Gymnema sylvestre R. Br. (Asclepiadaceae) is an endangered species extensively used in the management of diabetes, obesity, and treatment of various diseases. Uncontrolled exploitation to meet the increasing demand and low seed viability hastens the disappearance of the plant from its natural habitat. Hairy root culture provides a suitable alternative for the enhanced production of active principles. The current protocol provides the optimized culture conditions for the establishment of hairy root cultures and elicitation studies and also confirmation of stable integration of A. rhizogenes plasmid T-DNA into host genetic material by PCR and RT-PCR. Furthermore, it also discusses the suitable methods for the extraction procedures, and qualitative and quantitative analysis of gymnemic acid by HPTLC and HPLC.
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