Professor of the Department of Technology and Organization of Public Catering of the Institute of Sport, Tourism and Service of South Ural State University Sobhy El-Sohaimy, jointly with his colleagues from Egypt, Yekaterinburg and Moscow, conducted a comprehensive study of natural preservatives: apple peel extract, sea buckthorn fruits, black currant leaves and grape pomace. The result was published in the major Russian journal Agrarian Science.
