essential oil of Rosa damascena and its correlation with Anthocyanin The effects of anthocyanin in rose Rosa damascena essential oil is one of the most valuable and important basic materials in the flavoring industry. It also has some medicinal properties. The aim of this study was to determine the relationship between anthocyanin and the essential oil content of rose petals in 6 important rose growing areas in some regions of middle east , for example Meimand, Lizengan, Era