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

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Iridal glycosides from Iris spuria (Zeal), cultivated in Egypt.

Fractionation of a methanol extract obtained from rhizomes of I. spuria (Zeal) resulted in the isolation of seven iridalglycosides 5a,b, 6a-c, 7, 8. The structures of the aglycons and the position of the glycosidic bonds were elucidated by spectroscopic analyses. The nature of the sugar moieties was determined as glucose from capillary GC and GC/MS analyses after hydrolysis of the compounds, reduction and derivatization of the resulting hexitols in comparison to authentic standards. Methylation analysis revealed the glycosyl-linkage composition. The number and position of the glucose residues was determined by ozonolysis.[1]

References

  1. Iridal glycosides from Iris spuria (Zeal), cultivated in Egypt. Marner, F.J., Singab, A.N., Al-Azizi, M.M., El-Emary, N.A., Schäfer, M. Phytochemistry (2002) [Pubmed]
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