The fresh flowers of Opuntia stricta were collected and extracted with 85% methanol under reflux. The concentrated extract was fractionated with Et2O, EtOAc and petroleum ether. Rhamnetin 3-O-rutinoside was obtained from EtOAc fraction, as confirmed through 1H and 13C NMR, 1H-1H NOESY, 1H-13C HSQC, and mass spectra. The isolated flavonoid glycoside was investigated for its antihyperglycemic activity on alloxan-induced diabetic male albino rats.
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An erratum to this article can be found at http://dx.doi.org/10.1007/s11094-011-0668-x
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Merina, A.J., Kesavan, D. & Sulochana, D. Isolation and antihyperglycemic activity of flavonoid from flower petals of Opuntia stricta . Pharm Chem J 45, 317–321 (2011). https://doi.org/10.1007/s11094-011-0625-8
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DOI: https://doi.org/10.1007/s11094-011-0625-8