Walnut, as a woody oil-bearing fruit tree with high economic value, has a long history of cultivation in China. The word walnut first appeared in Compendium of Materia Medica, with other aliases such as walnut and peach. Walnut kernel has been considered as a good health care product since ancient times.

Introduction of Chinese ancient dietotherapy Walnut kernel has high nutritional value, and many medical books mention that Walnut is sweet and warm. It has the effects of "benefiting qi and nourishing blood, moistening dryness and resolving phlegm, warming lung and moistening intestine, and treating deficiency cold, asthma and cough, severe pain in waist and feet, hernia in heart and mouth, bloody diarrhea and intestinal wind".

What nutrition can you supplement by eating walnuts often? Chinese medicine says that medicine and food are homologous, and medicine tonic is not as good as food tonic. What nutrients can be supplemented by eating walnuts regularly are as follows:

1. Walnut contains 50-64g of fat per 100g, including linoleic acid 7 1%, linolenic acid 12% and protein 15-20g. protein is also a high-quality protein. The fat and protein in walnuts are the best nutrients for the brain.

2. Every 100g walnut contains sugar 10g, and contains nutrients such as calcium, phosphorus, iron, carotene, riboflavin (vitamin B2), vitamin B6, vitamin E, juglone, phospholipid, tannin, etc.

Health reminder of ancient Chinese medicine: because walnuts contain the above nutrients, such as sufficient linoleic acid and linolenic acid, it can improve the working efficiency of the brain and help alleviate and prevent cardiovascular diseases; Walnut contains a variety of trace elements, which are essential mineral elements for human health. The rich vitamin E in walnuts can protect cells from free radical oxidation, and has a certain beauty effect.