The objective of the present study was to isolate, characterize, quantify and compare the accumulation of bioactive secondary metabolite-diosgenin from in vitro cultured cells of Helicteres isora and plant parts. The levels of this secondary compound were examined by using various biochemical techniques. The result showed that maximum diosgenin was obtained from in vitro cultured cells as compared to the plant parts. The fallout of this study is important, since levels of diosgenin detected in the in vitro cultured cells were more than in the plant parts. In vitro cultured cells accumulate comparatively higher amount of diosgenin making Helicteres isora a potentially new and indigenous source of diosgenin.
Boerhaavia diffusa L is a medicinal herb with immense pharmaceutical significance. The plant is used by many herbalist, Ayurvedic and pharmaceutical industries for production biopharmaceuticals. It is among the 46 medicinal plant species in high trade sourced mainly from wastelands and generally found in temperate regions of the world. However, the commercial bulk of this plant shows genetic variations which are the main constraint to use this plant as medicinal ingredient and to obtain high value products of pharmaceutical interest from this plant. In this study, we have regenerated the plant of Boerhaavia diffusa L through nodal explants and evaluated genetic fidelity of the micropropagated plants of Boerhaavia diffusa L with the help of random amplified polymorphic DNA (RAPD) markers. The results obtained using RAPD showed monomorphic banding pattern revealing genetic stability among the mother plant and in vitro regenerated plants of Boerhaavia diffusa L.
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