Formation and stability of phytate complexes in solution

被引：173

作者：

Crea, Francesco ^{[1
]}

De Stefano, Concetta ^{[1
]}

Milea, Demetrio ^{[1
]}

Sammartano, Silvio ^{[1
]}

机构：

[1] Univ Messina, Dipartimento Chim Inorgan Chim Analit & Chim Fis, I-98166 Messina, Italy

来源：

COORDINATION CHEMISTRY REVIEWS | 2008年 / 252卷 / 10-11期

关键词：

phytate; protonation; metal complexes; organometal complexes; polyammonium complexes; thermodynamic parameters;

D O I：

10.1016/j.ccr.2007.09.008

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

1,2,3,4,5,6 hexakis (di-hydrogen phosphate) myo-inositol, best known as phytic acid, is a very important molecule from a biological, environmental and technological point of view. For a thorough understanding of phytate properties and the mechanisms involving this ligand, a careful study of its acid-base behavior and of the formation and stability of its complexes in solution is necessary. Unfortunately, regarding the thermodynamic data on phytate complexes in solution, some are lacking, while some others exhibit large discrepancies between different authors. This motivated a detailed evaluation of the literature on this topic, aimed at identifying the most accurate data on phytate coordination chemistry in solution. This review presents the results of this, reporting and analyzing the most significant thermodynamic parameters published for both phytate protonation and complex formation with several metal and organometal cations, as well as polyammonium. ligands. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：1108 / 1120

页数：13

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