Abstract
AbstractAndrographis paniculata is an Indian medicinal plant with tremendous therapeutic values due to the presence of active diterpenoids in its aerial parts. However, high domestic and export demand has led to overexploitation of wild populations of this species. With a view to bringing A. paniculata into cultivation and to reduce the pressure on wild populations, the present study was undertaken to identify elite germplasm from different locations of eastern India by analysing intraspecific variation in the content of four major active diterpenoids. A total of 166 wild accessions of A. paniculata analysed through high-performance liquid chromatography (HPLC) revealed remarkable variation in the sum of four active diterpenoids in the aerial parts, ranging from 0.41 to 8.55% on a dry weight basis. Three elite accessions (AP-6, AP-8, AP-46) having respectively 8.02, 8.36 & 8.55% of the sum of four major active diterpenoids were identified. These germplasm could be used for commercial cultivation and genetic improvement of A. paniculata.
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