The main aim of this study was to determine the quality of vegetable oils consumed by the population in Yaoundé. The study was carried out on 14 vegetable oils sampled following a survey. The antioxidant potentials of these oils were analyzed using the 2,2-diphenyl-1-picrylhydrazyl, FRAP total antioxidant capacity. The concentrations of some heavy metals (Pb, Cu, and Fe) were determined using flame atomic absorption spectrometry after acid digestion. The acid and peroxide values were assessed using methods described by the Cameroonian standard on vegetable oils. The sample included 8 brands of which, 5 of refined palm oil, 4 of soybean oil, 1 brand of cottonseed oil, sunflower oil, and cold extracted olive oil, red palm oil bleached palm oil each. The antioxidant activity showed a good correlation, with red palm oil having the greatest antioxidant potential and bleached palm oil having the least antioxidant potential. The Pb, Cu, and Fe contents had the following conformities: 71.4%, 100% respectively. For the acid and peroxide values, we found 50% and 21.4%, respectively. Six of the fourteen (42.9%) analyzed oils contained less than 33 IU/g vitamin A. These results highlight the poor quality of the oils consumed in Yaoundé.

Introduction: A cross sectional study was carry out on the necessity of creating a poison control center in Cameroon, by evaluating the knowledge and perception of health care professionals in the Laquintinie hospital and the Bonassama District hospital in Douala, based on a 2 years (2014 to 2015) record files reviewed of poison victims.

Enterobacteriaceae are the most common causes of community-acquired and nosocomial infections. They are usually treated with beta-lactam antibiotics, i.e., penicillins, broad-spectrum cephalosporins, and carbapenems (Imipenem, meropenem, ertapenem). In order to evaluate the resistance profile of Escherichia coli (E. coli) to beta-lactam antibiotics, a 3-year retrospective study was carried out in the medical biology laboratory of the Laquintinie Hospital in Douala. The aim was to compare the behavior of Escherichia coli bacteria to penicillins, carbapenems, and cephalosporins. In order to achieve this objective, we used the results obtained from E. coli strains isolated from urine, cervico-vaginal fluid, puncture fluid, pleural fluid and pus samples. Identification was confirmed using the API 20 E Enterobacteriaceae system of biochemical testing and the VITEK 2 system. The VITEK 2 system was used to perform the antibiogram. Statistical analyses obtained from GraphPad Prim V 5.0 software allowed us to perform tests such as ANOVA, Kruskal-Wallis test, and Spearman correlations. Preliminary results show that E. coli bacteria are highly resistant to penicillins and significantly susceptible to cephalosporins of all generations if they are not ESBL (extended-spectrum beta-lactamases). Data on carbapenem behavior show less resistance and moderate susceptibility.

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