Freeze-drying method of avocado ferment powder, functional food of avocado ferment powder and application of

The invention discloses an avocado ferment powder freeze-drying method, a functional food prepared from the avocado ferment powder and application of the functional food. The invention relates to an avocado ferment powder freeze-drying method, which comprises the following steps: removing kernels from fresh avocados, uniformly stirring, carrying out high-pressure curing sterilization at 110 DEG C for 20 minutes, cooling, adding 1% of lactobacillus plantarum Lp299v, controlling the moisture within 50-60%, controlling the initial pH value at 6.5, carrying out anaerobic fermentation at 30 DEG C for 48 hours, and detecting the fermentation acidity every 6 hours; after fermentation is finished, freeze drying is performed, and the moisture is controlled within 2%; and quickly freezing the avocado fermentation raw material, and then putting the avocado fermentation raw material into a drying bin for low-temperature drying and sublimation for more than 38 hours in a vacuum state. A formula of the functional food cont