... PowerPAC Universal(Bio-Rad, Hercules, CA, USA). On the basis of the gradi-ent concentration of bovine serum albumin, the ParA1 con- centration was evaluated by quantity one, a softwarecontained ... representative of at least three measurements under the indicated conditions. (C) The relative content of OH• in the H + ParA1, A4 00 and A + ParA1 zones against the H2O zone. Mean values ± standard ... Hitachi, Tokyo,Japan). On the basis of the absorbance value, the standardcurve (obtained by adding the concentration gradient of H2O2) and the loaded weight of plant tissue, the content of H2O2was...