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Molecules 2006, 11(5), 309-317; doi:10.3390/11050309
Article

Solvent Effects in Electrocoagulation of Selected Plant Pigments and Tannin

1, 1, 2,*  and 1,*
Received: 9 April 2006; in revised form: 27 April 2006 / Accepted: 27 April 2006 / Published: 29 April 2006
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Abstract: Electrocoagulation of a plant extract and certain substances representative of selected classes of plant pigments, viz. chlorophyll, a carotenoid, a phenolic substance and a tannin, was performed in ethanol containing varying amounts of water (15-75%). The results showed that the extent and efficiency of coagulation of these substances tends to vary in a manner directly related to the water content of the solvent, although the tannin and the phenolic substance were less sensitive to the solvent composition and are equally well coagulated in all solvent systems studied. The findings can be applied to the removal of these substances from aqueous alcoholic plant extracts using the electrocoagulation technique.
Keywords: Electrocoagulation; electrolytic decolourisation; plant pigments; phenolic compounds; tannins Electrocoagulation; electrolytic decolourisation; plant pigments; phenolic compounds; tannins
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Chairungsi, N.; Jumpatong, K.; Phutdhawong, W.; Buddhasukh, D. Solvent Effects in Electrocoagulation of Selected Plant Pigments and Tannin. Molecules 2006, 11, 309-317.

AMA Style

Chairungsi N, Jumpatong K, Phutdhawong W, Buddhasukh D. Solvent Effects in Electrocoagulation of Selected Plant Pigments and Tannin. Molecules. 2006; 11(5):309-317.

Chicago/Turabian Style

Chairungsi, Neeranuch; Jumpatong, Kanlaya; Phutdhawong, Weerachai; Buddhasukh, Duang. 2006. "Solvent Effects in Electrocoagulation of Selected Plant Pigments and Tannin." Molecules 11, no. 5: 309-317.


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