Linseed oil is the "liquid gold" in the family of edible oil. It is the processed from linseed oil by cold pressing process or refining process.

Linseed (also known as hemp seed) is an annual herb seed. This small reddish brown fruit has a strong flavor of nuts, even in Linseed’s baked food. In fact, many European countries often use such cereals, such as biscuits, cakes, bread and so on. The most important product of linseed is the linseed oil. More than half of the fatty acids in linseed oil is α-linolenic acid, which is an n-3 poly-unsaturated fatty acid, belonging to the same class of the active ingredients of fish oil, EPA and DHA.