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Author:Martinez, J.R.

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14 matching references were found.

Stashenko, E.E.; Martinez, C.R.; Martinez, J.R.; Shibamoto, T., Catalytic transformation of anise (Pimpinella anisum L.) oil over zeolite Y, J. Hi. Res. Chromatogr., 1995, 18, 8, 501-503, https://doi.org/10.1002/jhrc.1240180810 . [all data]

Stashenko, E.; Wiame, H.; Dassy, S.; Martinez, J.R.; Shibamoto, T., Catalytic transformation of copaiba (Copaifera officinalis) oil over zeolite ZSM-5, J. Hi. Res. Chromatogr., 1995, 18, 1, 54-58, https://doi.org/10.1002/jhrc.1240180112 . [all data]

Stashenko, E.E.; Ferreira, M.C.; Gonzalo Sequeda, L.; Martinez, J.R.; Wong, J.W., Comparison of extraction methods and detection systems in the gas chromatographic analysis of volatile carbonyl compounds, J. Chromatogr. A, 1997, 779, 1-2, 360-369, https://doi.org/10.1016/S0021-9673(97)00446-9 . [all data]

Stashenko, E.E.; Prada, N.Q.; Martínez, J.R., HRGC/FID/NP and HRGC/MSD study of Colombian Ylang-Ylang (Cananga odorata) oils obtained by different extraction techniques, J. Hi. Res. Chromatogr., 1996, 19, 6, 353-358, https://doi.org/10.1002/jhrc.1240190609 . [all data]

Stashenko, E.E.; Cervantes, M.; Combariza, Y.; Fuentes, H.; Martínez, J.R., HRGC/FID and HRGC/MSD analysis of the secondary metabolites obtained by different extraction methods from Lepechinia schiedeana, an in vitro evaluation of its antioxidant activity, J. Hi. Res. Chromatogr., 1999, 22, 6, 343-349, https://doi.org/10.1002/(SICI)1521-4168(19990601)22:6<343::AID-JHRC343>3.0.CO;2-J . [all data]

Tirado, C.B.; Stashenko, E.E.; Combariza, M.Y.; Martinez, J.R., Comparative study of Colombian citrus oils by high-resolution gas chromatography and gas chromatography-mass spectrometry, J. Chromatogr. A, 1995, 697, 1-2, 501-513, https://doi.org/10.1016/0021-9673(94)00955-9 . [all data]

Guilliard, M.; Delgado, W.; Martínez, J.R.; Stashenko, E., Determination of the enantiomeric purity of carvone, main component of Colombian Lippia alba (Mill) oil by means of bidimensional gas chromatography (23rd International Symposium on Capillary Chromatography), 2001, retrieved from http://www.richrom.com/assets/CD23PDF/i01.pdf. [all data]

Stashenko, E.E.; Wong, J.W.; Martínez, J.R.; Mateus, A.; Shibamoto, T., High-resolution gas chromatography with nitrogen-phosphorous detection of saturated volatile aldehydes derivatized with 2-hydrazinobenzothiazole, J. Chromatogr. A, 1996, 752, 1-2, 209-216, https://doi.org/10.1016/S0021-9673(96)00494-3 . [all data]

Stashenko, E.E.; Jaramillo, B.E.; Martínez, J.R., Comparison of different extraction methods for the analysis of volatile secondary metabolites of Lippia alba (Mill.) N.E. Brown, grown in Colombia, and evaluation of its in vitro antioxidant activity, J. Chromatogr. A, 2004, 1025, 1, 93-103, https://doi.org/10.1016/j.chroma.2003.10.058 . [all data]

Stashenko, E.E.; Jaramillo, B.E.; Martínez, J.R., Analysis of volatile secondary metabolites from Colombian Xylopia aromatica (Lamarck) by different extraction and headspace methods and gas chromatography, J. Chromatogr. A, 2004, 1025, 1, 105-113, https://doi.org/10.1016/j.chroma.2003.10.059 . [all data]

Stashenko, E.E.; Jaramillo, B.E.; Martínez, J.R., Comparación de la composición química y de la actividad antioxidante in vitro de los metabolitos secundarios volátiles de plantas de la familia verbenaceae, Rev. Acad. Colomb. Cienc. Exactas Fis. Nat., 2003, 27, 105, 579-597. [all data]

Stashenko, E.E.; Jaramillo, B.E.; Martínez, J.R., HRGC/FID/MSD Analysis of Secondary Metabolites Isolated from Xilopia aromatica by Different Extraction Techniques in 25th International Symposium on Capillary Chromatography, 2002, 1-5. [all data]

Stashenko, E.E.; Cervantes, M.; Combariza, Y.; Martínez, J.R., HRGC-FID-MSD Analysis of the Secondary Metabolites Obtained by Different Extraction Methods from Lepechinia schiedeana, and Evaluation of its Antioxidant Activity in vitro in 20th International Symposium on Capillary Chromatography, 1998, 1-11. [all data]

Mesa-Arango, A.C.; Betancur-Galvis, L.; Montiel, J.; Bueno, J.G.; Baena, A.; Duran, D.C.; Martinez, J.R.; Stashenko, E.E., Antifungal activity and chemical composition of the essential oils of Lippia alba (Miller) N.E. Brown grown in different regions of Colombia, J. Essential Oil Res., 2010, 22, 6, 568-574, https://doi.org/10.1080/10412905.2010.9700402 . [all data]