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allium_fistulosum_l [2015/03/28 15:45]
andreas 		allium_fistulosum_l [2015/03/28 17:00]
andreas
Zeile 5: Zeile 5:
 [[http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200027477]] [[http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200027477]]
  
-"'Welsh' preserves the original meaning of the Old English word 'welisc', or Old German 'welsche', meaning 'foreign'... The Welsh onion is an ingredient in Asian cuisine..." \\+"'Welsh' preserves the original meaning of the Old English word 'welisc', or Old German 'welsche', meaning 'foreign'... The Welsh onion is an ingredient in Asian cuisine, especially in East and Southeast Asia." \\
 [[https://en.wikipedia.org/wiki/Allium_fistulosum]] [[https://en.wikipedia.org/wiki/Allium_fistulosum]]
 +
 +"Volatile components were isolated from Welsh onions and scallions by solvent extraction at ambient temperatures and analyzed by GC and GC-MS. There were 67 volatile components identified, including 12 novel polysulfides. Methyl methanethiosulfinate and 10 dialk(en)yl thiosulfonates were among those volatiles in Welsh onion and scallion extracts. These thiosulfinates and thiosulfonates were not previously identified in their distilled oils, probably due to their instability to heat." \\
 +[Volatile constituents of the solvent extracts of Welsh onions (Allium fistulosum L. variety Maichuon) and scallions (A. fistulosum L. variety Caespitosum)., Kuo, M.C., Ho, C.T., Journal of Agricultural and Food Chemistry, Vol.40(10), 1992, 1906-1910]
  
 The headspace components the plant "... was extracted with solid-phase microextraction (SPME) and analysed by gas chromatography-mass spectrometry (GC-MS). The main volatile components of A. fistulosum were dipropyl disulphide (relative contents: 67%), 1-propenyl propyl disulphide (23%) and dipropyl trisulphide (6%)." \\ The headspace components the plant "... was extracted with solid-phase microextraction (SPME) and analysed by gas chromatography-mass spectrometry (GC-MS). The main volatile components of A. fistulosum were dipropyl disulphide (relative contents: 67%), 1-propenyl propyl disulphide (23%) and dipropyl trisulphide (6%)." \\
Zeile 13: Zeile 16:
 {{:allium_fist.jpg|}} \\ {{:allium_fist.jpg|}} \\
 Zorn, J., Oskamp, D.L., Vervolg op de Afbeeldingen der artseny-gewassen met derzelver Nederduitsche en Latynsche beschryvingen, vol.1, t.26 (1813) \\ Zorn, J., Oskamp, D.L., Vervolg op de Afbeeldingen der artseny-gewassen met derzelver Nederduitsche en Latynsche beschryvingen, vol.1, t.26 (1813) \\
-[[]]+[[http://plantgenera.org/species.php?id_species=39965]]
allium_fistulosum_l.txt · Zuletzt geändert: 2018/06/07 16:09 von andreas

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