OBJECTIVE
To study the resources of G. leucocarpa var. yunnanensis for further development of this drug.
METHODS
Field investigating, consulting with relevant experts and looking into available specimens.
CONCLUSIONS
G. leucocarpa var. yunnanensis is widely distributed in the southern regions of the
Phosphodiesterase-4 (PDE4) is an anti-inflammatory target for treatment of asthma and chronic obstructive pulmonary disease (COPD). Here, we report the isolation and characterization of 13 compounds (G1-G13) by bioassay-guided fractionation of the ethyl acetate extraction of Gaultheria yunnanensis