Changes in antioxidant enzyme activities in Eichhornia crassipes (Pontederiaceae) and Pistia stratiotes (Araceae) under heavy metal stress

Whole plants of Eichhornia crassipes and Pistia stratiotes were exposed to various concentrations (0, 0.1, 0.3, 0.5, 1.0, 3.0 and 5.0 mM) of 8 heavy metals (Ag, Cd, Cr, Cu, Hg, Ni, Pb and Zn) hydroponically for 21 days. Spectrometric assays for the total activity of catalase, peroxidase, and superox...

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Bibliographic Details
Published in:	Revista de Biología Tropical
Main Authors:	V.J Odjegba, I.O Fasidi
Format:	Article
Language:	English
Published:	Universidad de Costa Rica 2007-12-01
Subjects:	catalasa peroxidasa dismutasa superoxida Eichhornia crassipes metales pesados Pistia stratiotes especies reactivas al oxígeno catalase peroxidase superoxide dismutase heavy metals reactive oxygen species
Online Access:	http://www.scielo.sa.cr/scielo.php?script=sci_arttext&pid=S0034-77442007000300008

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