1. Hazelnut. Hazelnut is one of the four major nuts and one of the important nut tree species. It is a woody oil tree species. There are 16 species of hazelnuts in the world, mainly distributed in Asia, Europe and North America. The fruit is oval in shape and has a yellowish brown color. The hazelnut kernel is fragrant, sweet and oily. The main production area is Turkey. There are also hazelnut planting areas in my country, mainly distributed in the vast mountainous areas of Northeast and North China. There are also wild varieties of hazelnuts, which are collected by local people and sold as mountain products.

2. Walnuts. Walnuts are also one of the four major nuts. Walnuts, also known as walnuts and walnuts, are Juglandaceae plants and are rich in nutrients. Each 100 grams of walnuts contains 15-20 grams of protein, as well as calcium, phosphorus, iron and other essential nutrients for the human body. Trace elements and minerals, as well as carotene, riboflavin and other vitamins, are beneficial to the human body and can strengthen the brain, and are loved by the public.

3. Almonds. Almonds are one of the four major nuts, including the kernels of almond trees and almonds. During the fruit ripening season, after the almond core is peeled off, you will see slightly flattened egg-shaped almonds wrapped in a brown coat. Almonds are The fruits of crops that grow in warm temperate zones like warm and sunny climates, so generally almond trees are mostly planted in sunny places where they can bathe in sunlight. Almonds contain 20% of protein and do not contain starch. They are ground and processed. After pressing, the oil squeezed out is about half of its own weight. Almond oil is light yellow and has the effect of softening the skin.

4. Cashew nuts. Cashew nuts are also known as cashew nuts, chicken cashew nuts, and longevity nuts. Cashew nuts are a kidney-shaped nut with rich nutritional value. They can be used for cooking and medicinal purposes. They are one of the four famous nuts in the world. Cashew nuts are very nutritious. It is rich in fat, up to 47%, protein 21.2%, carbohydrate 22.3%, and contains A, B1, B2 and other vitamins and minerals, especially trace elements such as manganese, chromium, magnesium, and selenium. It has antioxidant, anti-aging, Anti-tumor and anti-cardiovascular effects.