Bradford M.A rapid and sensitive method for quantitation of microgram quantities of protein utilizing the principle of protein-dye binding[J].Analytical biochemistry,1976,72:248-254.
Golovchenko V V，Ovodova R G，Shashkov A S，et al.Structural studies of the pectic polysaccharide from duckweed Lemna minor L[J].Phytochemistry，2002,60:89-97.
Outten F W，Theil E C.Iron-based redox switches in biology[J].Antioxid Redox Signal,2009,11(5):1029-1046.
[13]
Hoagland D R，Arnon D I.The water culture method for growing plants without soil[C].Circular California Agricultural Experimental Station,1938,347:1-39．
Somashekaraish B V，Padmaja K，Prasad R K.Phytoxicity of Cadmium ions on germination seedling of mung bean: Involvement of lipid peroxides in chlorophyll degradation[J].Physiology Plant,1992,85:85-89.
[16]
Van Assche F，Clijsters H.Effcets of metal on enzyme activity in plants[J].Plant Cell and Environment,1990,13:195-206.
