Process for producing antioxidant compounds from walnut kernel skin (Juglans regia L.)

摘要

The invention relates to a process for producing antioxidant compounds from walnut kernel skin (Juglans regia L.) and can be used in the food industry, medicine and cosmetology.The process, according to the invention, consists in that is separated the skin from the kernel, is dried to a humidity of 6…8% and milled, is macerated the resultant powder with 20…70% ethyl alcohol solution, taken in the ratio of 1: 20 respectively, at a temperature of 15…30°C, with constant stirring to the total content of polyphenolic substances in the dry residue of the extract of at least 50%, then the liquid phase of the extract is separated by centrifugation at 10,000 rpm/min for 15 min or by decantation and filtration.