A novel antimicrobial flavonoidic glycoside from the leaves of Alstonia macrophylla Wall ex A. DC (Apocynaceae)

A new flavonoidic glycoside, tricin-4′- O-β- l-arabinoside ( 1) was isolated from the leaves of Alstonia macrophylla along with two known flavonoids, vitexin and myricetin-3′-rhamnoside-3- O-galactoside. Their structures were established by chemical and spectral evidences. The known compounds were r...

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Bibliographic Details
Published in:Chinese chemical letters 2010-05, Vol.21 (5), p.593-595
Main Authors: Parveen, Mehtab, Khanam, Zakia, Ali, Akhtar, Ahmad, Syed Mohmud
Format: Article
Language:English
Subjects:
Alstonia macrophylla
Antibacterial
Antifungal activity
Myricetin-3′-rhamnoside-3- O-galactoside
Tricin-4′- O-β- l-arabinoside
Vitexin
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Summary:A new flavonoidic glycoside, tricin-4′- O-β- l-arabinoside ( 1) was isolated from the leaves of Alstonia macrophylla along with two known flavonoids, vitexin and myricetin-3′-rhamnoside-3- O-galactoside. Their structures were established by chemical and spectral evidences. The known compounds were reported for the first time from this plant. Moreover compound 1 was tested for antifungal and antibacterial activities.
ISSN:1001-8417
1878-5964
DOI:10.1016/j.cclet.2009.11.022