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Table 1 Comparative analysis of different antioxidant enzymes and ascorbate content in 14 days old seedlings of different rice cultivars

From: Interdependency of Reactive Oxygen Species generating and scavenging system in salt sensitive and salt tolerant cultivars of rice

Cultivar SOD (units mg protein-1) APX (μmol min-1 mg protein-1) CAT (μmol min-1 mg protein-1) GPX (μmol min-1 mg protein-1) GR (μmol min-1 mg protein-1) DHAR (μmol min-1 mg protein-1) MDHAR (μmol min-1 mg protein-1) Reduced ascorbate/Oxidised ascorbate ratio
IR64 0.0243 ± 0.0023d 19.85 ± 0.563b 0.486 ± 0.012a 51.16 ± 1.65b 3.58 ± 0.045b 1.02 ± 0.016b 1.76 ± 0.068b 0.739 ± 0 .027b
PB 0.0387 ± 0.0021c 18.55 ± 0.518b 0.581 ± 0.003a 51.80 ± 0.40b 4.12 ± 0.112b 1.05 ± 0.014b 1.60 ± 0.063b 0.698 ± 0.011b
Luna Sankhi 0.0661 ± 0.0033b 26.21 ± 0.301a 0.277 ± 0.190b 68.41 ± 3.45a 5.98 ± 0.276a 1.43 ± 0.05a 2.24 ± 0.060a 0.884 ± 0.017a
Luna Suvarna 0.0866 ± 0.0008a 26.13 ± 0.230a 0.397 ± 0.013b 75.51 ± 1.68a 5.91 ± 0.072a 1.49 ± 0.05a 2.28 ± 0.075a 0.905 ± 0.033a
  1. (SOD Superoxide Dismutase, APX Ascorbate Peroxidase, CAT Catalase, GPX Guaicol Peroxidase, GR Glutathione Reductase, DHAR Dehydroascorbate Reductase, MDHAR Monodehydroascorbate Reductase). Values represent mean ± SE (n = 3)
  2. Different letters (a, b, c, d) within cultivars are significantly different (Tukey LSD, p ≤ 0.05)