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15 matching references were found.

Viloria, E.; Rojas, L.; Usubillaga, A., Analysis of kaurenic acids methyl esters by gas chromatography, J. Hi. Res. Chromatogr., 1997, 20, 1, 50-51, https://doi.org/10.1002/jhrc.1240200111 . [all data]

Velásquez, J.; Toro, M.E.; Encinas, O.; Rojas, L.; Usubillaga, A., Chemical composition of the essential oils of exudates from Pinus oocarpa Schiede, Flavour Fragr. J., 2000, 15, 6, 432-433, https://doi.org/10.1002/1099-1026(200011/12)15:6<432::AID-FFJ934>3.0.CO;2-9 . [all data]

Acosta, M.; González, M.; Araque, M.; Velazco, E.; Khouri, N.; Rojas, L.; Usubillaga, A., Composición química de los aceites esenciales de Ocimum basilicum L. var basilicum, O. basilicum L. var purpurenscens, O. gratissimum L., y O. tenuiflorum L., y su efecto antimicrobiano sobre bacterias multirresistentes de origen nosocomial, Rev. Fac. Farm., 2003, 45, 1, 19-24. [all data]

Khouri, N.; Usubillaga, A.; Rojas, L.B.; Galarraga, F., The essential oil of Espeletia weddellii Sch. Bip. ex Wedd., Flavour Fragr. J., 2000, 15, 4, 263-265, https://doi.org/10.1002/1099-1026(200007/08)15:4<263::AID-FFJ907>3.0.CO;2-Q . [all data]

Rojas, L.B.; Usubillaga, A., Composition of the essential oil fo Satureja brownei (SW.) Briq. from Venezuela, Flavour Fragr. J., 2000, 15, 1, 21-22, https://doi.org/10.1002/(SICI)1099-1026(200001/02)15:1<21::AID-FFJ861>3.0.CO;2-G . [all data]

Meccia, G.; Rojas, L.B.; Rosquete, C.; Feliciano, A.S., Essential oil of Croton ovalifolius Vahl from Venezuela, Flavour Fragr. J., 2000, 15, 3, 144-146, https://doi.org/10.1002/1099-1026(200005/06)15:3<144::AID-FFJ882>3.0.CO;2-C . [all data]

Usubillaga, A.; Aparicio, R.; Romero, M.; Rojas, L.B.; Khouri, N., Volatile constituents from the leaves of four Libanothamus species from the Venezuelan Andes, Flavour Fragr. J., 2001, 16, 3, 209-211, https://doi.org/10.1002/ffj.981 . [all data]

Aparicio, R.; Romero, M.; Rojas, L.B.; Khouri, N.; Usubillaga, A., Composition of the essential oil of four species of Ruilopezia from the Venezuelan Andes, Flavour Fragr. J., 2001, 16, 3, 172-174, https://doi.org/10.1002/ffj.973 . [all data]

Rojas, L.B.; Usubillaga, A.; Galarraga, F., Essential oil of Coespeletia timotensis Cuatrec, Phytochemistry, 1999, 52, 8, 1483-1484, https://doi.org/10.1016/S0031-9422(99)00346-5 . [all data]

Rojas, L.B.; Quideau, S.; Pardon, P.; Charrouf, Z., Colorimetric Evaluation of Phenolic Content and GC-MS Characterization of Phenolic Composition of Alimentary and Cosmetic Argan Oil and Press Cake, J. Agric. Food Chem., 2005, 53, 23, 9122-9127, https://doi.org/10.1021/jf051082j . [all data]

Rojas, L.B.; Usubillaga, A.; Cegarra, J.A.; Borregales, E.; Carrero, Y., Composición Química y actividad antimicótica de el aceite Esenchial ede la Lepechinia schiedeane (Schlecht) vatke, Rev. Fac. Farm., 2004, 46, 1, 27-30. [all data]

Borges, R.; Rojas, L.B.; Cegarra, J.A.; Usubillaga, A., Study of the essential oils from the leaves and flowers of Lepechinia conferta (Benth) Epl., Flavour Fragr. J., 2006, 21, 1, 155-157, https://doi.org/10.1002/ffj.1550 . [all data]

Meccia, G.; Rojas, L.B.; Velasco, J.; Diaz, T.; Usubillaga, A., Composition and antibacterial screening of the essential oils of leaves and roots of Espeletiopsis angustifolia Cuetrec, Natural Product Communications, 2007, 2, 12, 1221-1224. [all data]

Rojas, J.; Velasco, J.; Rojas, L.B.; Carmona, J.; Morales, A., Chemical composition and antimicrobial activity of the essential oil of Baacharis latifolia Pers. and B. prunifolia H.B.K. (Asteraceae), Natural Product Communications, 2007, 2, 12, 1245-1248. [all data]

Araque, M.; Rojas, L.B.; Usubillaga, A., Antibacterial activity of essential oil of Foeniculum vulgare miller againts multiresistant gram-negative bacilli from nosocomial infections, Ciencia, 2007, 15, 3, 366-370. [all data]