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Effect of carboxymethyl chito-oligosaccharide on cysteine absorption in intestinal porcine epithelial cells

Author

Listed:
  • Huayu Huang

    (College of Veterinary Medicine, Southwest University, Chongqing, P.R. China)

  • Chen Zhang

    (College of Veterinary Medicine, Southwest University, Chongqing, P.R. China)

  • Luqiu Feng

    (College of Veterinary Medicine, Southwest University, Chongqing, P.R. China)

  • Naixiu Wang

    (College of Veterinary Medicine, Southwest University, Chongqing, P.R. China)

  • Kai Wang

    (College of Veterinary Medicine, Southwest University, Chongqing, P.R. China)

  • Zhenhui Song

    (College of Veterinary Medicine, Southwest University, Chongqing, P.R. China)

  • Ling Gan

    (College of Veterinary Medicine, Southwest University, Chongqing, P.R. China
    Key Laboratory of Pig Industry Sciences, Ministry of Agriculture and Rural Affairs, Chongqing, P.R. China
    Chongqing Key Laboratory of Pig Industry Sciences, Chongqing, P.R. China)

Abstract

Oxidative stress is associated with retarded growth and the initiation and progression of diseases in pigs. The carboxymethylation of chito-oligosaccharide (COS) can improve its antioxidant activity for such issues. Herein, an orthogonal experiment L9 (34) test design was used to optimise the preparation conditions of carboxymethyl (CM)-COS. Fourier-transform infrared analysis evidenced the carboxymethylation of COS, and an in vitro study indicated that the hydroxyl radical scavenging ability of CM-COS is superior to that of COS. CM-COS can also better promote the absorption of cysteine and increase the expression of the amino acid transport system b0,+ in intestinal porcine epithelial cells. The results suggested that CM-COS can effectively resist oxidative damage by promoting cysteine absorption mediated by transport system b0,+, which provides important information regarding the antioxidative damage application of COS and CM-COS in the pig farming industry.

Suggested Citation

  • Huayu Huang & Chen Zhang & Luqiu Feng & Naixiu Wang & Kai Wang & Zhenhui Song & Ling Gan, 2022. "Effect of carboxymethyl chito-oligosaccharide on cysteine absorption in intestinal porcine epithelial cells," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 67(7), pages 266-274.
    • Handle: RePEc:caa:jnlcjs:v:67:y:2022:i:7:id:138-2021-cjas
    DOI: 10.17221/138/2021-CJAS
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