http://www.cnr.it/ontology/cnr/individuo/prodotto/ID15689
Essential oils of Dennettia tripetala Bak. f. Stem Bark and Leaf - Constituents and Biological Activities. (Articolo in rivista)
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- Essential oils of Dennettia tripetala Bak. f. Stem Bark and Leaf - Constituents and Biological Activities. (Articolo in rivista) (literal)
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- 2008-01-01T00:00:00+01:00 (literal)
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- Gbolade A.A.; Arcoraci T.; D'Arrigo M.; Olorunmola F.O.; Biondi D.M.; Ruberto G. (literal)
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- Department of Pharmacognosy, Faculty of Pharmacy, Olabisi Onabanjo University, Sagamu campus, Ogun State, Nigeria; Dipartimento Farmaco-Biologico, Università di Messina, Contrada Annunziata, I-98128 Messina, Italy; The Drug Research and Production Unit, Faculty of Pharmacy, Obafemi Awolowo University, Ile-Ife, Nigeria;
Istituto del C.N.R. di Chimica Biomolecolare, Via del Santuario, 110 I-95028 Valverde CT, Italy. (literal)
- Titolo
- Essential oils of Dennettia tripetala Bak. f. Stem Bark and Leaf - Constituents and Biological Activities. (literal)
- Abstract
- The essential oil from the stem bark and leaves of Dennettia tripetala Bak. f. (Annonaceae) growing wild in Ondo State, Nigeria, has been characterized by combined gas chromatography (GC) and gas chromatography-mass spectrometry (GC- MS) analyses. Overall, thirty-six components have been fully identified, thirty-two in the stem-bark oil, and only seven in the leaf oil. In both oils, 2-phenylnitroethane was the main component, ranging between 70 - 76% of the total oils. The profile of the stem bark oil was characterized by a large number of sesquiterpenes, whereas among the few components in the leaf oil, linalool reaches over 17%. When both oils were assayed for antimicrobial activity, only Staphylococcus aureus was susceptible to the stem-bark oil which was more active than leaf oil. For protective effects against UV radiation-induced peroxidation in phosphatidylcholine (PC) liposomes, stem-bark oil also showed greater effectiveness. Activity of the leaf oil against Trichomonas gallinae, was also remarkable. (literal)
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