Advances in Traditional Medicine

Kyung Hee Oriental Medicine Research Center (경희대학교 융합한의과학연구소)
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Copper binding capacity and physicochemical properties of pectins with different degrees of esterification. Approach to standardization of pectin preparations

  • Kovalev, Valeri V (Institute of Marine Biology of the Far East, Branch of Russian Academy of Sciences) ;
  • Khotimchenko, Maxim Y (Department of Pharmacy, Vladivostok State Medical University) ;
  • Khotimchenko, Yuri S (Institute of Marine Biology of the Far East, Branch of Russian Academy of Sciences)
  • Published : 2007.06.30
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Abstract

Metal binding activity of the pectin samples with different physicochemical properties was studied. It was found that in vitro copper binding capacity of pectins is depending on the following factors: degree of esterification, content of non-methylated anhydrogalacturonic acid, and pH of solution. There was found that the maximum copper uptake capacity increases correspondingly to reduction of the degree of esterification of pectin, rise of the non-methylated anhydrogalacturnic acid content and the solution pH. It is proposed to use for standardization of pectin samples such parameters as the degree of esterification, content of anhydrogalacturonic acid, and intrinsic viscosity.

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References

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