Perilla (Perilla frutescens (L.) Britt. Var. arguta (Benth.) Hand.-Mazz.) is a plant traditionally used both for medicine and for food in China, and its leaves and seeds contain various kinds of secondary metabolites with high bioactivity. To fully utilize all the parts of perilla, the present work conducted a comprehensive study on the extraction, isolation, preparation and properties of three kinds of second metabolites, i.e. anthocyanin, flavonoid glycoside and perilla ketone. The fat-soluble crud...