EFFECT OF HARD LEWIS ACIDS ON TANNIN SYNTHESIS IN PLANTS

M. Kapel; R. Karunanithy

doi:10.1055/s-0028-1097503

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Planta Med 1977; 31(2): 123-126
DOI: 10.1055/s-0028-1097503

EFFECT OF HARD LEWIS ACIDS ON TANNIN SYNTHESIS IN PLANTS

I. Relationship between manganese and tannin in Acacia catechuM. Kapel, R. Karunanithy

Procter Department of Food and Leather Science, University of Leeds, Leeds, England, and Department of Pharmacy, University of Singapore, Singapore

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Publication Date:
13 January 2009 (online)

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Abstract

An investigation has been carried out on the relationship between manganese, a hard Lewis acid, and tannins in Acacia catechu grown in culture solution. The results obtained indicate that the uptake of manganese shows a definite correlation with the production of tannin in the plant studied.