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Título: | Online RPLC-GC via TOTAD method to isolate (+)-methyl epijasmonate from lemon (Citrus limon Burm.) |
Autor: | Caja, Maria del Mar; Blanch, Gracia Patricia CSIC ORCID ; Ruiz del Castillo, M. Luisa CSIC ORCID | Fecha de publicación: | 2008 | Editor: | American Chemical Society | Citación: | Journal of Agricultural and Food Chemistry 56(14): 5475- 5479 (2008) | Resumen: | Pure (+)-methyl epijasmonate was isolated from lemon (Citrus limon Burm.) for the first time. To that aim, two commercial essential oils and one homemade extract were included in the present paper. First, a study on the appropriate chromatographic conditions to avoid the epimerization from methyl epijasmonate to the more stable methyl jasmonate was accomplished. The results obtained are discussed. The presence of (+)-methyl epijasmonate in the three samples studied was initially established through the direct injection into GC-MS. However, the overlapping of (+)-methyl epijasmonate with other matrix components made it necessary to employ a multidimensional technique. RPLC-GC analysis via through-oven transfer adsorption−desorption (TOTAD) provided the selectivity and sensitivity required, reflecting that the homemade lemon extract was an adequate natural source to obtain pure (+)-methyl epijasmonate by means of the collection of the corresponding RPLC fraction. | Versión del editor: | https://doi.org/10.1021/jf800425p | URI: | http://hdl.handle.net/10261/243379 | DOI: | 10.1021/jf800425p | ISSN: | 0021-8561 |
Aparece en las colecciones: | (IFI) Artículos |
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