Abstract:
:Reversed-phase preparative high-performance liquid chromatography (HPLC) of the methanol extract of the aerial parts of Euphorbia petiolata Banks & Soland, an endemic Iranian medicinal plant, yielded ten free radical scavengers including eight flavonoid glycosides myricetin 3-O-glucoside (1), kaempferol 3-O-(2-O-galloyl)-glucoside (2), myricetin 3-O-rhamnoside (3), quercetin 3-O-glucoside (4), kaempferol 3-O-glucoside (5), quercetin 3-O-rhamnoside (6), kaempferol 3-O-rhamnoside (7), and quercetin 3-O-rutinoside (10), a coumarin esculetin (8) and a phenylpropanoid 2-hydroxydihydrocinnamic acid (9). The structures of these compounds were elucidated conclusively by spectroscopic means and also by direct comparison of their spectroscopic data with respective published data. The free radical scavenging properties of these compounds were assessed by the 2,2-diphenyl-1-picrylhydrazyl assay.
journal_name
J Nat Medjournal_title
Journal of natural medicinesauthors
Nazemiyeh H,Kazemi EM,Zare K,Jodari M,Nahar L,Sarker SDdoi
10.1007/s11418-009-0382-0subject
Has Abstractpub_date
2010-04-01 00:00:00pages
187-90issue
2eissn
1340-3443issn
1861-0293journal_volume
64pub_type
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