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[Comparative study on eight trace elements in twelve flower medicines].

Ying-Feng Niu1, Chun-Mei Han, Yun Shao

  • 1Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xi'ning 810008, China. niuyingfeng@163.com

Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|October 6, 2009
PubMed
Summary
This summary is machine-generated.

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This study analyzed eight essential trace elements in twelve Tibetan flower medicines using flame-atomic absorption spectrometry. Potassium, magnesium, and sodium were most abundant, with significant variations across species, informing potential medicinal applications.

Area of Science:

  • Analytical Chemistry
  • Pharmacognosy
  • Traditional Tibetan Medicine

Background:

  • Twelve commonly used Tibetan flower medicines were selected for trace element analysis.
  • These flowers are integral to traditional Tibetan medicinal practices.
  • Trace element composition can significantly influence medicinal efficacy.

Purpose of the Study:

  • To quantify eight key trace elements (Ca, Cu, Fe, Mn, Zn, K, Mg, Na) in twelve Tibetan flower medicines.
  • To investigate the variations in trace element content among different flower species.
  • To provide data supporting the rational use and further development of these traditional medicines.

Main Methods:

  • Flame-atomic absorption spectrometry with an air-acetylene flame was employed for trace element determination.

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Published on: February 2, 2024

  • Samples included Pueraria lobata, Gomphrena globosa, Chrysanthemum morifolium, and others, sourced from markets and Qinghai province.
  • Standard addition method validated the accuracy (96.76–102.93% recovery) and precision (1.13–3.46% RSD).

    • Main Results:

    • All twelve flower medicines were found to be rich in the analyzed trace elements.
    • Potassium (K), Magnesium (Mg), and Sodium (Na) were present in higher concentrations compared to other trace elements.
    • Significant differences in trace element profiles were observed between species, with Saussurea medusa, Iris lactea var. chinensis, Canna indica, and Celosia cristata showing higher overall trace element content than Sophora japonica and Gentiana straminea.

    Conclusions:

    • The analyzed Tibetan flower medicines possess substantial levels of essential trace elements.
    • Variations in trace element composition highlight the need for species-specific considerations in traditional medicine.
    • The generated data offers a credible basis for the appropriate medicinal utilization and enhanced exploitation of these floral resources.