The antioxidant activities of the dried extracts and fresh juices are presented in Figure 2 . All tested plants possessed some DPPH radical scavenging activities to a certain extent. While Cortex Magnoliae Officinalis, stems and leaves of dragon tail, laksa aerial parts, Herba Houttuyniae aerial parts and curry leaves showed high activities, rodent tuber rhizomes and aerial parts showed low activities.