Gas phase isomeric differentiation of oleanolic and ursolic acids associated with heptakis-(2,6-di-O-methyl)-beta-cyclodextrin by electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry.
Yu
Zhan
Z
Changchun Center of Mass Spectrometry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.
Cui
Meng
M
Yan
Cunyu
C
Song
Fengrui
F
Liu
Zhiqiang
Z
Liu
Shuying
S
Zhang
Hongxing
H
D005583:Fourier Analysis; D008958:Models, Molecular; D009828:Oleanolic Acid / Q000737:chemistry*; D021241:Spectrometry, Mass, Electrospray Ionization / Q000379:methods*; D053719:Tandem Mass Spectrometry; D014315:Triterpenes / Q000737:chemistry*; D047392:beta-Cyclodextrins / Q000737:chemistry*; D000097245:Ursolic Acid
D009828:Oleanolic Acid; D014315:Triterpenes; D047392:beta-Cyclodextrins; D000097245:Ursolic Acid; C038119:heptakis(2,6-O-dimethyl)beta-cyclodextrin