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A novel method for the determination of phospholipids in starch matrixes

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Abstract

A method is proposed for the determination of phospholipids in a starch matrix. It is based on the chemical gelation of starch in a mixture starch-phosphatidylcholine using dimethyl sulfoxide followed by the quantification of phosphorus in the gel formed by 31P NMR in the presence of a standard, tributyl phosphate. The method makes possible the determination of phospholipid concentrations below one percent in no relation to its state in the starch matrix.

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Authors and Affiliations

  1. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, ul. Kosygina 4, Moscow, 119334, Russia

    N. K. Genkina & L. N. Kurkovskaya

Authors
  1. N. K. Genkina
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  2. L. N. Kurkovskaya
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Original Russian Text © N.K. Genkina, L.N. Kurkovskaya, 2013, published in Zhurnal Analiticheskoi Khimii, 2013, Vol. 68, No. 2, pp. 184–186.

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Genkina, N.K., Kurkovskaya, L.N. A novel method for the determination of phospholipids in starch matrixes. J Anal Chem 68, 170–172 (2013). https://doi.org/10.1134/S1061934813020093

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  • DOI: https://doi.org/10.1134/S1061934813020093

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