Non-ephedrine constituents from the herbaceous stems of Ephedra sinica.
Fitoterapia
; 153: 104998, 2021 Sep.
Article
en En
| MEDLINE
| ID: mdl-34314801
ABSTRACT
Three new flavonoids, ephedroside A (1), ephedroside B (2), ephedroside C (3), together with fifty-four known compounds 4-57 were isolated from the EtOH extract of the herbaceous stems of Ephedra sinica. The structures of these compounds were elucidated by spectroscopic techniques, as well as by comparison with literature data. Thirty-eight of these compounds were isolated from the genus Ephedra for the first time. The antimicrobial activities of eight compounds were tested by measuring the minimum inhibitory concentrations (MIC) against bacteria (both Gram positive and Gram negative) and fungi, and were found to be in the range of 0.105-0.926 mM. Among them, compound 2 showed the best antimicrobial activity against Pseudomonas aeruginosa with MIC value of 0.105 mM.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Flavonoides
/
Ephedra sinica
/
Antibacterianos
País/Región como asunto:
Asia
Idioma:
En
Revista:
Fitoterapia
Año:
2021
Tipo del documento:
Article
País de afiliación:
China