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Szabó, Lara U.; Schmidt, Thomas J.: Investigation of the Variability of Alkaloids in Buxus sempervirens L. Using Multivariate Data Analysis of LC/MS Profiles
Inhalt
Results and Discussion
Occurrence of the Previously Isolated Buxus-Alkaloids in the Different Extracts
Differences between the Two Varieties and Seasonal Variability
Identification of the Compounds Mainly Responsible for Differences in Varieties and Temporal Variation
Distinction between the Leaves and Twigs
Identification of Constituents Occurring Exclusively in Leaves or Twigs (“Unique Features”)
Identification of Compounds with Different Content in Leaves and Twigs
Materials and Methods
Extraction of Plant Material
UHPLC/+ESI-QqTOF-Mass Spectrometry
Pretreatment of LC/MS Data
PCA Modeling
Volcano Plot
Conclusions
References