Concepedia

Rapid and novel discrimination and quantification of oleanolic and ursolic acids in complex plant extracts using two-dimensional nuclear magnetic resonance spectroscopy—Comparison with HPLC methods

Vassiliki G. Kontogianni, Vassiliki Exarchou, Anastassios N. Troganis, Ioannis P. Gerothanassis

Analytica Chimica Acta · 2009 · 77 citations · 60 references

DOI

Concepts

References

60

α-Amylase inhibitory activity of some Malaysian plants used to treat diabetes; with particular reference to Phyllanthus amarus

Hasenah Ali, Peter J. Houghton, Amala Soumyanath · Journal of Ethnopharmacology · 2006 · 745 citations

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Complete assignments of <sup>1</sup>H and <sup>13</sup>C NMR resonances of oleanolic acid, 18α‐oleanolic acid, ursolic acid and their 11‐oxo derivatives

Werner Seebacher, Nebojša Simić, Robert Weis et al. · Magnetic Resonance in Chemistry · 2003 · 459 citations

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Antihypertensive, antiatherosclerotic and antioxidant activity of triterpenoids isolated from Olea europaea, subspecies africana leaves

Liliana Somova, Francis O. Shode, P. Ramnanan et al. · Journal of Ethnopharmacology · 2003 · 379 citations

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Synthesis of alternating hydroxy- and methyl-substituted hydrocarbons by oxymercuration of cyclopropylcarbinols

David B. Collum, W. Clark Still, F. MOHAMADI · Journal of the American Chemical Society · 1986 · 284 citations

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Method for Determining Molar Concentrations of Metabolites in Complex Solutions from Two-Dimensional <sup>1</sup>H−<sup>13</sup>C NMR Spectra

Ian A. Lewis, Seth C. Schommer, Brendan Hodis et al. · Analytical Chemistry · 2007 · 268 citations · Full text