surface pasteurization or disinfection by ultraviolet irradiation http://www.langual.org/langual_thesaurus.asp?termid=J0115 LanguaL curation note: Used when sufficient ultraviolet radiation is applied to destroy most pathogenic and spoilage organisms present on the surface or to inhibit sprouting of stored agricultural produce and destroy storage pests. When followed by refrigeration, also index *preservation by CHILLING*. preservation by irradiation