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Organic components of moxa.

K Kobayashi1

  • 1Department of Chemistry, Meiji College of Oriental Medicine, Funai-Gun, Kyoto, Japan.

The American Journal of Chinese Medicine
|January 1, 1988
PubMed
Summary

Moxa extraction reveals heptatriacontane (C37H76) and tannins. Removing C37H76 appears to slow down moxa

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Area of Science:

  • Phytochemistry
  • Traditional Chinese Medicine (TCM) research

Background:

  • Moxa, derived from dried Artemisia vulgaris, is used in traditional therapies.
  • Understanding moxa's chemical composition is crucial for its therapeutic applications and quality control.

Purpose of the Study:

  • To isolate and identify key chemical compounds in moxa.
  • To investigate the influence of these compounds on moxa's burning properties.

Main Methods:

  • Moxa was extracted using a chloroform, methanol, and water solvent mixture.
  • Compound identification involved 1H and 13C-NMR spectroscopy and melting point determination.
  • Burning temperature curves were analyzed before and after extraction.

Main Results:

  • Heptatriacontane (C37H76) was isolated from the chloroform layer.
  • Condensed tannins with catechol derivatives were found in the methanol-water layer.
  • Removal of heptatriacontane appeared to decelerate the burning rate of moxa.

Conclusions:

  • Moxa contains heptatriacontane and tannins, with varying concentrations between moxa grades.
  • Heptatriacontane plays a role in regulating moxa's burning characteristics.
  • Further research can explore the therapeutic implications of these findings.

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