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Journal of Thermal Analysis and Calorimetry

, Volume 95, Issue 3, pp 727–730 | Cite as

The influence of sunflower and mustard leaf extracts on the germination of mustard seeds

  • Magdalena TroćEmail author
  • A. Skoczowski
  • Małgorzata Barańska
Plants Including Photocalorimetry

Abstract

The extracts from sunflower and mustard leaves were separated using SPE-Columns. The mustard seeds were germinated on water (24 h) and subsequently on crude extracts or separate fractions. The heat production rate was measured by isothermal calorimetry at 21°C and changes in seed cotyledons by FT-Raman spectroscopy. Crude extracts strongly inhibited seed germination. The water and ‘methanol’ fractions of mustard and sunflower extracts have a similar influence on the pattern of heat efflux. FT-Raman spectroscopy showed that extracts caused changes in cotyledons mainly in the content of fatty acids, carotenoids and flavonoids. Isothermal calorimetry and Raman spectroscopy are useful for the study of allelopathic interactions.

Keywords

allelopathy FT-Raman spectroscopy heat production rate isothermal calorimetry mustard non-destructive analysis sunflower 

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2009

Authors and Affiliations

  • Magdalena Troć
    • 1
    Email author
  • A. Skoczowski
    • 1
  • Małgorzata Barańska
    • 2
  1. 1.The Franciszek Górski Institute of Plant PhysiologyPolish Academy of SciencesCracowPoland
  2. 2.Faculty of ChemistryJagiellonian UniversityCracowPoland

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