Дослідження ефективності ряду розчинників щодо можливості екстрагування хлорогенової кислоти зі соняшникового шроту

Abstract

The materials of the article consider the issue of fats oxidation and the negative impact of this phenomenon on the quality of fat-containing food and the human body in general. The control method of oxidation processes and their effects with antioxidants is described and the main antioxidant composition of sunflower seed meal is presented as a promising raw material for the production of compounds - antioxidants. Methods of extraction of chlorogenic acid from the plant matrix, which include various variants of physical action using ultrasound and ultrahigh frequency generators, methods using organic solvents and water-alcohol solutions, as well as subcritical water, are also considered. Taking into account the advantages and disadvantages, the direction for further research with the use of solvent extractives was chosen. After studying and analyzing the properties of chlorogenic acid as the main phenolic compound of sunflower seed meal, a range of extractants was selected. In the process of research, the effectiveness of a number of selected solvents has been determined for the extraction ability of chlorogenic acid. Several extractant selected that showed the most effective: acetamide 100%, 5% solution of acetamide in an aqueous 80% ethanol solution, 80% ethanolic aqueous solution, and a mixture of acetamide and ethyl alcohol solution at a concentration of 80% in the ratio 30:70. Taking into account the cost of solvents and the ease of conducting research, an aqueous solution of ethyl alcohol with a concentration of 80% was chosen as the optimum extractan.