Walnut oil contains rich linoleic acid and linolenic acid and essential fatty acids of human body, especially the linolenic acid in the walnut oil content is significantly higher than the common vegetable oils, which is the major source of W3 fatty acid for human body. Walnut oil is a kind of advanced edible healthy oil.
In the industry, walnut oil is a drying oil. Walnut oil products have wide market prospects, and people should pay enough attention to walnut oil processing industry.
Press walnut oil
Spiral squeezing of walnut oil is a common physical squeezing method. Before walnut oil squeezing, need to do pretreatment of the walnut kernel shell separation, and then extract walnut oil by twice cold pressing walnut kernel.
Walnut oil squeezing has advantages: a short process, simple equipment, easy operation, less investment, quick effect. In addition, the physical squeezing of walnut oil can fully save nutrition of walnut oil, which has high quality, unique flavor without solvent residue.
Walnut oil’s manufacturing method: use water to replace oil; use the different density of water and oil, and oil is isolated by physical methods. After crushing walnut shell, roguing, by peeling, frying, pulping, mixing oil, vibrating separating oil, finally static settlement, subpackaging, obtain the finished walnut oil. Its process is simple, safe, reliable and economic, but there exists disadvantages such as low yield rate and difficult separation.
