Abstract
Rhodiola rosea is a promising medicinal plant that produces various glycosides. Recently we developed a successful method for cultivating it in liquid cultures of compact callus aggregates. In a previous study we reported the successful production of the glycosides of R. rosea by biotransformation of cinnamyl alcohol and tyrosol. In the present study we investigated the possibility of further increasing the yields of the biotransformation products by addition of glucose to the culture medium aside from sucrose, which was used earlier as carbon source. Surprisingly, glucose addition doubled the yield of cinnamyl alcohol glycosides. Rosavin was not produced at all when only sucrose was used. When glucose was added the accumulation dynamics of rosin and a recently described derivative glycoside (designed as compound 321) were similar. Both increased during the first days and then remained constant, while other glycoside compounds increased continuously throughout the cultivation. Rosavin reached its maximum concentration after nine days. In contrast to the beneficial effect on cinnamyl alcohol related glycosides the addition of glucose did not affect the accumulation of the tyrosol derivative salidroside.
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György, Z., Tolonen, A., Neubauer, P. et al. Enhanced Biotransformation Capacity of Rhodiola rosea Callus Cultures for Glycosid Production. Plant Cell Tiss Organ Cult 83, 129–135 (2005). https://doi.org/10.1007/s11240-005-4010-8
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DOI: https://doi.org/10.1007/s11240-005-4010-8