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Título: | Variability in essential-oil composition of Piper marginatum sensu lato |
Autor: | Andrade, Eloísa Helena de Aguiar Carreira, Léa Maria Medeiros Silva, Milton Hélio L da Silva, João Domingos da Bastos, Cléber Novais Sousa, Pergentino José C.Cunha Guimarães, Elsie Franklin Maia, José Guilherme Soares |
Palavras-chave: | 2 Methoxy 4,5 (methylenedioxy)propiophenone 3,4 (methylenedioxy)propiophenone 4 Mentha 1(7),8 Diene Alkadiene Alpha Thujene Anethole Asarone Bicyclogermacrene Camphene Caryophyllene Copaene Elimicin Essential Oil Exalataxin Germacrene D Isoosmorhizole Methoxy 4,5 (methylenedioxy)propiophenone Myristicin Natural Product Ocimene Pinene Piper Marginatum Extract Plant Extract Propiophenone Sabinene Safrole Spathulenol Terpinene Unclassified Drug Unindexed Drug Chemical Composition Chemical Structure Cluster Analysis Controlled Study Ecosystem Gas Chromatography Geographic Distribution Mass Spectrometry Nonhuman Piper Marginatum Piperaceae Plant Leaf Molecular Structure Oils, Volatile Piper Plant Leaves Species Specificity Stereoisomerism Mentha Myrrhis Odorata Piper Marginatum |
Data do documento: | 2008 |
Revista: | Chemistry and Biodiversity |
É parte de: | Volume 5, Número 1, Pags. 197-208 |
Abstract: | This paper contains data on the chemical composition of the essential oils of 22 leaf samples of Piper marginatum JACQ. collected in different areas and ecosystems of the brazilian Amazon, as well as an overview of the available literature. The species presents a large synonymy based on their different leaf characteristics and distinct scents where some of them smell like anise or very close compounds. By GC, GC/MS, and cluster analysis, we identified seven chemotypes for the leaf oils. The main components found in chemotype I were safrole (1) and 3,4-(methylenedioxy)propiophenone (2). The chemotype II was dominated by 3,4-(methylenedioxy)propiophenone (2) and p-mentha-1(7),8-diene (10). The major compounds identified in chemotype III were 3,4-(methylenedioxy)propiophenone (2), myristicin (3), (E)-β-ocimene (11), and γ-terpinene (12). In the chemotype IV, the principal constituents were β-caryophyllene (13), α-copaene (14), and 3,4-(methylenedioxy)propiophenone (2). The chemotype V was dominated by (E)-isoosmorhizole (6), (E)-anethole (8), and isoosmorhizole (7). The main compounds found in the chemotype VI were 2-methoxy-4,5-(methylenedioxy)propiophenone (4), methoxy-4,5-(methylenedioxy)propiophenone isomer 5, and (E)-isoosmorhizole (6). The major constituents in chemotype VII were β-caryophyllene (13), bicyclogermacrene (15), and (E)-asarone (9). © 2008 Verlag Helvetica Chimica Acta AG, Zürich. |
DOI: | 10.1002/cbdv.200890011 |
Aparece nas coleções: | Artigos |
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