Plants which accumulate metals. Part III. A further investigation of two australian species which take up zinc

✍ Scribed by M.E. Farago; M.J. Pitt

• Publisher: Elsevier Science
• Year: 1977
• Tongue: English
• Weight: 281 KB
• Volume: 24
• Category: Article
• ISSN: 0020-1693
• DOI: 10.1016/s0020-1693(00)93876-3

✦ Synopsis

The zinc which remains insoluble in the plants Crotalaria novae hollandiae and Polycarpaea glabra after treatment with aqueous ethanol and water, has been shown to be associated with carbohydrates. It is concluded that zinc ions are stored in carbohydrate ion exchange sites in the cell walls and that these are not specific for zinc. Part of the zinc may be removed by Ca*+ ions and the plant residues from which zinc has been removed in this way show greater affinity for Cu*+ than for Zn*+ ions.