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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Functional characteristics of Lactobacillus spp. from traditional Maasai fermented milk products in Kenya
International Journal of Food Microbiology, Volume 126, No. 1-2, Year 2008
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Description
In this study functional characteristics of 23 representative Lactobacillus strains isolated from the Maasai traditional fermented milk 'Kule naoto' were determined. The Lb. acidophilus group strains showed resistance to gastric juice and bile. In addition, some Lb. acidophilus strains expressed bile salt hydrolase activity, and had ability to assimilate cholesterol in vitro. In-vitro adhesion to HT29 MTX cells of up to 70% was recorded. Lb. fermentum strains showed almost 100% survival under simulated stomach acidic conditions and physiological salt concentrations of bile salts, hydrophobicity values were over 80%. Most strains of the Lb. casei and Lb. acidophilus groups showed aggregation abilities of above 50%. Many strains expressed a protective effect against N-methyl-N′-nitro-N-nitrosoguanidine induced DNA damage according to the 'comet assay' and none was virulent. The antibiotic minimum inhibitory concentration of selected strains was established. According to these results, the Lactobacillus spp associated with 'Kule naoto', contain potentially probiotic (functional) strains. © 2008 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Mathara, Julius Maina
Kenya, Nairobi
Jomo Kenyatta University of Agriculture and Technology
Schillinger, Ulrich
Germany, Karlsruhe
Max Rubner-institut, Germany
Guigas, Claudia
Germany, Karlsruhe
Max Rubner-institut, Germany
Franz, Charles M.A.P.
Germany, Karlsruhe
Max Rubner-institut, Germany
Kutima, Phillip Museve
Kenya, Nairobi
Jomo Kenyatta University of Agriculture and Technology
Mbugua, Samuel Kuria
Kenya, Nairobi
University of Nairobi
Shin, Hyeunkil
South Korea, Pohang
Handong Global University
Holzapfel, Wilhelm Heinrich
Germany, Karlsruhe
Max Rubner-institut, Germany
Statistics
Citations: 177
Authors: 8
Affiliations: 4
Identifiers
Doi:
10.1016/j.ijfoodmicro.2008.04.027
ISSN:
01681605
Research Areas
Genetics And Genomics
Study Locations
Kenya