Walnut is called as natural invigorant because of its rich nutrition; walnut can be eaten directly or oil manufacture.Walnut kernels have rich fat, normally 60%, 75%~80% max. Every 100kgs of walnut kernels can manufacture 50~60kgs of walnut oil. Walnut oil smells refreshing fragrance, is mainly made up of unsaturated fatty acid, more than 77% of which are fatty acids and linoleic acid which the human body must need. Walnut kernels also have rich mineral elements of phosphorus, calcium, magnesium, iron, zinc and various vitamin, so walnut kernels have good help in health care, having the effect of preventing and treating coronary disease, promoting skin development, keeping skin nutrition, making skin fine and smooth. mineral elements have special function for the growing development of child and youth, and also have the effect of improving view vision and enhancing memory. According to the "compendium of Materia Medica" records, walnut kernels can supplement qi and nourish blood, moisten dryness and resolve phlegm. So to elderly people, the walnut kernels have the effect of warming and tonifying the lung, stopping ssthma and reducing phlegm.When the walnut tree is in the full bearing period, needing thinning overmuch staminate flower during the planting management to reduce the use up of the nutrient and water into the walnut tree, and then promoting pistillate flower growth, blossom and fruit, increasing the walnut quality and output. The walnut male flower is non-toxic and harmless, but fresh and tender, rich in sugar, protein, lipids and vitamin. After heating up the walnut male flower with boiling water, clean the male flower with clean water, add oil and flavouring, and then one course of delicious salad is finished. If collecting the walnut male flower in big amount, and dry these walnut staminate flower up, these walnut male flower can be stored and eaten for long time. The method of processing the walnut staminate flower is similar to that of processing wild herb. The walnut tree crown is normally harlf round, walnut tree trunk is high and walnut tree limb is tall and straight.The green of walnut tree is cool, and walnut tree sends out pleasant smell. So, walnut tree is normally planted on the both sides of streets or as ornamental tree species. Because walnut tree has big tree crown, much leaves and root system, walnut tree is planted on massif talus slope for water conservation and conservation of both moisture and soil. Because the walnut tree is with big tree body, fast growing and long life, and also can be manufactured into good wood, walnut tree is one of the main tree species of protection forest.Walnut wood is with proper strength, strong impact resistance, stable size property, and be beneficial to hold by hand, walnut wood is traditional military material, wood for musical instruments, wood for sport equipment, wood for stationery instrument, wood for senior furniture, etc.Walnut tree leaves can be used to cure wound, skin disease and enterogastric disease. After boiling the walnut tree bark into the water, using the water wipe the human body can cure the body itching. After boiling the walnut tree bark and poplar tree bark into the water, using the water can cure scrotum eczema.Walnut pericarpium citri reticulatae viride has medical uses and can produce dyes, and can cure some skin diseases and gastralgia.Walnut shell can be used in stone grinding, asphalt felt industry, activated carbon production. And walnut shell can be also trituration as fertilizer.Walnut shell is belong to soft plant polishing material, possessing excellent abrasion performance, even particle size, very high shell content. Walnut shell is used widely in the cleaning and polishing of the parts of mould, instrument, motor, plastic, jewel, glasses, watch, brassie, hairpin, botton, etc. Walnut shell filter has the advantages of strong adsorption forces, big interception amount, oil immersion resistance, double-effect removal of oil and suspended matters, and easy regenerate, etc. The skilled craftsmen make different series of interior decoration from wild walnut shell, such as desk lamp, flower vase, ashtray, tissue case, etc.In a word, the whole body of walnut tree is treasure, further processing is without any pollution. By processing industry, can promote the walnut industry achieve into virtuous cycle.
