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Hazelnuts Benefit Your Health

Posted by Silkytrend Admin on

The hazelnut, also known as the filbert, is a type of nut that comes from the Corylus tree. It is mostly cultivated in Turkey, Italy, Spain and the United States.

Hazelnuts have a sweet flavour and can be eaten raw, roasted or ground into a paste.

Like other nuts, hazelnuts are rich in nutrients and have a high content of protein, fats, vitamins and minerals. Here are seven evidence-based health benefits of hazelnuts

Full of Nutrients

Hazelnuts have a great nutrient profile. Although they are high in calories, they are loaded with nutrients and healthy fats.

One ounce (28 grams, or about 20 whole kernels) of hazelnuts contains:

  • Calories: 176
  • Total fat: 17 grams
  • Protein: 4.2 grams
  • Carbs: 4.7 grams
  • Fiber: 2.7 grams
  • Vitamin E: 21% of the RDI
  • Thiamin: 12% of the RDI
  • Magnesium: 12% of the RDI
  • Copper: 24% of the RDI
  • Manganese: 87% of the RDI

Hazelnuts also contain decent amounts of vitamin B6, folate, phosphorus, potassium and zinc.

Additionally, they are a rich source of mono- and polyunsaturated fats and contain a good amount of omega-6 and omega-9 fatty acids, such as oleic acid.

Furthermore, a one-ounce serving provides 11.2 grams of dietary fiber, which accounts for about 11% of the RDI.

However, hazelnuts contain phytic acid, which has been shown to impair the absorption of some minerals, like iron and zinc, from the nuts.

 

May Be Good for the Heart

Eating nuts has been shown to protect the heart.

In hazelnuts, the high concentration of antioxidants and healthy fats may increase antioxidant potential and lower cholesterol levels in the blood.

One month-long study observed 21 people with high cholesterol levels who consumed 18–20% of their total daily calorie intake from hazelnuts. The results showed that cholesterol, triglycerides and bad LDL cholesterol levels were reduced.

Participants also experienced improvements to artery health and inflammation markers in the blood.

Moreover, a review of nine studies including over 400 people also saw reductions in bad LDL and total cholesterol levels in those who ate hazelnuts, while good HDL cholesterol and triglycerides remained unchanged.

Other studies have shown similar effects on heart health, with results demonstrating lower blood fat levels and increased vitamin E levels.

Moreover, the high content of fatty acids, dietary fiber, antioxidants, potassium and magnesium in hazelnuts seems to help normalize blood pressure.

In general, eating 29 to 69 grams of hazelnuts per day has been linked to improvements in heart health parameters.

 

Linked With Lower Rates of Cancer

Hazelnuts’ high concentration of antioxidant compounds, vitamins and minerals could give them some anti-cancer properties.

Among other nuts like pecans and pistachios, hazelnuts have the highest concentration of a category of antioxidant known as proanthocyanidins.

Some test-tube and animal studies have shown that proanthocyanidins may help prevent and treat some types of cancers. It is thought that they protect against oxidative stress.

Additionally, hazelnuts are rich in vitamin E, another powerful antioxidant that has exhibited possible protection against cell damage that could cause or promote cancer.

Similarly, hazelnuts provide a whopping 87% the RDI for manganese in a one-ounce serving.

Manganese has shown to help the functions of specific enzymes that could reduce oxidative damage and decrease the risk of cancer.

A couple of test-tube studies showed that hazelnut extract could be beneficial in the treatment of cervical, liver, breast and colon cancer.

Furthermore, an animal study using a product made from hazelnut skin extract resulted in a decreased risk of colon cancer after the eight-week study period.

Since most studies investigating the benefits of hazelnuts against cancer development have been done in test tubes and animals, more studies are needed in humans.

May Help Lower Blood Sugar Levels

Nuts, like almonds and walnuts, have been shown to help reduce blood sugar levels.

Although not abundant, there is research that hazelnuts may also help reduce blood sugar levels.

One study explored the effect of hazelnuts on fasting blood sugar levels in 48 people with type 2 diabetes. About half consumed hazelnuts as a snack, while the others served as a control group.

After eight weeks, the hazelnut group did not experience significant reductions in fasting blood sugar levels.

However, another study gave a combination of 30 grams of mixed nuts — 15 grams walnuts, 7.5 grams almonds and 7.5 grams hazelnuts — to 50 people with metabolic syndrome.

After 12 weeks, the results showed a significant reduction in fasting insulin levels.

Additionally, oleic acid, which is the main fatty acid in hazelnuts, has been shown to have beneficial effects on insulin sensitivity.

A two-month study showed that a diet rich in oleic acid significantly reduced fasting blood sugar and insulin levels, while increasing insulin sensitivity, in 11 people with type 2 diabetes.

It seems that a diet rich in nuts, including hazelnuts, could help lower your blood sugar and increase insulin sensitivity.

Easy to Add to Your Diet

Hazelnuts can be incorporated into the diet as a healthy snack or as an ingredient in many dishes.

You can purchase and enjoy them raw, roasted, whole, sliced or ground. Interestingly enough, it seems that people prefer sliced and whole hazelnuts rather than ground ones.

While the highest concentration of antioxidants is in the skin, some recipes require you to remove the skin. This can be done by baking the kernels in the oven for about 10 minutes, which makes the skins easy to then peel.

Peeled hazelnuts can be ground to make flour for baking or to make hazelnut butter, a nutritious spread.

Moreover, hazelnuts can also be coated with chocolate or spices, like cinnamon or cayenne, for a sweet or spicy treat.

They also make a great complement to cakes or topping for ice creams and other desserts.

  

Hazelnuts are packed with nutrients, including vitamins, minerals, antioxidant compounds and healthy fats.

They may also have health benefits, including helping decrease blood fat levels, regulating blood pressure, reducing inflammation and improving blood sugar levels, among others.

On the downside, just like other nuts, hazelnuts may cause allergic reactions in some people.

All in all, hazelnuts are an excellent and delicious source of nutrients that can be easily incorporated into your diet.


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