摘要:Antioxidant and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activities, reducing powers and the amount of total phenolic compounds of aqueous and/or methanolic extracts of some medicinal plants used in Eastern Turkey were studied. These plants are Prangos ferulacea (Ç AŞIR ), Sedum sempervivoides (H OROZ L ELESI ), Malva neglecta (E BEMGÜMECI ), Cruciata taurica (S ARILIK O TU ), Rosa pimpinellifolia (K OYUN G ÓZÜ ), Galium verum subsp. verum (M ADAVUR O TU ), Urtica dioica (I SIRGAN ). The highest peroxidation inhibitions were shown by aqueous extracts of C. taurica and R. pimpinellifolia (IC50: 0.00022 mg/l and IC50: 23 mg/l, respectively). However, the highest DPPH radical scavenging activity, reducing power and the amount of phenolic compounds were shown by R. pimpinellifolia . The lowest antioxidant properties were shown by aqueous extract of M. neglecta .
关键词:antioxidant;radical scavenging;reducing power;phenolic compound;thiobarbituric acid (TBA) test