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Volume 80
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Article

Antimicrobial and Safety Properties of Lactobacilli Isolated from two Cameroonian Traditional Fermented Foods

by
Pierre Marie KAKTCHAM
1,2,
Ngoufack François ZAMBOU
1,*,
Félicité Mbiapo TCHOUANGUEP
1,
Morsi EL-SODA
3 and
Muhammad Iqbal CHOUDHARY
2
1
Laboratory of Biochemistry, Food Science and Nutrition (LABPMAN), Department of Biochemistry, Faculty of Science, University of Dschang, P.O. Box 67 Dschang, Cameroon
2
HEJ Research Institute of Chemistry, International Center for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi-75270, Pakistan
3
Laboratory of microbial Biochemistry, Faculty of Agronomy, University of Alexandria, Egypt
*
Author to whom correspondence should be addressed.
Sci. Pharm. 2012, 80(1), 189-204; https://doi.org/10.3797/scipharm.1107-12
Submission received: 11 July 2011 / Accepted: 18 December 2011 / Published: 18 December 2011
Versions Notes

Abstract

Twenty-one Lactobacillus isolates from “Sha’a” (a maize – based fermented beverage) and “Kossam” (traditionally fermented cow milk) were selected in accordance with their antagonistic activities and tested for their bacterio-cinogenic potential as well as safety properties. These isolates were prelim-inarily identified as Lactobacillus plantarum (62%), Lactobacillus rhamnosus (24%), Lactobacillus fermentum (10%) and Lactobacillus coprophilus (4%) based on phenotypic characteristics and rep-PCR genomic fingerprinting. Twelve (57.1%) out of the 21 strains tested were found to be bacteriocin producers, as revealed by the sensitivity of their antimicrobial substances to proteolytic enzymes (Trypsin, Proteinase K) and inhibition of other Lactobacillus spp. These bacteriocinogenic strains showed no positive haemolytic and gelatinase activities and proved to be sensitive to penicillin G, ampicillin, tetracycline, erythromycin, amoxicillin, chloramphenicol, co-trimoxazole and doxycyclin, but resistant to ciprofloxacin and gentamicin. The bacteriocins showed a broad inhibitory activity against Gram-positive and Gram-negative pathogenic bacteria, several of which are classified as especially dangerous by the World Health Organization, as well as Multidrug-resistant strains. These include Staphylococcus aureus, Salmonella enterica subsp. enterica serovare Typhi, Bacillus cereus, Streptococcus mutans, Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumoniae and Shigella flexneri. These Lactobacillus strains are promising candidates for use as protective cultures in food fermentation.
Keywords: Sha’a; Kossam; Lactobacillus spp.; Rep-PCR; Safety properties; Antimicrobial activity Sha’a; Kossam; Lactobacillus spp.; Rep-PCR; Safety properties; Antimicrobial activity

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MDPI and ACS Style

KAKTCHAM, P.M.; ZAMBOU, N.F.; TCHOUANGUEP, F.M.; EL-SODA, M.; CHOUDHARY, M.I. Antimicrobial and Safety Properties of Lactobacilli Isolated from two Cameroonian Traditional Fermented Foods. Sci. Pharm. 2012, 80, 189-204. https://doi.org/10.3797/scipharm.1107-12

AMA Style

KAKTCHAM PM, ZAMBOU NF, TCHOUANGUEP FM, EL-SODA M, CHOUDHARY MI. Antimicrobial and Safety Properties of Lactobacilli Isolated from two Cameroonian Traditional Fermented Foods. Scientia Pharmaceutica. 2012; 80(1):189-204. https://doi.org/10.3797/scipharm.1107-12

Chicago/Turabian Style

KAKTCHAM, Pierre Marie, Ngoufack François ZAMBOU, Félicité Mbiapo TCHOUANGUEP, Morsi EL-SODA, and Muhammad Iqbal CHOUDHARY. 2012. "Antimicrobial and Safety Properties of Lactobacilli Isolated from two Cameroonian Traditional Fermented Foods" Scientia Pharmaceutica 80, no. 1: 189-204. https://doi.org/10.3797/scipharm.1107-12

APA Style

KAKTCHAM, P. M., ZAMBOU, N. F., TCHOUANGUEP, F. M., EL-SODA, M., & CHOUDHARY, M. I. (2012). Antimicrobial and Safety Properties of Lactobacilli Isolated from two Cameroonian Traditional Fermented Foods. Scientia Pharmaceutica, 80(1), 189-204. https://doi.org/10.3797/scipharm.1107-12

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