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W Eichenberger1, E C. Grob

  • 1Institut für organische Chemie der Universität Bern, Schweiz, Switzerland

FEBS Letters
|December 1, 1970
PubMed
Summary
This summary is machine-generated.

Sterol derivatives, including sterols and their glycosides, were quantified in various plants like carrots and potatoes. Steryl glycosides were found to accumulate in specific cellular fractions of lettuce leaves.

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Area of Science:

  • Plant biochemistry
  • Lipid analysis
  • Phytosterols

Background:

  • Sterol derivatives are vital components of plant cell membranes.
  • Understanding their distribution is crucial for plant physiology and nutrition.

Purpose of the Study:

  • To quantify sterol derivatives in edible plants.
  • To investigate the localization of sterol derivatives within plant cells.

Main Methods:

  • Thin-layer chromatography (TLC) was employed for sterol derivative analysis.
  • Fractionation of plant leaf homogenates was performed.

Main Results:

  • Sterol derivative content varied between plant species and tissues (leaves vs. storage organs).
  • Leaves contained 2.8-5.2% sterol derivatives, while storage tissues had 3.1-8.9%.
  • Steryl glycosides were primarily found in the microsomal fraction of lettuce leaves.

    • Conclusions:

    • Plant sterol derivative composition differs significantly across species and organs.
    • Specific cellular compartments, like microsomes, are key sites for steryl glycoside accumulation.