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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Withanolides from Withania somnifera roots.

Two new and seven known withanolides along with beta-sitosterol, stigmasterol, beta-sitosterol glucoside, stigmasterol glucoside, alpha+beta glucose were isolated from the roots of Withania somnifera. Among the known compounds, Viscosa lactone B, stigmasterol, stigmasterol glucoside and alpha+beta glucose are being reported from the roots of W. somnifera for the first time. One of the new compounds contained the rare 16beta-acetoxy-17(20)-ene the other contained unusual 6alpha-hydroxy-5,7alpha-epoxy functional groups in the withasteroid skeleton. The structures were elucidated by spectroscopic methods and chemical transformations.[1]

References

  1. Withanolides from Withania somnifera roots. Misra, L., Mishra, P., Pandey, A., Sangwan, R.S., Sangwan, N.S., Tuli, R. Phytochemistry (2008) [Pubmed]
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