Fecha de publicación: 07/07/2022 Fuente: WIPO "propolis" The present invention relates to preparation in the form of an oral spray solution, comprising the essential oil of Salvia fruticosa Mill. (Anatolian sage), the essential oil of Eucalyptus camaldulensis Dehn. (Eucalyptus), the essential oil of Origanum majorana L. (Sweet Marjoram), the essential oil of Matricaria chamomilla L. (German chamomile), the essential oil of Citrus limon (L.) Osbeck (Lemon), propolis extract and Pruni amygdali var. dulci Oleum (Sweet Almond Oil) as a carrier in the combined composition.