Establishment of cell suspension cultures of Withania somnifera for the production of withanolide A
2010
Nagella, Praveen | Murthy, Hosakatte Niranjana
Cell suspension cultures of Withania somnifera were established in shake flasks and the effect of different growth regulators (auxins, combination of auxin and cytokinin), inoculum density (2.5-20gL⁻¹), different media (MS, B5, NN and N6), the strength of the MS medium (0.25-2.0×), carbon source (sucrose, glucose, fructose, maltose), concentration of the sucrose (1-8% (w/v)) and the initial pH (4.0-6.5) of the medium were determined for the production of withanolide A. The optimized conditions for biomass accumulation and withanolide A production were found to be 10gL⁻¹ of the inoculum on fresh weight basis, the full strength MS medium, 3% (w/v) sucrose, four weeks culture period and the initial medium pH of 5.8. The results of present study are useful for scale-up process.
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