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ABSTRACTAnalytical investigation of a concrete of Jasminum azoricumL. by GC and GC/MS allowed us to identify about 40 constituents. The major components were (E,E)-farnesol (30.1%) and geranyl linalool (21.7%). The composition of the concrete is compared with a laboratory prepared concrete of Jasminum sambac(L.) Soland.

ABSTRACTThe secretory elements of the essential oil from Coleus aromaticusfrom Martinique were observed under the scanning electron microscope. The composition of the oil was analyzed and found to consist mainly of phenoh'c components, with carvacrol (72%) being the major compound. Five compounds were identified for the first time in the oil of C. aromaticus.They were (Z)-1,3-hexadiene (0.1%), (Z)-3-hexenol (0.6%), (E,Z)-α-farnesene (0.2%), (E.E)-α-farnesene (0.2%) and α-muurolene (0.2%). The biostatic activity of the leaf oil was tested on six bacterial and six fungal strains. It was found to have activity against Vibrio cholerawith a MIC of 0.125 mg/mL.