drink a cup of fresh pineapple juice, which has the effect of cooling down and effectively lowering the bronchi. According to medical research, since ancient times, humans often rely on bromelain contained in pineapples to relieve sore throats and coughs.