1, walnut

Walnut, also known as walnut and peach, belongs to Juglandaceae. Together with almonds, cashews and hazelnuts, it is called the world-famous "four dried fruits". Walnut kernel is rich in nutrients, with protein15 ~ 20g per 100g, more fat and carbohydrate10g; It also contains a variety of trace elements and minerals such as calcium, phosphorus and iron, as well as a variety of vitamins such as carotene and riboflavin. It is beneficial to the human body and can strengthen the brain. It is one of the nut foods deeply loved by ordinary people. Known as "Long live the son" and "longevity fruit".

2. Hickory

Carya cathayensis, also known as Juglans mandshurica and Juglans mandshurica. It is a deciduous tree belonging to Carya of Juglandaceae, with a height of10-20m and a DBH of 30-60cm. The bark is smooth, gray and smooth; Branchlets are thin, new branches are densely covered with shield-shaped orange glands, and then the glands gradually become sparse. 1 annual branches are purple-gray, and the upper ends are often covered with sparse pubescence, and the lenticels are round and sparse.

3. Carya cathayensis contains linoleic acid, linolenic acid and various trace elements. If people can eat walnut food regularly, they can reduce cholesterol in the blood.

4. Carya cathayensis is also rich in minerals such as calcium, phosphorus, iron, potassium, magnesium, zinc, manganese and other vitamins. Eating it regularly not only has the function of strengthening the brain, but also has the effect of preventing hypertension, cardiovascular and cerebrovascular diseases.

5. Carya cathayensis is rich in vitamin E, which can improve the physiological activity of human skin and contribute to beauty.