Phenolic compounds in the leaves of Populus ussuriensis and their antioxidant activities.
Identifieur interne : 003533 ( Main/Exploration ); précédent : 003532; suivant : 003534Phenolic compounds in the leaves of Populus ussuriensis and their antioxidant activities.
Auteurs : Chuan-Ling Si [République populaire de Chine] ; Jin-Kyu Kim ; Young-Soo Bae ; Shu-Ming LiSource :
- Planta medica [ 1439-0221 ] ; 2009.
Descripteurs français
- KwdFr :
- MESH :
- composition chimique : Antioxydants, Feuilles de plante, Phénols, Populus.
- isolement et purification : Antioxydants, Phénols.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Antioxidants, Phenols.
- chemical , isolation & purification : Antioxidants, Phenols.
- chemistry : Plant Leaves, Populus.
Abstract
Two new phenolic glucosides [isograndidentatin A (1) isograndidentatin B (2)], 5 known phenolic glucosides [grandidentatin (3), salireposide (4), populoside (5), populoside A (6), and salicortin (7)], and 2 known phenolic acids [P-coumaric acid (8) and caffeic acid (9)] were isolated from the leaves of Populus ussuriensis. Structure elucidation of 1 and 2 was achieved through extensive spectroscopic techniques. Compounds 1-6 and 9 showed significant antioxidant activities, which were evaluated by the DPPH radical-scavenging method (IC(50) values of 6.68, 6.61, 6.75, 6.84, 6.76, 6.79, and 5.92 microM, respectively) and the ABTS .+ radical-scavenging system (TEAC values of 1.21, 1.28, 1.26, 1.05, 1.69, 1.60, and 2.00 mM, respectively).
DOI: 10.1055/s-0029-1185476
PubMed: 19296432
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<author><name sortKey="Bae, Young Soo" sort="Bae, Young Soo" uniqKey="Bae Y" first="Young-Soo" last="Bae">Young-Soo Bae</name>
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<front><div type="abstract" xml:lang="en">Two new phenolic glucosides [isograndidentatin A (1) isograndidentatin B (2)], 5 known phenolic glucosides [grandidentatin (3), salireposide (4), populoside (5), populoside A (6), and salicortin (7)], and 2 known phenolic acids [P-coumaric acid (8) and caffeic acid (9)] were isolated from the leaves of Populus ussuriensis. Structure elucidation of 1 and 2 was achieved through extensive spectroscopic techniques. Compounds 1-6 and 9 showed significant antioxidant activities, which were evaluated by the DPPH radical-scavenging method (IC(50) values of 6.68, 6.61, 6.75, 6.84, 6.76, 6.79, and 5.92 microM, respectively) and the ABTS .+ radical-scavenging system (TEAC values of 1.21, 1.28, 1.26, 1.05, 1.69, 1.60, and 2.00 mM, respectively).</div>
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<Abstract><AbstractText>Two new phenolic glucosides [isograndidentatin A (1) isograndidentatin B (2)], 5 known phenolic glucosides [grandidentatin (3), salireposide (4), populoside (5), populoside A (6), and salicortin (7)], and 2 known phenolic acids [P-coumaric acid (8) and caffeic acid (9)] were isolated from the leaves of Populus ussuriensis. Structure elucidation of 1 and 2 was achieved through extensive spectroscopic techniques. Compounds 1-6 and 9 showed significant antioxidant activities, which were evaluated by the DPPH radical-scavenging method (IC(50) values of 6.68, 6.61, 6.75, 6.84, 6.76, 6.79, and 5.92 microM, respectively) and the ABTS .+ radical-scavenging system (TEAC values of 1.21, 1.28, 1.26, 1.05, 1.69, 1.60, and 2.00 mM, respectively).</AbstractText>
<CopyrightInformation>Georg Thieme Verlag KG Stuttgart.New York.</CopyrightInformation>
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