Walnut is one of the most healthy foods on our table. Mention of its various forms are found in legends and epics, ancient manuscripts. Even the ancient peoples noted that this product perfectly satisfies the feeling of hunger.. In addition, each fruit is enclosed in a shell, which allows it to persist for a long time and not to deteriorate.
Each type of nut has its advantages and disadvantages. The main advantage of any of the types of nuts is their high calorie content and a large number of different vitamins that make up their composition. Below is a list of the most popular nuts.
There are practically no flaws in these fruits. but It is not recommended to give them in large quantities to children, and you should not eat nuts for people suffering from food allergies. Although it is not established that these fruits can cause an allergic reaction, but sometimes this can happen.
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Classification and varieties of nuts
Fruits of some species of fruit trees or shrubs, which consists of a core and a hard shell - the shell, are usually called nuts.
In botany, a nut is understood as a fruit that is untreated, with the pericarp, inside which is the nucleus or seed. Hazelnuts are hazelnuts.
There is also a whole family of Hazelnuts that look like nuts, but aren’t botanical. And all the other fruits, which are called "nuts", are not.
The main types of nuts are:
- from the Walnut family - walnuts, black, Manchu, caria, bitter;
- from the Birch family - hazelnut, hazelnut, Turkish walnut;
- from the Beech family - chestnut, chinarik, acorn.
There are other types of nuts, which will be discussed below.
Peanut
This peanut belongs to the family of legumes. It is eaten much more often than almost all other types of these fruits.. During the Second World War in the United States, it was peanuts that were one of the main products that helped solve the food problem in this country.
The composition of peanuts includes the following substances and elements that are useful for the human body.:
- antioxidants;
- chemical compounds that increase blood clotting;
- fats that make up peanuts and products based on them do not contain “harmful” cholesterol;
- peanut oil contains polyunsaturated linoleic acid;
- it also contains vitamins of groups E and B.
Brazilian nut
This nut is more than half fat, moreover, in contains such macro and trace elements: K, P, Fe, Mg, and vitamins A, B. And a couple of Brazil nuts contain a daily dose of selenium for an adult.
This nut is advised to use to reduce the level of "harmful" cholesterol in the blood, as well as to normalize the level of glucose. Children should eat it to grow better., and nervous - to put in order the nervous system. To give the body vigor it is enough to eat only one such nut.
Water chestnut
This plant is an annual. The plant is attached to the bottom with the help of last year's nuts.. If the current becomes stronger, then it tears off the stem of this nut and drags it along until the plant reaches the shallow water again. There the nut is attached to the bottom and starts to grow further.
In the composition of this nut:
- flavonoids;
- tannins;
- triterpenoids;
- phenol compounds.
Fresh juice from the foliage helps in the treatment of certain eye diseases, as an antiseptic in the treatment of bites of stinging insects or snakes. This nut can also help with stress relief., enhances immunity, helps in the fight against viral infections.
Walnut
This nut contains a large amount of polyunsaturated fatty acids.which are necessary for the fruitful work of the brain.
It also contains vitamins of groups A, B, E, C, as well as trace elements such as Fe, Co, Zn, K, Mg, Ca, I, P.
Thanks to so many different elements and vitamins. walnut is recommended to be eaten with anemiaIt strengthens the immune system, lowers blood pressure. It should also be included in the diet of older people, pregnant women and mothers who are breastfeeding.
Hazelnut
This nut is another useful high-calorie product that you want to have in your diet. But it should be remembered that because of its caloric value, it is better to use nuts separately from other products.
In the composition of hazelnuts - polyunsaturated fatty acids, various macro and trace elements, vitamins of groups B and E. These vitamins support the normal functioning of the central nervous system, help improve the body's metabolism, and prevent early aging of the body. As part of hazelnut there is also vitamin C and nicotinic acid.
The fruits of this shrub should be eatenif you need to recuperate after a serious illness or surgery. A large number of nutrients contained in these nuts, allows you to cope with anemia, and the internal organs receive additional vitamins.
Regularly eating hazelnuts, You can reduce the amount of "bad" cholesterol, reduce the risk of varicose veins, clean the liver of toxic substances, deduces decomposition products. In addition, these nuts have a calming effect on the nervous system, relieve anxiety, improve sleep.
Chestnut
Although there are many varieties of chestnuts, sweet chestnuts are traditionally consumed as food. They are baked on coals - this delicacy has long been prepared in many countries of the world, especially at Christmas.
Nutrients are contained not only in fruits, but also in leaves, bark, flowers. They have glycosides, tannins, astragalus, carotenoids, steroids, vitamin C.
Pine nuts
Practically all their parts are useful in pine nuts. - from kernels to shells, resin and needles.And they all have a unique set of mineral elements, vitamins and other beneficial substances, which together give Siberians health.
Fats, proteins and amino acids included in pine nuts, easily digestible, they promote adolescent growth, indispensable in the diet of pregnant women.
Cashew nuts
Cashew nuts relatively recently appeared on the shelves of our stores, but have already gained popularity among buyers. They are not only used in cooking, but also used in the treatment of a number of diseases.
These nuts are low in fat, but fiber and carbohydrates are higher than in walnuts, for example. However, the vitamins of groups B, E and P, as well as such chemical elements as Zn, Fe, Mg, Na, Ca, K, Mg, Cu, Se, help to organize the work of many internal organs in our body. And the saturated fatty acids Omega - 3 are able to maintain the body's youth, improve the condition of the skin, hair, nails.
Pecan
This nut can perfectly replace animal proteins in the diet., it also contains beneficial macro and trace elements, as well as antioxidants.
What is this nut rich in? It contains easily digestible fats, carbohydrates, thiamine, vitamin B6, Fe, Mg, P, K, Zn, Cu. Mg.
Vitamins of group B allow you to improve the condition of nails and hair, improve skin condition. These vitamins also prevent muscle cramps, make tissues more elastic.
The substances that make up these nuts give a person a boost of energy, help fight cancer cells.
Pistachios
Pistachios are another kind of nuts that are beneficial to the human body. In their composition found:
- oleic, palmitic, stearic amino acids;
- vitamins A, E, B, P;
- proteins, carbohydrates, starch;
- Cu, Mg, Mn, K, Fe, P.
These nuts are good to satisfy hunger, give vitality., as well as saturate the body with useful amino acids.
Macadamia
The trees on which these nuts appear can bear fruit for about a hundred years, and the yields do not decrease, despite the age of the tree. Fruits ripen for a long time - up to 7 months.
The fruit of this nut contains vitamins, chemical elements, various acids, dietary fiber, unsaturated fatty acids.
These nuts have healing properties, helping with headaches, strengthen the walls of blood vessels, improve the condition of the skin, help restore strength, improves brain function, removes "harmful" cholesterol. And this is not a complete list of useful properties of macadamia.
Conclusion
Any type of nut is very valuable to the human body.. Therefore, they should be regularly included in the diet. Moreover, you can eat as each of the species separately, and several different nuts together.
I love our classic walnut, although it would have been a long time to try chestnut on charcoal - I wonder how long it should be fried