51. Steroidal glycosides from Capsicum annuum
- Author
-
Toshihiro Nohara, Shoji Yahara, Takeshi Ura, and Chie Sakamoto
- Subjects
Furostanol glycosides ,Magnetic Resonance Spectroscopy ,Plants, Medicinal ,biology ,Steroidal glycosides ,Chemistry ,Stereochemistry ,Conoides ,Molecular Sequence Data ,Phytosterols ,Plant Science ,General Medicine ,Horticulture ,Spectrometry, Mass, Fast Atom Bombardment ,biology.organism_classification ,Biochemistry ,Capsicum annuum ,Steroid glycoside ,Carbohydrate Sequence ,Botany ,Glycosides ,Capsicum ,Molecular Biology ,Solanaceae - Abstract
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.
- Published
- 1994