Watermelon: energy value, beneficial properties and composition
In the summer, watermelon is one of the most popular delicacies. That is why many people are concerned about the question of what is the use and harm of watermelon. The correctly chosen berry can not only satisfy the taste needs of a person, but also bring enormous benefits to the body due to the beneficial substances contained: vitamins and trace elements.
More about watermelon
A favorite treat for adults and children is an annual herb that belongs to the Arbuz family and the Pumpkin family. The fruit of the berry is pumpkin, the shape of which can be different: oval, spherical or cylindrical. In addition, the fruit of a watermelon may have a flattened shape.
The bark of the plant may have stripes and spots and various colors: white, yellow, green. The pulp, which contains many useful elements, is most often red, pink or crimson.However, varieties of plants with yellow and pearl flesh are grown.
Berry seeds can vary in shape, color and size. However, there are also seedless fruits, triploid hybrids of watermelon.
Energy and nutritional value of watermelon
Watermelon has a truly unique composition due to the fact that there are no harmful acids, and the amount of natural salts is negligible. In addition, due to the low calorie content in the diet can include watermelon. The energy value of the berries is only 38 kcal per 100 g.
The amount of proteins contained in 100 g of pulp is 0.7 g, carbohydrates - 5-13 g. In addition, other useful elements are contained in watermelon. The energy value of the berries lies in the fact that 100 g of pulp contains:
- 0.5 g fiber.
In addition, due to the content of other elements and minerals, the energy value of watermelon is unique and irreplaceable. 100 grams of berry pulp contains:
- Magnesium - 224 mg.
- Potassium - 65 mg.
- Sodium - 16 mg.
- Calcium - 14 mg.
- Phosphorus - 7 mg.
- Iron - 1 mg.
And other useful items contains watermelon.The energy value of the berries is due to the content of a large number of amino acids: alanine, aspartic and glutamic acids, serine, tyrosine, glycine, cysteine, proline.
What vitamins are contained in watermelon?
Despite the fact that watermelon is 85% water, it contains vitamins, which have a beneficial effect on the state of the human body. The content of each of them in the pulp of the berries is minimal. Watermelon contains vitamins of groups P, PP, C, B (thiamine, riboflavin, folic acid), A.
The berry is rich in folic acid, which has a beneficial effect on human blood formation, participates in the structure of DNA and helps the proper development of the fetus in the womb. In addition, watermelon has a diuretic property, due to which slags, toxins are removed from the human body, the deposition of salts and stones is prevented, and the body is cleansed.
The moderate use of the berry may well become a substitute for antidepressants, since magnesium contains magnesium in the watermelon, which helps strengthen the nerve and muscle fibers. Fiber helps to reduce cholesterol in the blood, and vitamins - to strengthen the immune system.
The caloric content of the watermelon and the chemical composition make it possible to include the berry in the dietary diet, making the process of losing weight pleasant. In addition, one of the few delicacies allowed for use in diabetes is watermelon, the energy value of 100 grams. which does not exceed 38 kcal. The glycemic load is only 6.6. Due to the high water content of carbohydrates have little effect on the level of sugar in the blood of a person suffering from diabetes.
The main danger is borne not by the fruits, but by the methods of cultivation and storage of watermelons. Unscrupulous manufacturers in order to increase the weight of fertilize plantations using hazardous chemicals. Eating poisoned fruit can cause food poisoning and the emergence of a serious disease.
Due to the high humidity and insufficient amount of sunlight, nitrates accumulate in the pulp of the watermelon over time, which, when released into the human gastrointestinal tract, are transformed into nitroso compounds and nitrites that promote the growth and development of cancer cells.
In addition, during prolonged storage, the nitrates contained in watermelon are converted to nitrites.
Contraindications to the use
Despite the many useful properties, contraindications to the use of watermelon still exist. These include:
- children's age, namely children under 2 years old (in order to avoid nitrates and nitrites getting into the body of a small child who is still too weak for this);
- failure of the urinary system, violation of urine outflow;
- the presence of large stones in the kidneys, because the use of watermelon can contribute to their movement and the deterioration of the person;
In all other cases, the use of watermelon is not able to bring harm to health. Provided that the selected quality fruit grown without the use of chemicals.
Watermelon during pregnancy
Watermelon during pregnancy can not only be consumed, but necessary. The pulp of the berry in moderation is able to satisfy the taste needs of the future mummy, as well as benefit her body.
- Vitamin B9, which is contained in watermelon, has a beneficial effect on the proper formation of the nervous system of the fetus.
- Fresh berry helps in the work of the digestive system of a pregnant woman. Watermelon is used for constipation. In some cases, eating berries can help with the fight against heartburn.
- Watermelon pulp improves lactation and increases the amount of breast milk.
- The moderate consumption of berries can fill the iron deficiency in the mother’s future mother and prevent the development of anemia in pregnant women.
- Due to the removal of excess fluid and salt from the body, the use of watermelon can prevent the appearance of edema.
But it is worth remembering that watermelon should be consumed in moderation. More than 2.5 kg of berry pulp can cause pain, cause problems with the intestines. In addition, excessive consumption of watermelon has a serious burden on the kidneys of a pregnant woman.
How to choose the right berry?
To use watermelon does not harm the body, but on the contrary, has a positive effect, it is necessary to choose the right berry.
It should be understood that the real watermelons grown without the use of chemical fertilizers, begin to ripen only in late summer - early autumn. It is during this period it is better to buy berries.Otherwise, there is a high risk of acquiring watermelon, stuffed with a variety of chemicals, the use of which can cause food poisoning and other health problems.
When choosing a watermelon should be guided by the appearance of the berries. In a ripe fruit, the earthen patch has a brownish yellow or orange yellow color and the so-called "bee webs". The presence of the latter on the bark of the berry indicates that the bees often touched the ovary during pollination. It should be understood that the more often pollination occurred, the sweeter the pulp of watermelon.
It is recommended to choose medium-sized fruits with a dried tail at the end. If it is green and fresh, it means that the watermelon has not yet ripened and is unlikely to please with its taste.