Discussion
MRSA is a typical antibiotic-resistant strain. Development of new antibiotics is necessary for treating such strains. Natural products can be utilized as raw materials in the development of new antibacterial substances.
A. princeps is used as a digestive medicine, in treating fever, as an anthelmintic, and as an antihemorrhagic agent in oriental medicines and is known to be effective for treating gynecological and gastrointestinal diseases. In addition, its constituents are known to have various physiological effects such as insecticidal, antibacterial, and antitumor effects [23, 24].