ESTIMATION OF ANTIRADICAL PROPERTIES OF COMPONENTS FROM GINGER RHIZOME
Abstract
Antiradical properties of three samples from the ginger (Zingiber officinale R.): juice from fresh rhizome, essential oil and extract (oleoresin) were studied and compared with the properties of synthetic antioxidant ionol (butylated hydroxy-toluene, BHT). The reaction antioxidants with the stable free 2,2-diphenyl-1-picrylhydrazyl radical was used as model systems. DPPH equivalents per gram of ginger samples, values of ЕC50 and values of antiradical efficiency AE were determined.
The values of ЕC50 and AE for ginger oleoresin and BHT were similar. They were the same as high active natural antioxidants and these values for essential oil and ginger juice were on 2 orders lower. On the base of kinetic parameters the ginger samples may be belong antiradical compounds with prolonged actions.Downloads
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