共 4 条
[1]
Antitumor activity and immunoregulatory effect of triterpense isolated from betula. Li W,Li Y,Jin X J. Journal of Chinese Immunology . 2000
[2]
The pentacyclic triterpene alcohols and tetracyclic triterpene alcohols in unsaponifiable matters from Camellia seed oil. Fang Y D,Liu L Q,Li H. Journal of the Chinese Cereals and Oils . 1999
[3]
Determination of betulin from betula by HPLC. Zhang ZE,SunHong. Chemistry and Industry . 2004
[4]
HPLC determination of oleanolic acid and llrolic acid in Chinese medoconal herbs. Xie Y,Hang T J,Cheng Zh,et al. China Journal of Chinese Meteria Medica . 2001