Degradation of alectorialic acid in the lichen genus Usnea
[...]we have identified an alternative set of degradation products derived from alectorialic acid following our recent studies using thin-layer chromatography (TLC) and high performance liquid chromatography-mass spectrometry (HPLC-MS). Ionization was achieved by atmospheric pressure chemical ioniza...
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| Veröffentlicht in: | The Lichenologist (London) 2017-09, Vol.49 (5), p.539-543 |
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| container_title | The Lichenologist (London) |
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| creator | Zakeri, Z. Elix, J. A. Otte, V. |
| description | [...]we have identified an alternative set of degradation products derived from alectorialic acid following our recent studies using thin-layer chromatography (TLC) and high performance liquid chromatography-mass spectrometry (HPLC-MS). Ionization was achieved by atmospheric pressure chemical ionization-electrospray ionization multimode (APCI/ESI) in the negative and positive mode. A second HPLC scan of the same acetone extract of Usnea diplotypus, which had been stored for 24 h at room temperature, revealed that the concentration of alectorialic acid had decreased while the concentration of haematommic acid and 5,7-dihydroxy-6-methylphalide had increased; relative concentrations of alectorialin and usnic acid remained the same (Fig. 1B). |
| doi_str_mv | 10.1017/S0024282917000421 |
| format | Article |
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A second HPLC scan of the same acetone extract of Usnea diplotypus, which had been stored for 24 h at room temperature, revealed that the concentration of alectorialic acid had decreased while the concentration of haematommic acid and 5,7-dihydroxy-6-methylphalide had increased; relative concentrations of alectorialin and usnic acid remained the same (Fig. 1B).</description><identifier>ISSN: 0024-2829</identifier><identifier>EISSN: 1096-1135</identifier><identifier>DOI: 10.1017/S0024282917000421</identifier><language>eng</language><publisher>Cambridge, UK: Cambridge University Press</publisher><subject>Acetone ; Chemistry ; Chromatography ; Degradation ; Degradation products ; High performance liquid chromatography ; HPLC ; Ionization ; Ions ; Lichens ; Liquid chromatography ; Mass spectrometry ; Mass spectroscopy ; Museums ; Organic chemistry ; Short Communications ; Solvents ; Thin layer chromatography ; Usnic acid</subject><ispartof>The Lichenologist (London), 2017-09, Vol.49 (5), p.539-543</ispartof><rights>British Lichen Society, 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c317t-e077456aa2e7cdd156014279abbde72f268bbd0852e52d3b11f0a535fc526693</citedby><cites>FETCH-LOGICAL-c317t-e077456aa2e7cdd156014279abbde72f268bbd0852e52d3b11f0a535fc526693</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.cambridge.org/core/product/identifier/S0024282917000421/type/journal_article$$EHTML$$P50$$Gcambridge$$H</linktohtml><link.rule.ids>164,314,778,782,27911,27912,55615</link.rule.ids></links><search><creatorcontrib>Zakeri, Z.</creatorcontrib><creatorcontrib>Elix, J. 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| ispartof | The Lichenologist (London), 2017-09, Vol.49 (5), p.539-543 |
| issn | 0024-2829 1096-1135 |
| language | eng |
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| source | Cambridge University Press Journals Complete |
| subjects | Acetone Chemistry Chromatography Degradation Degradation products High performance liquid chromatography HPLC Ionization Ions Lichens Liquid chromatography Mass spectrometry Mass spectroscopy Museums Organic chemistry Short Communications Solvents Thin layer chromatography Usnic acid |
| title | Degradation of alectorialic acid in the lichen genus Usnea |
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