JOURNAL OF TEXTILE RESEARCH ›› 2012, Vol. 33 ›› Issue (7): 10-14.

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Separation of pigments extracted from natural brown cotton fiber by liquid chromatography

 MA  Ming-Bo1, LI  Rong-Xia1, TANG  Zhi-Rong1, WU  Shi-Hua2, ZHOU  Wen-Long1   

    1. College of Materials and Textiles, Zhejiang Sco-Tech University
    2. Colege of Life Sciences, Zhejiang University
  • Received:2011-07-18 Revised:2011-11-03 Online:2012-07-15 Published:2012-07-02
  • Contact: ZHOU Wen-Long E-mail:wzhou@zstu.edu.cn

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Abstract: The polyamide column chromatography, high-performance liquid chromatography(HPLC) and preparative Liquid chromatography were used to separate pigments extracted from natural brown cotton fiber. The results showed that the pigment extract could be successfully separated and concentrated by polyamide column chromatography, the pigments consists of two parts for their different colors and HPLC chromatograms of elution segments. Two colored compositions and one colorless were isolated from water elution segment by preparative C18-Reversed-phase chromatography, but the other segment can not be isolated by this chromatography column, according to the retention action on chromatography columns, this part of pigment may belong to a series of polyphenol compounds with closely similar structure.

Key words: natural brown cotton , pingents , liquid chromatography , separation

CLC Number: 

  • TS111
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