Cinnamon oil extraction method and preparation method of cinnamon oil microcapsule perfume product

The invention relates to the technical field of cinnamon oil perfume production, in particular to a cinnamon oil extraction method and a preparation method of a cinnamon oil microcapsule perfume product. The cinnamon oil extraction method comprises the following steps: S1, adding liquid nitrogen into cinnamon bark, freezing, and grinding into powder; s2, filling the powder into a distillation tank, introducing water vapor, carrying out thermal evaporation, and condensing; s3, after oil-water separation, carrying out reduced pressure distillation to obtain high-purity cinnamon oil; the method for preparing the microcapsule perfume by using the obtained cinnamon oil comprises the following steps: S4, preparing a zein solution; s5, preparing a sodium alginate solution; s6, preparing a wall material; s7, adding the cinnamon oil and the plant essence obtained in the step S3 into the wall material obtained in the step S6, then adding an emulsifier, and stirring to obtain an emulsion; and S8, carrying out spray dryi