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Biomedical subjects

P Coulanges

Publications and source records attributed to P Coulanges.

At least 91 records · Page 5Linked to original sources
PubMed1987

[Antibacterial action of essential oils extracted from Madagascar plants].

The following aromatherapy study reports the antimicrobial activity of eight Malagasy essential oils by the determination of their respective M.I.C. (Minimal Inhibitory Concentration) on enteropathogenic and spoilage bacteria strains. The aromatic plants used were taken from the Labiatae family (Thymus vulgaris, Ocimum gratissimum), the Myrtaceae family (Eugenia caryophyllata, Melaleuca viridiflora) and the Compositae (Helichrysum lavanduloides, H. bracteiferum, H. gymnocephalum, Psiadia altissima). Their inhibitory effect were tested on eight referied strains commonly used for antibiotic measurements and also on twelve others enteropathogenic bacteria strains. The results showed that three oils from Thymus vulgaris, Ocimum gratissimum and Eugenia caryophyllata were particularly efficient with a large spectra action. We noticed that the essential oil of Melaleuca viridiflora had also a high inhibitory effect especially on Gram positive bacteria.

Bacteria↗
PubMed1986

[Viral etiology of diarrheal diseases in Madagascan children].

Our study included a total of 318 diarrheic stools and 52 normal stools collected from out-patients with acute diarrhea at welfare Center and children admitted at Antananarivo City children's Hospital, or control free of infectious disease during 8 months period. Enzyme linked immunosorbant assay and tissue cultures revealed the presence of 152 viral particles (47%) from children with diarrhea and 29 viral particles (55%) from control children. Positive cases were distributed according age, sex, and season factors. The highest infection rate was found in 25-36 months old of the children with diarrhea (72%). The two sexes were equally infected. Enteroviruses were isolated from diarrheic stools with a high frequency (43%) during the rainy and warm season while Rotaviruses were the prevailing agent during the dry and cool season, and Adenoviruses came in second place (19%). In view of our results, the etiological role of these viruses in diarrhea is discussed.

Adenoviridae↗