Hazelnut

Hazelnuts whole with_kernels

Introduction

Hazelnut, also known by its scientific name Corylus avellana, is a small tree that belongs to the birch family, Betulaceae. The tree is native to Europe and Asia and is widely cultivated for its nuts. Hazelnuts have a sweet, nutty flavor and are a popular ingredient in many desserts, as well as a nutritious snack.

History

Hazelnuts have been used for food and medicine since ancient times. They were first cultivated by the Greeks and Romans and were highly prized for their nutritional value. Hazelnuts were also used in traditional medicine to treat a variety of ailments, including fever and coughs.

Description

The hazelnut tree is a small deciduous tree that can grow up to 12 meters tall. It has a rounded crown and smooth, gray bark. The leaves are oval-shaped and have a serrated edge. The tree produces small, yellowish-green flowers in the spring, which are followed by the nuts in the fall.

Hazelnuts are small, round nuts that are enclosed in a hard, woody shell. The nuts are usually brown in color and have a sweet, nutty flavor. They are rich in protein, healthy fats, and other nutrients, making them a popular snack and ingredient in many recipes.

Cultivation

Hazelnut trees prefer a temperate climate and well-drained soil. They are typically grown in areas with mild winters and cool summers, such as the Pacific Northwest in the United States. The trees can be propagated by seed or by grafting, and they typically take 3-4 years to begin producing nuts.

Uses

Hazelnuts are primarily used in culinary applications, such as baking and confectionery. They can be used in a variety of recipes, including cakes, cookies, and chocolates. Hazelnut oil is also used in cooking and can be used as a salad dressing or in marinades.

Hazelnuts are also used in the production of Nutella, a popular hazelnut spread. Hazelnut shells are used as a fuel source and can be burned for energy.

Health Benefits

Hazelnuts are a good source of protein, healthy fats, fiber, and other nutrients. They are rich in antioxidants, which can help protect against oxidative stress and inflammation. Eating hazelnuts may also help improve heart health and lower cholesterol levels.

References

<references> Alasalvar C, Bolling BW. Review of Nut Phytochemicals, Fat-Soluble Bioactives, Antioxidants, and Health Effects. Nutr Rev. 2015;73(7):409-425. doi:10.1093/nutrit/nuv002 De Oliveira LE, de Souza Ferreira SB, Ferraz da Costa DC, et al. Hazelnuts (Corylus avellana L.) Protect Intestinal Cells from Oxidative Stress. Nutrients. 2021;13(5):1626. Published 2021 May 9. doi:10.3390/nu13051626 Meydani M, Hasan ST. Dietary Polyphenols and Obesity. Nutrients. 2010;2(7):737-751. Published 2010 Jun 28. doi:10.3390/nu2070737 </references>

Gallery

• 
  Hazelnut Tree
• 
  Hazelnuts

See also

Almond Walnut Peanut

External links

Health Benefits of Hazelnuts

Categories

This article is a medical stub. You can help WikiMD by expanding it!
Most recent articles Ongoing trials	Wikipedia