Simultaneous quantification of verbenalin and verbascoside in Verbena officinalis by ATR-IR and NIR spectroscopy.

@article{Schoenbichler2013SimultaneousQO,
  title={Simultaneous quantification of verbenalin and verbascoside in Verbena officinalis by ATR-IR and NIR spectroscopy.},
  author={Stefan A Schoenbichler and Lukas K Bittner and Johannes Dominikus Pallua and Maximilian WL Popp and Gudrun Abel and Guenther Karl Bonn and Christian W Huck},
  journal={Journal of pharmaceutical and biomedical analysis},
  year={2013},
  volume={84},
  pages={97-102}
}
Attenuated-total-reflectance infrared spectroscopy (ATR-IR) and near-infrared diffuse reflectance spectroscopy (NIR) in hyphenation with multivariate analysis was utilized to quantify verbenalin and verbascoside in Verbena officinalis. A new high performance liquid chromatography (HPLC) method as a reference was established and validated. For both vibrational spectroscopic methods test-set and cross validation were performed. Different data-pre-treatments like SNV, 1st and 2nd derivative were… CONTINUE READING

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