Volume 15, Issue 7 (December 2012)
J Arak Uni Med Sci 2012, 15(7): 72-79 |
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Mehrabian S, Tajabadi-Ebrahimi M, Abbas-Ahmadi M, Bahrami H. Study of antimutagenic and anticancer effect of lactic acid bacteria isolated from Tarkhineh by Ames Test. J Arak Uni Med Sci 2012; 15 (7) :72-79
URL: http://jams.arakmu.ac.ir/article-1-1383-en.html
URL: http://jams.arakmu.ac.ir/article-1-1383-en.html
1- Islamic Azad. University, North Tehran Branch
2- Islamic Azad University, central Tehran Branch
3- Islamic Azad. University, North Tehran Branch , ahmadi.3916@gmail.com
2- Islamic Azad University, central Tehran Branch
3- Islamic Azad. University, North Tehran Branch , ahmadi.3916@gmail.com
Abstract: (10969 Views)
Background: Deaths due to cancer have been increasing in many countries in recent years. Probiotics are live microorganisms that have beneficial effects on consumer’s health. The aim of this study was to investigate antimutagenic and anticancer effects of Lactobacilli strains isolated from Tarkhineh in order to select potential probiotic strains. Materials and Methods: In this experimental study, 25 strains of Lactobacillus that had previously been isolated from Tarkhineh were used. Antimutagenicity test was performed based on proposed method of Ames. The results of the test were individuated after comparison between samples (suspensions of Lactobacilli) and positive (sodium azide) and negative (distilled water) controls. SPSS version 16 was used for statistical analysis. Results: Antimutagenic activity was observed only in four strains of Lactobacilli. The inhibitory percentage in the four strains of Lactobacilli, in its highest level was equal to 60.38 and in its lowest percentage equal to 39.37%. Also, the inhibitory percentage of mutation among the four strains in the presence of microsome were significantly different (P<0.05) than the absence of microsome. Adding the microsome of rat liver (S9) proved the anticancer effects of four Lactobacilli strains. Conclusion: Of the 25 strains of Lactobacilli, 4 strains which had the highest antimutagenicity effects were chosen as the potential probiotic strains.
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