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<p>This study demonstrates the influence of altitude on the concentration of <i>β</i>-ecdysone in <i>Achyranthes aspera</i> collected from 10 sites across the Garhwal Himalaya, ranging from 328 to 3510&#xa0;m. Physicochemical parameters, including moisture content, extractive values, and ash values, were assessed using WHO standard protocols, while <i>β</i>-ecdysone content was quantified via high-performance liquid chromatography (HPLC). The physicochemical analysis revealed site-specific variations, indicating the significant impact of environmental factors on plant quality. HPLC results demonstrated a clear altitude-dependent trend in <i>β</i>-ecdysone concentration, with the highest levels observed at 1285&#xa0;m (1.051&#xa0;μg/mg), suggesting that low-temperature stress at mid-altitudes promotes<i> β</i>-ecdysone accumulation as part of the plant's adaptive defense mechanism. These findings enhance our understanding of the environmental regulation of secondary metabolite production and establish <i>β</i>-ecdysone as a valuable quality marker for therapeutic applications.</p>

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Exploring the Influence of Altitude on β-Ecdysone in Achyranthes aspera L.: A Case Study from the Garhwal Himalaya

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • Acharya Balkrishna,
  • Ishwar Prakash Sharma,
  • Arun Kumar Kushwaha,
  • Vedpriya Arya

摘要

This study demonstrates the influence of altitude on the concentration of β-ecdysone in Achyranthes aspera collected from 10 sites across the Garhwal Himalaya, ranging from 328 to 3510 m. Physicochemical parameters, including moisture content, extractive values, and ash values, were assessed using WHO standard protocols, while β-ecdysone content was quantified via high-performance liquid chromatography (HPLC). The physicochemical analysis revealed site-specific variations, indicating the significant impact of environmental factors on plant quality. HPLC results demonstrated a clear altitude-dependent trend in β-ecdysone concentration, with the highest levels observed at 1285 m (1.051 μg/mg), suggesting that low-temperature stress at mid-altitudes promotes β-ecdysone accumulation as part of the plant's adaptive defense mechanism. These findings enhance our understanding of the environmental regulation of secondary metabolite production and establish β-ecdysone as a valuable quality marker for therapeutic applications.