Antioxidant activity of the methanolic extracts of some species of Phlomis and Stachys on sunflower oil

  • K Morteza-Semnani
  • M Saeedi
  • S Shahani
Keywords: Antioxidant activity, extracts, sunflower oil, peroxide value, Phlomis, Stachys

Abstract

Antioxidant effects of the methanolic extract of Phlomis bruguieri, P. herba-venti, P. olivieri, Stachys byzantina, S. inflata, S. lavandulifolia and S. laxa were tested in sunflower oil stored at 70ºC, by measuring peroxide values after regular intervals and compared with rosemary-, green tea- and BHAcontaining samples. The methanolic extracts of P. bruguieri and S. laxa were found to be most effective in stabilizing sunflower oil.
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eISSN: 1684-5315