Records of Natural Products

Records of Natural Products

Lignans and an Abundant flavone glycoside with Free-Radical Scavenging Activity from the Roots of the Endemic Species Stachys mialhesi de Noé

Yazarlar: Souheila Laggoune, Ignacio Brouard, Francisco Leon, Claude-Alain Calliste, Jean-luc Duroux, Jaime Bermejo, Zahia Kabouche Ahmed Kabouche t

Cilt 5 , Sayı 3 , 2011 , Sayfalar 238 - 241

Konular:-

Anahtar Kelimeler:Stachys mialhesi,Lamiaceae,Lignans,Free radical scavenging activity,ESR.

Özet: Two sterols, stigmasterol (1) and β-sitosterol (2), two lignans, (+)-sesamin (3), new for the genus Stachys and (±)-paulownia (4), new in the Lamiaceae family, reported for the second time from a natural source, and one acetylated flavone glycoside isoscutellarein-7-O-(2''-O-6'''-O-acetyl-β-D-allopyranosyl-β-D-glucopyranoside (5), were isolated from the roots of Stachys mialhesi de Noé. Surprisingly, 3g of compound 5 are gathered from 5g of roots extract. The structures of compounds 1-5 were established on the basis of physical and spectroscopic analysis, and by comparison with the literature data. The free-radical-scavenging property of compound 5 was evaluated by the use of the ESR method in order to visualize the inhibition of the 1,1-diphenyl-2-1picrylhydrazyl (DPPH) free radical.

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@article{2011, title={Lignans and an Abundant flavone glycoside with Free-Radical Scavenging Activity from the Roots of the Endemic Species Stachys mialhesi de Noé}, volume={5}, number={238–241}, publisher={Records of Natural Products}, author={Souheila Laggoune, Ignacio Brouard, Francisco Leon, Claude-Alain Calliste, Jean-luc Duroux, Jaime Bermejo, Zahia Kabouche  Ahmed Kabouche t}, year={2011} }
APA
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Souheila Laggoune, Ignacio Brouard, Francisco Leon, Claude-Alain Calliste, Jean-luc Duroux, Jaime Bermejo, Zahia Kabouche  Ahmed Kabouche t. (2011). Lignans and an Abundant flavone glycoside with Free-Radical Scavenging Activity from the Roots of the Endemic Species Stachys mialhesi de Noé (Vol. 5). Vol. 5. Records of Natural Products.
MLA
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Souheila Laggoune, Ignacio Brouard, Francisco Leon, Claude-Alain Calliste, Jean-luc Duroux, Jaime Bermejo, Zahia Kabouche  Ahmed Kabouche t. Lignans and an Abundant Flavone Glycoside with Free-Radical Scavenging Activity from the Roots of the Endemic Species Stachys Mialhesi de Noé. no. 238–241, Records of Natural Products, 2011.
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