High-permeability gardenia multi-stage compound fermentation extract as well as preparation method and application thereof

The invention provides a high-permeability gardenia multi-stage compound fermentation extract as well as a preparation method and application thereof, relates to the technical field of biochemical engineering, and solves the technical problem that the application of the existing compound fermentation technology in the skin anti-aging field is still limited. The preparation method comprises the following steps: firstly carrying out solid state fermentation on 5-7 parts by weight of cape jasmine flower zymolyte and 4-6 parts by weight of jasmine flower zymolyte, and then carrying out liquid state fermentation on the obtained product and 1-3 parts by weight of tremella zymolyte. Composite multi-stage fermentation is not limited to a single strain and a fermentation mode any more, the fermentation mode suitable for fermentation raw materials is designed through multiple strains, solid fermentation and liquid fermentation are well combined, the prepared gardenia multi-stage composite fermentation extract also has