Fuente: WIPO "essential oil or extracts" Patent 526412 Disclosed is a composition to repel or kill insects, fungi, nematodes and bacteria, comprising, as an active ingredient, an essential oil or a component thereof, wherein the essential oil or component thereof is derived from at least one plant species in the Family Labiatae and Umbellifera. Also disclosed are methods of protecting a plant against pathogenic or parasitic organisms and preserving food in a container for storage by applying the composition to the plant or food at a concentration of between 1 and 1000 ppm.