Hazelnut and its importance

Updated: Sep 20, 2020

In this article, we have discussed the definition, variety, content and benefits of hazelnut for you.


Hazelnut,temperate regions of the northern hemisphere in the world, it is especially grown in Turkey. Hazelnut, which has the same name as its tree, belongs to the family of birch (Betulaceae) and is a fruit of the genus Corylus. It is a plant of low height or in the form of a bush. The plant, in which the female and male flowers are located in a separate tree, has a single plant.

It is marble-sized and thin.It has dark brown tones. It is a high fiber food. Hazelnut, which has similar colors with its outer shell, is generally preferred in the chocolate and pastry sector.



There are 15 types of nuts, which are named according to their shape and size. The varieties grown in our country are; round, almond and pointed hazelnut.


What are the kind of hazelnuts in Turkey ?


  • FOSA Hazelnut: Generally grown in Trabzon in Turkey. It has a hard shell in reddish brown tones. Its internal efficiency is 50-53%, and the oil rate is 69.69%.

  • Fat Hazelnut: The high productivity of this species taken important crop grown in Turkey are addressed to about 80% of the crop. Cultivation is carried out especially in the Giresun region. Its bark, has bright brown tones,Its internal efficiency is 50-52%, and the fat rate is 69-72%.

  • Palaz Hazelnut : It is more flamboyant than chubby hazelnut, but not more delicious. Usually it is grown in Ordu in Turkey. It has an easy-to-break shell covered brown tones. Its internal efficiency is 49-51%, and the fat rate is 64-68%.

  • Kan Hazelnut: This is very popular type in Turkey. It is very delicious type . Blood nuts are generally found in the Trabzon region. It has a shell thickness of 0.9 mm. Its internal efficiency is 52-54%, and the oil rate is 66-69%.

  • Cavcava Hazelnut: This hazelnut, whose agriculture is less than other species, has a brown crust of 0.9-1 mm thickness. Its internal efficiency is 52-54%, and the fat rate is 63-66%.

  • Kalinkara Hazelnut: Contrary to the growing conditions of the hazelnut, this species, which is not very selective, is grown simply and quite much. Its shell, which is in dull brown tones, has a thickness of 1.3 mm. Its internal efficiency is 48-49%, and the oil rate is 59-64%.

  • Cakildak Hazelnuts: This kind in the western Black Sea in Turkey, which has high yield "delisava " known as. It is common in the Ordu region. Its light colored shells have a thickness of 1.2 mm. Its internal efficiency is 52-54%, and the fat rate is 58-63%.

  • Uzunmusa Hazelnut: This type has a large physique. İt is growin especially in Ordu,Turkey . Its thin crust is in reddish brown tones. Its internal efficiency is 54-56%, and the fat rate is 64-68%.

  • Kargalak Hazelnut: This species, which has a very showy and large physique, is not cultivated much. Trabzon in Turkey are seen in some places. It has a thick crust structure. Its internal efficiency is 46-58%, and the oil rate is 57-63%.

  • Mincane Hazelnut: The low efficiency of this type are usually grown in Trabzon in Turkey. Its easily broken shells are in light brown tones. Its internal efficiency is 48-50%,

What are the Features of Hazelnut ?


The plant, which started to bloom mostly with the spring before the leaves; They have pointed, toothed edges and oval or round, hairy leaves. Harvesting the fruits consisting of the leaves of the female flower, which has a red color of 1-3 mm in length, in Turkey is carried out in July - August . Having a yellow color of 5-12 cm in length is a male flower. Nuks fruit is 1-3 lengths, 1-2 cm in diameter and has hairs surrounding the shell.

Hazelnut tree; In the winter months, it likes temperate climates and humus-rich soils. Hard climatic conditions and calcareous soils are factors that adversely affect hazelnut yield. It needs an annual average of 1000-2000 m3 of precipitation. The tree, which does not take root deeply, sheds its leaves in winter.

Since many types of hazelnuts, which are rested for a year and yield a year, are infertile, they give more products with foreign fertilization. In some regions, hazelnut grown as a single trunk tree can grow up to 15-20 meters.

Hazelnuts can be planted in spring and autumn in Turkey. Hazelnuts is among the major export products in Turkey. Turkey is providing a substantial proportion of 62-65% of world hazelnut production is 80% of the nuts grown in the Black Sea region of Turkey. Within the ecological conditions, 20-125 kilograms of hazelnuts can be taken from its acres. The maintenance of the tree, which is encouraged to be produced, is very laborious.

Hazelnut, which has a high nutritional value; It has a very rich content in terms of vitamins E, K, C, iron, selenium, copper, zinc, magnesium minerals folic acid, protein and fiber.


Nutritional Value of Hazelnut


Hazelnut, which has a high nutritional value; It has a very rich content in terms of vitamins E, K, C, iron, selenium, copper, zinc, magnesium minerals folic acid, protein and fiber.


In this section, we will write the nutritional values ​​of 1 handful of hazelnuts.


  • 14.58 g Fat

  • 3.59 g Protein

  • 4.01 g Carbohydrate

  • 2.33 g Fiber

  • 0 mg Cholesterol

  • 27.36 mg Calcium

  • 0 mg Sodium

  • 163.2 mg Potassium

  • 4.8 iu Vitamin A

  • 1.51 mg Vitamin C

  • 1.13 Iron

Chemical Components in Hazelnut


It contains many valuable substances such as nutritional values ​​of hazelnut. The figures below are given in% (percent).


  • Chemical composition 15.98

  • Energy (kcal) 672

  • Oil 60.51

  • Saturated 4.76

  • Polyunsaturated fat 5.43

  • Monounsaturated fat 50.32

  • Carbohydrate 16.83

  • Sugar 3.58

  • Water 4.45

  • Ash 2.23

About the Benefits of Hazelnut

Hazelnut, a nutritious food with a rich nutrient content, is a very important food for health. The unroasted form of the nut, which is also effective in repairing DNA damage and can be consumed both raw and roasted, contains more antioxidants.


  • Cardiovascular Health: It plays a role in preventing the risk of heart attack. Built oleic acid provides lowering of malignant cholesterol. With the antioxidant feature, the characteristic of coronary artery disorders is also effective. In addition, the composition of arginine is for a protective effect on vascular health.

  • Cancer Prevention : As hazelnut contains high levels of vitamin E, it is effective in preventing cancer. It is a protective shield especially against bladder cancer.

  • Diabetes: Hazelnut plays a role in reducing the risk of type 2 diabetes, thanks to the fibers it contains.

  • Bones and Muscles : Nut consumption is important for bone development and strengthening. Because it contains magnesium and calcium minerals. Bone loss (osteoporosis) has a preventive effect on the occurrence of the problem. In addition, hazelnut thanks to these minerals; It is therapeutic in muscle cramps, pains, spasms, tensions and fatigue.

  • Nervous System: Hazelnut contains the healthy functioning of your nervous nerve with the amino acid and vitamin B6 it contains. Fruit that takes part in the formation of myelin in the content of hormones such as epinephrine, serotonin, melatonin, contains vitamin B6.

  • Digestive System: Hazelnut, to protect the digestive system health thanks to the manganese mineral it contains. Hazelnut with high fiber is also preferred for pumpkin treatment because you choose bowel

  • Increasing Fertility: Because hazelnut increases the fertility rate. In addition, it is one of the foods that can be easily consumed in solving the problem of constipation that may occur during pregnancy.

  • Menstrual Pain: Hazelnut is a preferred natural drug study for relieving menstrual pain.

  • Against Stress: In the content of hazelnut containing B vitamins; It provides a positive effect in the solution of problems such as stress, depression, anxiety and schizophrenia.

  • Skin Health: Thanks to the vitamin E it contains; By protecting the skin from various harmful factors, it can play a role in preventing negativities such as premature aging and skin cancer. In addition, the use of hazelnut oil is a natural protector against the effects of UV rays.

  • Hair Health: It is for removing the drying of the hair and its color is natural.

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