The present application belongs to the technical field of microbial
fermentation and cosmetic raw materials, and particularly relates to a perilla
yeast fermentation filtrate, a preparation method and application thereof. The preparation method comprises the following steps: crushing dried perilla leaves, mixing with
sterile water, and then performing ultrasonic activation treatment to obtain a
fermentation substrate; inoculating the obtained fermentation substrate with a
yeast seed liquid, and then performing aerobic fermentation; adding L-
leucine guide to the fermentation material when the fermentation is performed for 24-48 h, and continuing the fermentation treatment for 24-48 h; terminating the fermentation by high-temperature inactivation of the fermentation material, then performing pressure
filtration, collecting the filtrate, and obtaining the perilla
yeast fermentation filtrate. The perilla
yeast fermentation filtrate obtained by the present application is rich in natural
linalool and specific active ingredients, has excellent
aroma, soothing anti-sensitivity,
antioxidant and
skin barrier repair effects, and can be used for preparing high-end
skin care products.