@article{fdi:010081606,
  title = {{P}revalence and fate of {B}acillus cereus in african traditional cereal-based foods used as infant foods},
  author = {{H}umblot, {C}hrist{\`e}le and {P}erez-{P}ulido, {R}. and {A}kaki, {D}. and {L}oiseau, {G}. and {G}uyot, {J}ean-{P}ierre},
  editor = {},
  language = {{ENG}},
  abstract = {{T}he objective of the present work was to estimate the prevalence of {B}acillus cereus group species in traditional cereal-based lactic acid fermented slurries and nonfermented flours used to prepare infant foods in an {A}frican context. {H}igh counts on mannitol-egg yolk-polymixin agar medium were determined for the fermented slurries (median, 4.5 x 10(4) {CFU}/ml of slurry) compared with the nonfermented flours, most of whose counts were lower than 10(-1) {CFU}/g. {V}irulence genes were characterized in 60 isolates from 26 traditional cereal-based foods in {O}uagadougou ({B}urkina {F}aso). {S}eventy-two and 38% of isolates were positive for the complete set of genes coding for hemolysin {BL} and nonhemolytic enterotoxin, respectively, suggesting a high enterotoxigenic potential for these foodborne isolates. {N}o potentially emetic toxin producing strains were detected. {B}ecause of the high counts found for fermented slurries, survival tests with vegetative cells inoculated in fermented slurries were performed, which showed that growth of {B}. cereus was inhibited. {T}his result suggests that fermentation in traditional production units is presumably not adequately controlled, enabling growth during any unit operations before fermentation, or even during the fermentation step, when the process was poorly controlled. {H}owever, adding nisin (0.1 mg/ml) enabled a 5-log reduction in the {B}. cereus population in 5 h, suggesting that the use of nisin could be a way to upgrade the hygienic quality of this type of food.},
  keywords = {},
  booktitle = {},
  journal = {{J}ournal of {F}ood {P}rotection},
  volume = {75},
  numero = {9},
  pages = {1642--1645},
  ISSN = {0362-028{X}},
  year = {2012},
  DOI = {10.4315/0362-028x.jfp-11-450},
  URL = {https://www.documentation.ird.fr/hor/fdi:010081606},
}