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'High Performance Liquid Chromatography HPLC' in keywords
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1980 (2)
1Author    D. Ieter Strack, P. Eter Proksch, P. Au, L-G Erh Ard, G. ÜlzRequires cookie*
 Title    Analysis of Sesquiterpene Lactones by High Performance Liquid Chromatography  
 Abstract    High performance liquid chromatography on octyl-and octadecyl-silica (RP-8 and RP-18) stationary phases offers an efficient and rapid method for analysis of sesquiterpene lactones. A mixture of 1 1 lactones was analyzed using gradient elution with increasing acetonitrile concentra­ tion in water and monitoring the column effluent at 210 nm with an UV detector. The described method has been applied to the determination of costunolide in a crude extract from leaves of Laurus nobilis. 
  Reference    Z. Naturforsch. 35c, 915—918 (1980); received August 11980 
  Published    1980 
  Keywords    High Performance Liquid Chromatography (HPLC), Sesquiterpene Lactones, Laurus nobilis 
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 TEI-XML for    default:Reihe_C/35/ZNC-1980-35c-0915.pdf 
 Identifier    ZNC-1980-35c-0915 
 Volume    35 
2Author    Dieter Strack, Peter Proksch, Paul-G Erhard GülzRequires cookie*
 Title    Reversed Phase High Performance Liquid Chromatography of Essential Oils  
 Abstract    A reversed phase high performance liquid chromatographic procedure for the separation of essential oils is described. Applying water-acetonitrile elution systems on octyl and octadecyl-silane-bonded silica, complex mixtures o f sequiterpenes and oxygenated volatile constituents can be resolved, comparably to the quality o f gas chromatographic analysis. Photometrical detection at different wavelengths can be an important parameter in optimizing the separation of essential oil constituents. The application o f the described method is demonstrated with naturally occurring mixtures of terpenes from leaves of Cistus ladanifer. 
  Reference    Z. Naturforsch. 35c, 675—681 (1980); received June 20 1980 
  Published    1980 
  Keywords    High Performance Liquid Chromatography (HPLC), Essential Oils, Terpenes, Terpenoids, Cistus, Cistaceae 
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 TEI-XML for    default:Reihe_C/35/ZNC-1980-35c-0675.pdf 
 Identifier    ZNC-1980-35c-0675 
 Volume    35