HYDROALCOHOLIC EXTRACTION OF SHOOT CULTURES FROM NOTHAPODYTE NIMMONIANA AND ITS ANTI-PROLIFERATIVE ANALYSIS
Objective: The important restraints in plant-derived medicine are the convenience of active composites which depends on diverse topographical situations, active compound build-up pattern, environmental circumstances and genetic makeup of the plant. The presented work was aimed to describe an efficient technique for fast propagation of Nothapodytes nimmoniana which is an imperative source of Camptothecin.
Methods: Multiple shoots were successfully regenerated from the explants N. nimmoniana using Murashige and Skoog (MS) medium accompanied with IBA+KN+GA3 (1:3:2) mg/l. the hydro-alcoholic extract was obtained by soxhlet extraction for field grown roots (fgRE), shoots (fgSE) and in vitro plantlets (ivPL) and further subjected to phytochemicals analysis. HPLC analysis was performed to determine the percentage of camptothecin (CAM). Anti-proliferative studies were carried out followed by Acridine orange/Ethidium bromide staining. Extracts were also estimated for reactive nitrogen species (RNS) and reactive oxygen species (ROS).
Results: Preliminary qualitative chemical analysis of the extracts displayed the presence of alkaloids, carbohydrates, steroids, saponins, terpenoids and phenolics compounds. HPLC analysis revealed the presence of CAM in all the extracts. ivPL exhibited lowest anti-proliferative activity in contrast to other extract and percentage of ROS and RNS was also less. Although ivPL did not exhibited prominent anti-tumour effect, but in vitro accumulation of CAM in 2-months old shoots provides an alternative resource to 5 y-old field grown plants.
Conclusion: This work delivers a potential to lead to further increase the potency of CAM in in vitro shoots of two months old as an alternative to the field grown plants for treating cancers.
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