| Polyphenols isolated from antiradical extracts of Mallotus metcalfianus. | |
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MedLine Citation:
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PMID: 19062052 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Six flavonoids including two new flavones, luteolin 7-O-(4''-O-(E)-coumaroyl)-beta-glucopyranoside), chrysoeriol-7-O-(4''-O-(E)-coumaroyl)-beta-glucopyranoside) and a mixture of two pairs of diastereoisomeric flavonolignans, (+/-)-hydnocarpin 7-O-(4''-O-(E)-coumaroyl)-beta-glucopyranoside)/(+/-)-hydnocarpin-D 7-O-(4''-O-(E)-coumaroyl)-beta-glucopyranoside) with a 2:1 ratio were isolated from the whole plant of Mallotus metcalfianus Croizat, in addition to 10 known compounds. Their structures were evaluated on the basis of different spectroscopic methods, including extensive 1D and 2D NMR spectroscopy. Some extracts have moderate antimicrobial properties and interesting antiradical (DPPH) activity, as well as some compounds isolated from this species. Tannins were also identified in some active extracts. |
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Authors:
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Céline Rivière; Van Nguyen Thi Hong; Luc Pieters; Bieke Dejaegher; Yvan Vander Heyden; Minh Chau Van; Joëlle Quetin-Leclercq |
Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2008-12-04 |
Journal Detail:
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Title: Phytochemistry Volume: 70 ISSN: 0031-9422 ISO Abbreviation: Phytochemistry Publication Date: 2009 Jan |
Date Detail:
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Created Date: 2009-02-09 Completed Date: 2009-05-13 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0151434 Medline TA: Phytochemistry Country: United States |
Other Details:
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Languages: eng Pagination: 86-94 Citation Subset: IM |
Affiliation:
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Université Catholique de Louvain, Louvain Drug Research Institute, CHAM Unit, UCL 7230, Avenue E. Mounier 7, B-1200 Brussels, Belgium. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Anti-Bacterial Agents
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chemistry,
pharmacology Bacteria / drug effects Flavonoids / chemistry* Mallotus Plant / chemistry* Molecular Structure Phenols / chemistry* Plant Extracts / chemistry* |
| Chemical | |
Reg. No./Substance:
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0/Anti-Bacterial Agents; 0/Flavonoids; 0/Phenols; 0/Plant Extracts; 0/polyphenols |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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