Effects of probiotics on biomarkers of oxidative stress and inflammatory factors in petrochemical workers: A randomized, double-blind, placebo-controlled trial

Mohammadi, A.A. and Jazayeri, S. and Khosravi-Darani, K. and Solati, Z. and Mohammadpour, N. and Asemi, Z. and Adab, Z. and Djalali, M. and Tehrani-Doost, M. and Hosseini, M. and Eghtesadi, S. (2015) Effects of probiotics on biomarkers of oxidative stress and inflammatory factors in petrochemical workers: A randomized, double-blind, placebo-controlled trial. International Journal of Preventive Medicine, 2015-S.

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Abstract

Background: The aim of the current study was to determine effects of probiotic yoghurt and multispecies probiotic capsule supplementation on biomarkers of oxidative stress and inflammatory factors in petrochemical workers. Methods: This randomized, double-blind, placebo-controlled trial was done among petrochemical workers. Subjects were randomly divided into three groups to receive 100 g/day probiotic yogurt (n = 12) or one probiotic capsule daily (n = 13) or 100 g/day conventional yogurt (n = 10) for 6 weeks. The probiotic yoghurt was containing two strains of Lactobacillus acidophilus and Bifidobacterium lactis with a total of min 1 � 107 CFU. Multispecies probiotic capsule contains seven probiotic bacteria spices Actobacillus casei 3 � 103, L. acidophilus 3 � 107, Lactobacillus rhamnosus 7 � 109, Lactobacillus bulgaricus 5 � 108, Bifidobacterium breve 2 � 1010, Bifidobacterium longum 1 � 109 and Streptococcus thermophilus 3 � 108 CFU/g. Fasting blood samples were obtained at the beginning and end of the trial to quantify biomarkers of oxidative stress and inflammatory factors. Results: Although a significant within-group decrease in plasma protein carbonyl levels was seen in the probiotic capsule group (326.0 ± 308.9 vs. 251.0 ± 176.3 ng/mL, P = 0.02), the changes were similar among the three groups. In addition, significant within-group decreases in plasma iso prostaglandin were observed in the probiotic supplements group (111.9 ± 85.4 vs. 88.0 ± 71.0 pg/ mL, P = 0.003) and in the probiotic yogurt group (116.3 ± 93.0 vs. 92.0 ± 66.0 pg/mL, P = 0.02), nevertheless there were no significant change among the three groups. Conclusions: Taken together, consumption of probiotic yogurt or multispecies probiotic capsule had beneficial effects on biomarkers of oxidative stress in petrochemical workers. © 2015, Mohammadi AA.

Item Type: Article
Additional Information: cited By 2
Uncontrolled Keywords: 8 hydroxyguanine; C reactive protein; carbonyl derivative; gamma interferon; placebo; probiotic agent; prostaglandin; yoghurt, adult; Article; Bifidobacterium animalis; Bifidobacterium breve; Bifidobacterium longum; controlled study; double blind procedure; human; Iran; Lactobacillus acidophilus; Lactobacillus casei; Lactobacillus delbrueckii subsp. bulgaricus; Lactobacillus rhamnosus; petrochemical industry; randomized controlled trial; Streptococcus thermophilus; worker
Subjects: Nutrition
Divisions: Faculty of Medicine > Basic Sciences > Department of Nutrition
Depositing User: editor . 2
Date Deposited: 06 Mar 2017 18:32
Last Modified: 06 Mar 2017 18:32
URI: http://eprints.kaums.ac.ir/id/eprint/398

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