Do you want to know about the properties of hazelnut? Here we detail everything related to hazelnut benefits and contraindications (disadvantages), but first we are going to analyze the botanical aspect of the hazelnut itself (shrub).
Hazel is a type of deciduous tree or shrub, part of the Betulaceae family, which can be found growing at the foot of beech and oak forests.
It grows from 4 to 6 meters high, native to Asia Minor, but known since ancient times in Greece, Italy, Turkey, Spain and later spread in all areas with temperate and humid climates around Europe, America and Asia.
Chinese manuscripts mentioned hazelnuts 5,000 years ago when they were used both for food and for their therapeutic properties.
The 17th century marked the first hazelnut crops in Europe. In 1995, archaeological excavations in Scotland revealed traces of a pit where large amounts of hazelnut shells were dumped. Carbon-14 analysis revealed that those footprints date back nearly 9,000 years.
Currently, the largest producer of hazelnuts is Turkey, with more than 75% of world production. There are innumerable varieties of hazelnut, whose fruit generally grows in threes, ripening in late summer, between August and October. When the hard shell turns yellowish brown, it is a sign that the hazelnuts are ripe.
If not eaten immediately, raw or roasted, hazelnuts can be stored in their shells for long periods of time, even until the next season.
The hazel tree lives for many years without special care and can be grown in any garden. The hazelnut soil is a very good base for the development of truffles.
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Chemical composition
The leaves contain myricetin, caffeic acid, chlorogenic acid, quercetin, betulin, volatile oil, sugars, minerals.
Hazelnuts (seeds) contain water (approximately 3.5%), oil (62%), proteins (14%), carbohydrates (13%), potassium salts (635mg%), calcium (225mg%), phosphorus (330mg% ), iron (3.8% mg), sodium (2 mg%), traces of copper, vitamin A, vitamin B1 (0.04 mg%), vitamin B2 (0.02mg%), niacin (1.4 mg%), vitamin C (3mg%).
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Health benefits of hazelnuts
They have a very high nutritional value. In terms of energy, 100 g of shelled hazelnuts contain 690 calories, of which 89% are absorbed.
They are recommended for patients with tuberculosis and diabetes, as they have energizing effects. Hazelnuts should be consumed as such or ground, mixed with honey. hazelnuts benefits and contraindications
Hazelnuts are especially recommended for anemic people, pregnant women, children and the elderly. Eating 20 hazelnuts in the morning and 20 in the evening has a beneficial effect on the body. Also, they are extremely effective in dissolving kidney stones.
They have a high concentration of vitamin E and B (B1, B6, B9), so they have an excellent antioxidant effect, killing free radicals.
The B complex vitamins control metabolism, playing an essential role in the synthesis of neurotransmitters; They also contribute to the “manufacturing” of red blood cells, stimulate immunity, etc.
Hazelnuts contain monounsaturated fatty acids (such as omega 9) which, among other benefits, prevent obesity and the onset of type 2 diabetes by maintaining good blood sugar levels.hazelnuts benefits and contraindications
Certain compounds in hazelnuts (taxanes) have anticancer effects
The active principles of the leaves have vasoconstrictive, antibacterial, anti-inflammatory, anti-edematous and healing properties.
The oil extracted from the seeds has emollient, hypotensive, anti-anemic and anthelmintic (against tapeworm) properties.
The flowers have anti-diarrheal properties. The buds have sudorific and astringent effects. The bark is used as a febrifuge, in malaria.
Traditional medicine uses the leaves in the form of an aqueous or hydroalcoholic extract to treat small injuries, and the bark is used in cases of non-specific intermittent fever.hazelnuts benefits and contraindications
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Internal use
1.For the treatment and removal of tapeworms: oil. Take one tablespoon every morning on an empty stomach for 15 days.
2. To treat minor internal bleeding: infusion of 1 teaspoon of dried and ground leaves and a cup (200 ml) of boiling water. Leave it covered for 5-10 minutes. Decant and drink hot. It acts as a vasoconstrictor.
3. For the treatment of hemorrhoids and small chronic internal bleeding: decoction of 1 teaspoon of dried and ground leaves and a cup (200 ml) of water. Boil for 5 minutes over medium heat. Decant and drink hot.
4. For the elimination of toxins (sweat) and as an astringent: infusion of 1 tablespoon of yolks and a cup (200 ml) of boiling water. Leave covered for 10 minutes, then decant. Drink 1-2 cups per day.
5. For the treatment of mild anemia: consume the seeds obtained by breaking the fruit. Nitrates, phosphorus, potassium, iron ensure proper functioning of the body and are highly recommended in cases of anemia.hazelnuts benefits and contraindications
6. As an adjuvant in the treatment of epidemic hepatitis, consecutive liver failure, asthma, pulmonary emphysema and silicosis: infusion of 1-2 tablespoons of yolks and a cup of boiling water (250 ml). Leave covered for 15 minutes, then decant. Drink 2 cups a day. It tones the liver parenchyma and restores the elasticity of the lung tissue.
7.For the treatment of varicose veins and edema in the feet: fluid extract (pharmaceutical preparation) of the leaves. Use it in doses of 60-80 drops a day. varicose veins
8. To strengthen the nervous system, as a remedy for diabetics, kidney patients (renal colic, stones), lung patients (tuberculosis) and longevity: hazelnut seeds consumed as such, at least 40 per day (20 in the morning and 20 in the afternoon) for 20-30 days.
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External use
It is used in the treatment of ulcers, periphlebitis, erythrocyanosis of the lower extremities, ringworm, impetigo: decoction of 1 tablespoon of dried and ground leaves and a cup of water (200 ml). Use it to bandage the affected area several times a day.
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Contraindications, disadvantages, cons and side effects of hazelnut
Hazelnut appears to be safe for most people in food amounts. But some people are allergic to hazelnuts and have had severe allergic reactions, including life-threatening breathing problems (anaphylaxis).
People who are allergic to peanuts, mugwort pollen, Brazil nuts, birch pollen, and macadamia nuts may also be allergic to hazelnuts.
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