Walnut is one of the most useful products 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. However, is not recommended to give them in large quantities to children, and you should not eat nuts to people suffering from food allergies .Although it is not established that these fruits can cause an allergic reaction, but sometimes this can happen.
Contents
- Classification and nut varieties
- Peanuts
- Brazil nut
- Water chestnut
- Walnut
- Hazelnut
- Chestnut
- Pine nuts
- Cashew
- Pecan
- Pistachio
- Macadamia
- Conclusion
Classification and varieties of nuts
Nut commonly called the fruit of some species of fruit trees orShrubs, which consists of a core and a hard shell - the shell.
Nuts perfectly quench the feeling of hunger In botany, a nut is understood as a fruit that is untreated, with a pericarp, inside which is the core or seed. Hazelnuts are nuts, hazelnuts .
There is also a whole family of Nuts, which look like nuts, but aren’t nuts from a botanical point of view. And all the other fruits, which are called "nuts", are not.
The main varieties of nuts include :
- from the family of nuts - walnuts, black, Manchurian, brown, bitter;
- of the Birch family - hazelnut, hazelnuts, Turkish walnut;
- from the family of Beech - chestnut, chinarik, acorn.
There are other types of nuts, which will be described below.
Peanut
Peanut( peanut) shelled This peanut belongs to the legume family. It is eaten much more often than almost all other types of these fruits .During the Second World War in the United States, peanuts were one of the main products that helped solve the food problem in this country.
The composition of the peanut 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 it do not contain "harmful" cholesterol;
- in peanut oil contains polyunsaturated linoleic acid;
- also contains vitamins of groups E and B.
Brazil nut
Brazil nut This nut is more than half fat, and contains macro and trace elements : K, P, Fe, Mg, andvitamins 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 in order to grow better , and nervous ones should clean up the nervous system. To give the body vitality it is enough to eat only one such nut.
Water chestnut
Fruit nuts 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 the nut and drags it along until the plant reaches the shoal again. There the nut is attached to the bottom and begins to grow further.
Composed of this nut :
- flavonoids;
- tanning agents;
- triterpenoids;
- phenol compounds.
Fresh juice of 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. helps strengthen immunity, helps fight viral infections.
Walnut
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 such trace elements as Fe, Co, Zn, K, Mg, Ca, I, P.Eat for anemia , it 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
Hazelnut This nut is another good 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.
Hazelnut contains polyunsaturated fatty acids, various macro and micronutrients, and B and E vitamins .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 eaten if you need to recover from a serious illness or operation. A large number of nutrients contained in these nuts, allows you to cope with anemia , and the internal organs receive additional vitamins.
By regularly eating hazelnuts, 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
Chestnut Although there are many varieties of chestnuts, sweet chestnuts are traditionally consumed. They are baked on coals - this delicacy has been prepared in many countries of the world for a long time, especially for Christmas.
Useful substances are contained not only in fruits, but also in leaves, bark, flowers. They contain glycosides, tannins, astragalus, carotenoids, steroids, vitamin C .
Pine nuts
Pine nuts Almost all parts of , from kernels to shells, resin and pine needles, are useful in pine nuts. 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 contribute to the growth of adolescent organism , indispensable in the diet of pregnant women.
Cashew
Cashew Nuts Cashews relatively recently appeared on the shelves of our stores, but have already gained popularity among customers. 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 more abundant 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 saturated fatty acids Omega - 3 are able to maintain the body's youth, improve the condition of the skin, hair, nails.
Pecan
Pecan Nuts This nut can perfectly replace animal proteins in the diet, it also contains useful macro and trace elements, as well as antioxidants.
How is this nut rich? It contains easily digestible fats, carbohydrates, thiamine, vitamin B6, Fe, Mg, P, K, Zn, Cu. Mg.
B vitamins can 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 charge of vitality, help fight cancer cells.
Pistachios
Pistachios Pistachios are another kind of nuts that are beneficial to the human body. found in their composition:
- oleic, palmitic, stearic amino acids;
- vitamins A, E, B, P;
- proteins, carbohydrates, starch;
- Cu, Mg, Mn, K, Fe, P.
These nuts relieve hunger well, energize , and saturate the body with useful amino acids.
Macadamia
Macadamia Nut 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, help with headaches, strengthen the walls of blood vessels, improve the condition of the skin , help restore strength, improve brain function, remove "harmful" cholesterol. And this is not a complete list of useful properties of macadamia.
Conclusion
Any type of nut is very valuable for 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.
