The alpine region of the Himalaya is a rich repository of medicinally important plants used in both traditional and modern therapeutics. These species are the predominant floral wealth of the Himalaya bestowed by unique geographical location, climatic conditions, and edaphic and altitudinal variations. The continuous and often indiscriminate collections (i.e., well beyond their natural regenerative capacity), coupled with habitat destruction, have led to many species being listed in the IUCN Red Data Book and/or in various threat categories. However, as an issue of global concern, conservation and management of these valuable genetic resources are essential. Although extensive research has been conducted, assessing these scientific publications needs a thorough investigation. The study, therefore, aims to identify and analyze the central themes and research trends through a bibliometric analysis and highlights available knowledge on high-altitude Himalayan medicinal plants. A total of 1236 scientific documents (obtained from the Scopus database) from 1990 to 2024 were analyzed. The parameters assessed for the results include (i) publication trends, (ii) analysis of contributing countries, (iii) thematic evolution, (iv) co-occurrence of authors’ keywords, (v) prominent species studied, and (vi) organizations. The study identified an evident upward trend in research on high-altitude Himalayan medicinal plants. The country-wise analysis indicates that the highest number of publications is attributed to India (226), followed by China (54), while Pakistan and Nepal contribute 27 and 17, respectively. Similarly, the author’s keyword analysis identified the keyword “medicinal plant” with the highest occurrences (56 hits) and a total link strength of 122, followed by the keyword “plant extract” (49 hits; a link strength of 116), “traditional medicine,” and “ethnobotany” with 22 hits and 53 as link strength. Among the species, Picrorhiza kurroa was the most extensively studied species, with 33 publications, followed by Saussurea costus and Swertia chirayita, with 27 and 24 documents. Thematic-wise, most of the publications were from the biological sciences. In contrast, documents from chemistry, immunology, microbiology, and social sciences were comparatively lesser in number, thus suggesting emerging or interdisciplinary research in these areas. While this study provided a systematic overview of productivity and visibility of research work on high-altitude medicinal plants, it has a limitation in that only documents from the Scopus database were included in the analysis. Although Scopus encompasses a substantial number of peer-reviewed journals, it may exclude some relevant research on the topic. Furthermore, while the main research themes were identified and discussed briefly, more comprehensive information on each central theme is still required.

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Available Knowledge, Trends in Research, and Future Prospects of High-Altitude Medicinal Plants

  • Indra Dutt Bhatt,
  • Laxman Singh,
  • Deep Chandra Tiwari

摘要

The alpine region of the Himalaya is a rich repository of medicinally important plants used in both traditional and modern therapeutics. These species are the predominant floral wealth of the Himalaya bestowed by unique geographical location, climatic conditions, and edaphic and altitudinal variations. The continuous and often indiscriminate collections (i.e., well beyond their natural regenerative capacity), coupled with habitat destruction, have led to many species being listed in the IUCN Red Data Book and/or in various threat categories. However, as an issue of global concern, conservation and management of these valuable genetic resources are essential. Although extensive research has been conducted, assessing these scientific publications needs a thorough investigation. The study, therefore, aims to identify and analyze the central themes and research trends through a bibliometric analysis and highlights available knowledge on high-altitude Himalayan medicinal plants. A total of 1236 scientific documents (obtained from the Scopus database) from 1990 to 2024 were analyzed. The parameters assessed for the results include (i) publication trends, (ii) analysis of contributing countries, (iii) thematic evolution, (iv) co-occurrence of authors’ keywords, (v) prominent species studied, and (vi) organizations. The study identified an evident upward trend in research on high-altitude Himalayan medicinal plants. The country-wise analysis indicates that the highest number of publications is attributed to India (226), followed by China (54), while Pakistan and Nepal contribute 27 and 17, respectively. Similarly, the author’s keyword analysis identified the keyword “medicinal plant” with the highest occurrences (56 hits) and a total link strength of 122, followed by the keyword “plant extract” (49 hits; a link strength of 116), “traditional medicine,” and “ethnobotany” with 22 hits and 53 as link strength. Among the species, Picrorhiza kurroa was the most extensively studied species, with 33 publications, followed by Saussurea costus and Swertia chirayita, with 27 and 24 documents. Thematic-wise, most of the publications were from the biological sciences. In contrast, documents from chemistry, immunology, microbiology, and social sciences were comparatively lesser in number, thus suggesting emerging or interdisciplinary research in these areas. While this study provided a systematic overview of productivity and visibility of research work on high-altitude medicinal plants, it has a limitation in that only documents from the Scopus database were included in the analysis. Although Scopus encompasses a substantial number of peer-reviewed journals, it may exclude some relevant research on the topic. Furthermore, while the main research themes were identified and discussed briefly, more comprehensive information on each central theme is still required.