Analysis of enantiomeric flavanones in plant extracts by high-performance liquid chromatography on a cellulose triacetate based chiral stationary phase

@article{Krause1991AnalysisOE,
  title={Analysis of enantiomeric flavanones in plant extracts by high-performance liquid chromatography on a cellulose triacetate based chiral stationary phase},
  author={Martin Krause and Rudolf Galensa},
  journal={Chromatographia},
  year={1991},
  volume={32},
  pages={69-72}
}
SummaryFlavanones ofArachis hypogaea, Hemizonia increscens, Eriodictyon glutinosum andThymus vulgaris extracts have been stereospecifically analysed by gradient elution on a column of cellulose triacetate supported on silica gel diol. The stereochemistry of naringenin, eriodictyol and homoeriodictyol was in favour of the 2S-configurated flavanones. 
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( 2S)-Flavanone 3-hydroxylase from flowers of Petunia hybrida catalyses the conversion of (2S)-naringenin to (2R,3R)-dihydrokaempferol, and the product was unequivocally identified as (+)-(2S,4',4',5'-pentahydroxy-flavanone.
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