Interaction of Organic Acids and Polyphenol Compounds on the Coordination Bond of Aluminium.

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  • FUKUSHIMA Masako
    Faculty of Practical Arts and Science, Showa Women's University
  • TANIMURA Akio
    Science for Living System, Graduate School, Showa Women's University

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  • 有機酸およびポリフェノール類のアルミニウム配位における相互作用
  • ユウキサン オヨビ ポリフェノールルイ ノ アルミニウム ハイイ ニ オケル

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Abstract

We have already reported the aluminium binding ability associated with organic acids, polyphenol compounds and dietary fiber3). Aluminium ions were easily bound to citric acid, oxalic acid and tannic acid. Organic acids and polyphenol compounds are commonly co-existing in foods. Absorption amount of aluminium may be influenced to co-existing ligands. Binding property of aluminium ion with citric acid or oxalic acid was investigated in the presence of polyphenol compounds. Consequently, the binding ability of aluminium ions was increased by oxalic acid in the presence of polyphenol compounds.

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