Fig. 1From: Hepatoprotective and antioxidant activity of Ipomoea staphylina Linna Antioxidant activity of AIS. a ABTS.+ radical scavenging activity of AIS compared with BHT. Each value is expressed as the mean ± standard deviation (n = 3). b DPPH radical scavenging activity of AIS compared BHT. Each value is expressed as the mean ± standard deviation (n = 3)Back to article page