Probiotics and Antimicrobial Proteins

, Volume 11, Issue 2, pp 470–477 | Cite as

Modulatory Effect of the Intracellular Content of Lactobacillus casei CRL 431 Against the Aflatoxin B1-Induced Oxidative Stress in Rats

  • J. E. Aguilar-Toalá
  • H. Astiazarán-García
  • M.C. Estrada-Montoya
  • H. S. Garcia
  • B. Vallejo-Cordoba
  • A. F. González-Córdova
  • A. Hernández-MendozaEmail author


It has been recognized that lactic acid bacteria exhibit antioxidant properties, which have been mainly endorsed to the intact viable bacteria. However, recent studies have shown that intracellular content (IC) may also be good sources of antioxidative metabolites, which may potentially contribute to oxidative homeostasis in vivo. Hence, the modulatory effect of the intracellular content of Lactobacillus casei CRL 431 (IC431) on aflatoxin B1 (AFB1)-induced oxidative stress in rats was evaluated on the basis of its influence on hepatic lipid peroxidation (LPO), antioxidant status-antioxidant capacity (TAC), catalase (CAT), and glutathione peroxidase (GPx) activities; and on the oxidative stress index (OSi). Results demonstrated that CAT and GPx activities, and TAC, determined in plasma samples, were significantly (P < 0.05) higher in rats treated with AFB1 plus IC431 (3.98 μM/min/mg protein, 1.88 μM/min/mg protein, and 238.7 μM Trolox equivalent, respectively) than AFB1-treated rats (3.47 μM/min/mg protein, 1.46 μM/min/mg protein, and 179.7 μM Trolox equivalent, respectively). Furthermore, plasma and liver tissue samples from rats treated with AFB1 plus IC431 showed significantly (P < 0.05) lower LPO values (52 and 51%, respectively) and OSi (59 and 51%, respectively) than AFB1-treated rats. Hence, our results proved that the intracellular content of Lact. casei CRL 431 contains metabolites that are capable to modulate the antioxidant defense systems in living organism, which may help to ameliorate the damage associated to AFB1-induced oxidative stress.


Antioxidant Intracellular content Lactobacillus Oxidative stress 



The authors thank the National Council for Science and Technology (CONACyT) of Mexico for the graduate scholarship of author Aguilar-Toalá.

Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no conflict of interest.

Ethical Approval

All procedures performed in studies involving animals were approved by the Institutional Ethics Committee of Centro de Investigación en Alimentación y Desarrollo, A.C.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • J. E. Aguilar-Toalá
    • 1
  • H. Astiazarán-García
    • 2
  • M.C. Estrada-Montoya
    • 1
  • H. S. Garcia
    • 3
  • B. Vallejo-Cordoba
    • 1
  • A. F. González-Córdova
    • 1
  • A. Hernández-Mendoza
    • 1
    Email author
  1. 1.Laboratorio de Química y Biotecnología de Productos LácteosCentro de Investigación en Alimentación y Desarrollo A.C. (CIAD)HermosilloMexico
  2. 2.Laboratorio de Patología ExperimentalCentro de Investigación en Alimentación y Desarrollo A.C. (CIAD)HermosilloMexico
  3. 3.Unidad de Investigación y Desarrollo en Alimentos (UNIDA)Instituto Tecnológico de Veracruz M. A. de Quevedo 2279VeracruzMexico

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