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<p>The present study was conducted to investigate the dynamics of bergenin content in <i>Bergenia ciliata</i> rhizomes when subjected to different drying and storage conditions during 2023–24. Freshly collected rhizomes were subjected to various methods of drying viz., shade drying, sun drying, solar drying and oven drying at 35 °C, 40 °C, 60 °C and 70 °C. Among the different drying methods, shade drying preserved the highest bergenin content (5.058&#xa0;mg/g of crude extract), showing a significant advantage over the other drying methods. During storage, the effect of packaging material, storage conditions and duration on bergenin content was evaluated. The shade dried rhizome samples were stored at room temperature (25 °C), refrigerator (4– 6 °C) and deep freezer (− 20 °C) conditions for 2, 4 and 6&#xa0;months. Bergenin content in dried rhizomes and dried rhizome extract declined as storage duration increased irrespective of the different storage conditions. The bergenin content in rhizomes decreased from 8.50 ± 0.08 to 7.57 ± 0.08&#xa0;mg/g of crude extract after six months of storage at 4–6 °C. Whereas, bergenin content in dried rhizome extract decreased from 34.26 ± 0.03 to 25.03 ± 0.02&#xa0;mg/g of crude extract after six month of storage at − 20 °C. Refrigeration (4–6 °C) enhanced bergenin retention compared to room temperature, although all storage conditions experienced notable losses. Among the drying methods, shade drying proved most effective in preserving bergenin content. This is the first report of evaluation of different drying and storage conditions on stability of bergenin in <i>Bergenia ciliata</i> providing practical guidelines for long-term storage and industrial&#xa0;applications.</p>

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Post-harvest management for preserving bergenin content in Bergenia ciliata rhizomes and dried extract

  • 期刊论文

  • 发表日期：

    2026年6月22日

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  • Prachi Chaurasia,
  • Kuldipika Sharma,
  • Reena Sharma,
  • Y. P. Sharma,
  • Chitralekha Bhardwaj

摘要

The present study was conducted to investigate the dynamics of bergenin content in Bergenia ciliata rhizomes when subjected to different drying and storage conditions during 2023–24. Freshly collected rhizomes were subjected to various methods of drying viz., shade drying, sun drying, solar drying and oven drying at 35 °C, 40 °C, 60 °C and 70 °C. Among the different drying methods, shade drying preserved the highest bergenin content (5.058 mg/g of crude extract), showing a significant advantage over the other drying methods. During storage, the effect of packaging material, storage conditions and duration on bergenin content was evaluated. The shade dried rhizome samples were stored at room temperature (25 °C), refrigerator (4– 6 °C) and deep freezer (− 20 °C) conditions for 2, 4 and 6 months. Bergenin content in dried rhizomes and dried rhizome extract declined as storage duration increased irrespective of the different storage conditions. The bergenin content in rhizomes decreased from 8.50 ± 0.08 to 7.57 ± 0.08 mg/g of crude extract after six months of storage at 4–6 °C. Whereas, bergenin content in dried rhizome extract decreased from 34.26 ± 0.03 to 25.03 ± 0.02 mg/g of crude extract after six month of storage at − 20 °C. Refrigeration (4–6 °C) enhanced bergenin retention compared to room temperature, although all storage conditions experienced notable losses. Among the drying methods, shade drying proved most effective in preserving bergenin content. This is the first report of evaluation of different drying and storage conditions on stability of bergenin in Bergenia ciliata providing practical guidelines for long-term storage and industrial applications.