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  • Title: Piper methysticum: enantiomeric separation of kavapyrones by high performance liquid chromatography.
    Author: Häberlein H, Boonen G, Beck MA.
    Journal: Planta Med; 1997 Feb; 63(1):63-5. PubMed ID: 17252330.
    Abstract:
    A simultaneous separation of the enantiomers of kawain, dihydrokawain, methysticin, and dihydromethysticin as well as the achiral dienolides yangonin and demethoxyyangonin was carried out on a ChiraSpher NT column. This HPLC method can be used for the investigation of the enantiomeric purity of plant material and herbal medicines. The influence of temperature and flow rate are discussed in respect to the chromatographic resolution of the enantiomers. All tested enolide racemates can be preparatively separated on ChiraSpher NT.
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