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Improvement of Light Fastness of Berberine Colorant by Natural Antioxidants

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2007, 19(2), pp.1-6
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering

Taekyeong Kim 1 Eunkyung Kim 2 Jongseok Jeong 1

1Kyungpook National University
2Korea Dyeing Technology Center

Accredited

ABSTRACT

In order to improve the light fastness of a natural colorant berberine, several natural antioxidants such as gallic acid, L-ascorbic acid, and α-tocopherol were applied by aftertreatment method. Even though the increase in light fastness of berberine colorant was not substantial, L-ascorbic acid was the most effective. It was considered that this improvement of the light fastness was due to high antioxidation action of L-ascorbic acid to colorant, which led very highly excited species of the colorant formed by photo-energy to return to the original stable state without being decomposed.

Citation status

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