Probiotic mitigates the toxic effects of potassium dichromate in a preclinical study: a randomized controlled trial

J Sci Food Agric. 2019 Jan 15;99(1):183-190. doi: 10.1002/jsfa.9159. Epub 2018 Jul 20.

Abstract

Background: The present study aimed to evaluate the nutritional, physiological and biochemical effects of dietary supplementation of an association of probiotic bacteria in rats intoxicated with chromium (VI). Ninety-six male rats, recently weaned, were randomly divided into eight groups (n = 12): Control, DK12, DK24 and DK36 (0, 0.12, 0.24 and 0.36 g kg-1 of K2 Cr2 O7 incorporated in the basal feed, respectively) and groups Prob, DK12 + Prob, DK24 + Prob and DK36 + Prob received a progressive dose of 0, 0.12, 0.24 and 0.36 g kg-1 of K2 Cr2 O7 incorporated in the basal feed and supplemented with 0.02 g kg-1 of an association of probiotic bacteria (Lactobacillus acidophilus, Enterococcus faecium, Bifidobacterium thermophilum and Bifidobacterium longum).

Results: After 90 days, we observed significant (P < 0.05) and dose-dependent alterations from incorporation of increasing doses of chromium (VI) related to nutritional, physiological and biochemical parameters. These changes were attenuated (P < 0.05) with probiotic supplementation.

Conclusion: Supplementation with probiotics in the diet beneficially modified the nutritional and physiological parameters, as well as hepatic, renal, glycemic and lipid profiles, of animals intoxicated with increasing doses of K2 Cr2 O7 . © 2018 Society of Chemical Industry.

Keywords: Cr (VI); functional foodsglycemic profile; intoxication; lipid profile; nutritional parameters.

MeSH terms

  • Animals
  • Drug Evaluation, Preclinical
  • Heavy Metal Poisoning / drug therapy*
  • Heavy Metal Poisoning / etiology
  • Heavy Metal Poisoning / pathology
  • Humans
  • Kidney / drug effects
  • Kidney / pathology
  • Lactobacillaceae / physiology*
  • Liver / drug effects
  • Liver / pathology
  • Male
  • Potassium Dichromate / toxicity*
  • Probiotics / administration & dosage*
  • Probiotics / analysis
  • Random Allocation
  • Rats
  • Rats, Wistar

Substances

  • Potassium Dichromate