Steroidal glycosides from Capsicum annuum.
Four new steroidal glycosides, named capsicosides A-D together with proto-degalactotigonin, were isolated from the roots and seeds of Capsicum annuum var. conoides and Capsicum annuum var. fasciculatum. On the basis of detailed chemical and spectroscopic evidence, the structures of capsicosides A-D were shown to be furostanol glycosides corresponding to gitogenin and tigogenin oligoglycosides. Capsicoside A was regarded as the same compound as the previously described capsicoside, whose structure now needs to be revised according to the data presented in this report.
Yahara
S
S
Faculty of Pharmaceutical Sciences, Kumamoto University, Japan.
Ura
T
T
Sakamoto
C
C
Nohara
T
T
D002212:Capsicum / Q000737:chemistry*; D002240:Carbohydrate Sequence; D006027:Glycosides / Q000737:chemistry / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D008969:Molecular Sequence Data; D010840:Phytosterols / Q000737:chemistry / Q000302:isolation & purification*; D010946:Plants, Medicinal; D016339:Spectrometry, Mass, Fast Atom Bombardment
D006027:Glycosides; D010840:Phytosterols