Abstract
The influence of Gracilaria edulis and Sargassum wightii extracts was investigated for the production of biomass and withanolides in the multiple shoot suspension culture of Withania somnifera. Supplementation of 40 % G. edulis extract in MS liquid medium for 24 h exposure time in the culture recorded the highest biomass accumulation [62.4 g fresh weight and 17.82 g dry weight (DW)] and withanolides production (withanolide A 0.76 mg/g DW; withanolide B 1.66 mg/g DW; withaferin A 2.80 mg/g DW and withanone 2.42 mg/g DW) after 5 weeks of culture, which were 1.45–1.58-fold higher than control culture. This naturally available G. edulis extract-treated multiple shoot suspension culture protocol offers a potential alternative for the optimum production of biomass and withanolides utilizing shake-flasks.
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Acknowledgments
Prof. A. Ganapathi is thankful to the University Grants Commissions (UGC), Government of India, for the award of UGC-BSR (Basic Scientific Research Fellowship). The first author thankfully acknowledges the Council of Scientific and Industrial Research (CSIR), Government of India, for the award of CSIR-SRF.
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Sivanandhan, G., Selvaraj, N., Ganapathi, A. et al. Improved production of withanolides in shoot suspension culture of Withania somnifera (L.) Dunal by seaweed extracts. Plant Cell Tiss Organ Cult 119, 221–225 (2014). https://doi.org/10.1007/s11240-014-0521-5
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DOI: https://doi.org/10.1007/s11240-014-0521-5