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New pentapeptides from Aster tataricus

D L Cheng1, Y Shao, R Hartmann

  • 1Department of Chemistry, State Key Laboratory of Applied Organic Chemistry, Lanzhou University, People's Republic of China.

Phytochemistry
|January 1, 1996
PubMed
Summary
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Three novel pentapeptides were identified from Aster tataricus roots. Their chemical structures were determined using advanced spectroscopic and enzymatic techniques, expanding knowledge of plant-derived compounds.

Area of Science:

  • Phytochemistry
  • Natural Product Chemistry

Background:

  • Aster tataricus is a plant species with a history of traditional medicinal use.
  • The chemical constituents of Aster tataricus roots are not fully characterized.

Purpose of the Study:

  • To isolate and identify novel pentapeptides from Aster tataricus roots.
  • To elucidate the chemical structures of these isolated pentapeptides.

Main Methods:

  • Isolation of compounds using chromatographic techniques.
  • Structure elucidation via spectroscopic analysis (e.g., NMR, Mass Spectrometry).
  • Confirmation of structure using chemical and enzymatic degradation methods.

Main Results:

  • Three distinct pentapeptides were successfully isolated from the root extract.

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  • The primary structures of these three pentapeptides were fully determined.
  • Spectroscopic data provided detailed information on the amino acid sequence and linkages.

    • Conclusions:

    • The study successfully identified and characterized three new pentapeptides from Aster tataricus.
    • This research contributes to the understanding of the phytochemical diversity of Aster tataricus.
    • The elucidated structures provide a basis for further investigation into the biological activities of these compounds.