Abstract
Phytochemical investigation of the methanolic extract of Eryngium campestre L. aerial parts led to isolation of eleven known flavonol glycosides. Structures were elucidated by spectroscopic and chemical methods. The methanol extract of E. campestre and the isolated flavonols exhibited moderate to strong antioxidant activity in DPPH radical scavenging and reducing power assays. Eryngium campestre extract showed significant inhibition of the ß-amyloid Aß 42 (IC50 = 155.75±7.43 ng/ml) without significant reduction in total Aß (Aß 40 + Aß 42) levels in human H4 cell line, using sensitive sandwich enzyme linked immunosorbent assay (ELISA). The results showed no inhibition activity of the extract against COX-1 and COX-2 up to 400 ng/ml concentration.
Keywords: Alzheimer's disease, β-amyloid peptide (Aβ), antioxidant, reducing power, flavonol glycosides, Eryngium campestre.
Current Chemical Biology
Title:Anti-Alzheimer, Antioxidant Activities and Flavonol Glycosides of Eryngium campestre L.
Volume: 7 Issue: 2
Author(s): Usama W. Hawas, Lamia T. Abou El-Kassem, Hanem M. Awad and Hanan A.A. Taie
Affiliation:
Keywords: Alzheimer's disease, β-amyloid peptide (Aβ), antioxidant, reducing power, flavonol glycosides, Eryngium campestre.
Abstract: Phytochemical investigation of the methanolic extract of Eryngium campestre L. aerial parts led to isolation of eleven known flavonol glycosides. Structures were elucidated by spectroscopic and chemical methods. The methanol extract of E. campestre and the isolated flavonols exhibited moderate to strong antioxidant activity in DPPH radical scavenging and reducing power assays. Eryngium campestre extract showed significant inhibition of the ß-amyloid Aß 42 (IC50 = 155.75±7.43 ng/ml) without significant reduction in total Aß (Aß 40 + Aß 42) levels in human H4 cell line, using sensitive sandwich enzyme linked immunosorbent assay (ELISA). The results showed no inhibition activity of the extract against COX-1 and COX-2 up to 400 ng/ml concentration.
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Cite this article as:
Hawas W. Usama, El-Kassem T. Abou Lamia, Awad M. Hanem and Taie A.A. Hanan, Anti-Alzheimer, Antioxidant Activities and Flavonol Glycosides of Eryngium campestre L., Current Chemical Biology 2013; 7 (2) . https://dx.doi.org/10.2174/2212796811307020010
DOI https://dx.doi.org/10.2174/2212796811307020010 |
Print ISSN 2212-7968 |
Publisher Name Bentham Science Publisher |
Online ISSN 1872-3136 |
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