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Related Experiment Videos

Cytotoxic chromenes from Myriactis humilis.

Jih-Jung Chen1, Chang-Yih Duh, Ih-Sheng Chen

  • 1Department of Pharmacy, Tajen Institute of Technology, Pingtung, Taiwan, Republic of China. jjchen@ccsun.tajen.edu.tw

Planta Medica
|April 28, 2005
PubMed
Summary

Researchers isolated novel chromenes and known compounds from Myriactis humilis. Four compounds showed significant cytotoxicity against cancer cell lines in vitro, indicating potential therapeutic applications.

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Phytochemistry·2025

Area of Science:

  • Phytochemistry
  • Natural Product Chemistry
  • Pharmacology

Background:

  • Myriactis humilis is a plant species with potential medicinal properties.
  • Natural products are a rich source of novel therapeutic agents.

Purpose of the Study:

  • To isolate and characterize chemical constituents from the whole plant of Myriactis humilis.
  • To evaluate the cytotoxic activity of the isolated compounds against selected cancer cell lines.

Main Methods:

  • Phytochemical investigation involving isolation techniques.
  • Structure elucidation using spectral analyses (e.g., NMR, MS).
  • In vitro cytotoxicity assays against P-388 and HT-29 cell lines.

Main Results:

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  • Two new chromene derivatives, myriachromene and 2,2-dimethyl-6,7-methylenedioxy-2H-chromene, were identified.
  • Ten known compounds were isolated, including alpha-tocopherylquinone, beta-carotene, and vanillin.
  • Four isolated compounds demonstrated significant cytotoxicity with ED50 values below 4 microg/mL.

    • Conclusions:

    • The study successfully identified novel and known compounds from Myriactis humilis.
    • The cytotoxic activity of certain isolates suggests their potential as anticancer agents.
    • Further research into these compounds may lead to the development of new cancer therapies.