Fuente: WIPO "essential oil or extracts" Apparatuses, systems, methods, and computer program products are disclosed for extracting essential oil from plant material. A distillation chamber is coupleable in fluid receiving communication with a steam source via a first valve and the distillation chamber has a first temperature sensor and a vapor outlet. Steam from a steam source and essential oil vapor operably exit a distillation chamber through a vapor outlet. A condenser is in fluid receiving communication with a vapor outlet of a distillation chamber and steam and essential oil vapor are condensed in the condenser to form liquid water and essential oil product, respectively, that operably exit through a liquid outlet. A controller is configured to control a first valve based on readings from a first temperature sensor.