Aquilaria sinensis stem bark active component and preparation method and application thereof

The invention provides a method for preparing docosyl caffeate (PGC1A) and aquilaria sinensis diester (PGC48A) from stem bark of aquilaria sinensis [Aquilaria sinensis (Lour.) Spring], and an application of the PGC1A and the PGC48A in the fields of preparation of cosmetics and pharmacy. Belongs to the technical field of cosmetics and medicines. According to the present invention, the PGC1A and the PGC48A have the activity of promoting collagen secretion in adult dermal fibroblasts (HDFa) under the low concentration (10 [mu] M), do not have cytotoxicity under the concentration, and can be used for preparing anti-aging and skin repair promoting drugs or skin care products, such that the PGC1A and the PGC48A can be used for preparing the anti-aging and skin repair promoting drugs or the skin care products, and the application of the PGC1A and the PGC48A can be used for preparing the anti-aging and skin repair promoting drugs or the skin repair promoting drugs or the skin repair promoting drugs. 本发明提供从白木香[Aquilar