Linseed oil and method for preparation thereof

Abstract

Processed linseed oil essentially consisting of linolenic, linolic and oleic acids, mainly in the form of triglycerides, its content of free tocoferol being less than about 100 ppm; and a process for the manufacture of linseed oil comprising the following steps: a) heating crude linseed oil to an increased temperature lower than the boiling point of water, b) adding a heated inorganic acid to the oil and mixing the oil, c) separation of precipitated materials, d) adding a heated aqueous solution of alkali to the oil and mixing the oil, e) discharge of the soap formed, and f) rinsing the oil with hot water until a clear rinsing water is obtained.

Dependencies are inferred from the claim text.