| Analysis of Essential Oils and Fatty Acids from Platycodi Radix using Chemometric Methods and Retention Indices. | |
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MedLine Citation:
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PMID: 22964951 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The chemical composition of the essential oils and fatty acids among nine groups of Platycodi Radix in China was analyzed by gas chromatography-mass spectrometry. Complicated components were resolved using chemometric methods. Simultaneously, the various features among heuristic evolving latent projections, selective ion analysis and alternative moving window factor analysis were compared by using some experimental data. Temperature-programmed retention indices were applied in further identification of the chemical composition of the essential oils. The equivalent chain length, fraction chain length, and an established special retention indices library integrated with mass spectrometry were also applied to further identify the composition of fatty acids, including total fatty acids, esterified fatty acids and free fatty acids. A total of 121 different compounds accounting for 95.12-98.74% were identified among the essential oils. Chemical polymorphisms and variation existed in the essential oils of Platycodi Radix. Sixteen components were identified in fatty acids, and linoleic acid (18:2n-6c) and other unsaturated acid possess a characteristic majority. |
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Authors:
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Min He; Yaping Li; Jun Yan; Dongsheng Cao; Yizeng Liang |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-9-10 |
Journal Detail:
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Title: Journal of chromatographic science Volume: - ISSN: 1945-239X ISO Abbreviation: J Chromatogr Sci Publication Date: 2012 Sep |
Date Detail:
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Created Date: 2012-9-11 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0173225 Medline TA: J Chromatogr Sci Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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1Research Center of Modernization of Chinese Medicines, Central South University, Changsha 410083, P.R. China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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