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Table 1 Compounds effects in reduction of XTT in vitro

From: Peroxidase activity in scutella of maize in association with anatomical changes during germination and grain storage

Substance

XTT reduction equivalents (nmol)a

CuCI2 (50 uM)b

1.71 ± 0.28

Gallic acid (7.8 mM)c

1.72 ± 0.87

NADPH (200 uM)d

4.36 ± 1.26

NADH (200 uM)d

6.79 ± 0.39

Ascorbic acid (50 mM)c

26.45 ± 0.22

Catechin (5 mM)e

48.04 ± 5.75

  1. athe equivalent reducers were determined using the molar extinction coefficient of XTT: ϵXTT = 2.16 X 1O4mol-1 cm-1 (Sutherland and Learmonth 1997); bconcentration reported as O2-scavenger (Liszkay et al. 2004); cconcentrations of phenols per embryo, the phenols are detached from the scutellar surface in maize embryos with 24 hours of imbibition; dconcentrations reported by Frahry and Schopfer (2001); econcentration calculated from constant rates of ROS scavenging.
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