Put the walnut oil in the environment of-10- 15 degrees for 2 hours. If there are no crystals, flocculent substances and precipitated impurities in the walnut oil, it is high-quality walnut oil without any additives. On the contrary, it is definitely not high-quality walnut oil. ?

2. Watch the walnut oil liquid method

High-quality walnut oil, clear and transparent, pale yellow.

3, production process comparison method

There are generally two kinds of production techniques: cold pressed walnut oil and hot pressed walnut oil.

Generally, the cold pressing method is processed at an environment below 60℃, and the nutrients are most completely preserved. Cold-pressed seeds are not roasted, so they have poor smell, but good color.

Hot pressing is to fry and bake the seeds of oil crops and squeeze them, which has a special smell, dark color and high yield. Less residue is left in the product, which is easy to preserve.

4. Taste method

When high-quality walnut oil is eaten with food, it tastes fragrant and natural, and its taste is light.