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Abstract:

From the sterol fraction of seed oil from commercial Cucurbita moschata Dutch ('calabacita') Δ5 and Δ7 sterols having saturated and unsaturated side chain were isolated by chromatographic procedures and characterized by spectroscopic (1H and 13C-nuclear magnetic resonance, mass spectrometry) methods. The main components were identified as 24S-ethyl 5α-cholesta- 7,22E-dien-3β-ol (α-spinasterol); 24S-ethyl 5α-cholesta-7,22E,25-trien- 3β-ol (25-dehydrochondrillasterol); 24S-ethyl 5α-cholesta-7,25-dien-3β- ol; 24R-ethyl-cholesta-7-en-3β-ol (Δ7-stigmastenol) and 24-ethyl-cholesta- 7,24(28) dien-3β-ol (Δ(7,24(28))-stigmastadienol).

Registro:

Documento: Artículo
Título:The sterols of Cucurbita moschata ('calabacita') seed oil
Autor:Rodriguez, J.B.; Gros, E.G.; Bertoni, M.H.; Cattaneo, P.
Filiación:Depto. de Quim. Orgánica, Fac. de Ciencias Exactas y Naturales, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Depto. de Quim. Orgánica, Universidad de Buenos Aires, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Palabras clave:sterol; vegetable oil; article; gas chromatography; lipid analysis; mass spectrometry; nuclear magnetic resonance; plant seed; Chromatography, High Pressure Liquid; Gas Chromatography-Mass Spectrometry; Magnetic Resonance Spectroscopy; Mass Spectrometry; Molecular Structure; Plant Oils; Seeds; Stereoisomerism; Sterols; Cucurbita moschata
Año:1996
Volumen:31
Número:11
Página de inicio:1205
Página de fin:1208
DOI: http://dx.doi.org/10.1007/BF02524296
Título revista:Lipids
Título revista abreviado:LIPIDS
ISSN:00244201
CODEN:LPDSA
CAS:Plant Oils; Sterols
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00244201_v31_n11_p1205_Rodriguez

Referencias:

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  • Bertoni, M.H., Pereyra Gonzalez, A., Cattaneo, P., Estudio sobre frutos de Cucurbita moschata Dutch ("calabacita"). II. Aceite crudo de extractión de semillas. Características y compositión acídica (1994) An. Asoc. Quim. Arg., 82, pp. 131-133
  • Bertoni, M.H., Pereyra Gonzalez, A., Cattaneo, P., Estudio sobre frutos de Cucurbita moschata Dutch ("calabacita"). III. Compositión química de la harina de extractión. Obtentión del aislado proteico y su compositión (1994) An. Asoc. Quim. Arg., 82, pp. 135-138
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  • Matsumoto, T., Shigemoto, T., Itoh, T., Occurrence of 24-Ethyl-Δ5-and 24-Ethyl-Δ7-Sterols as C-24 Epimeric Mixtures in Seeds of Cucumis sativus (1983) Phytochemistry, 22, pp. 2622-2624
  • Itoh, T., Kikuchi, Y., Tamura, T., Matsumoto, T., Cooccurrence of Chondrillasterol and Spinasterol in Two Cucurbitaceae Seeds as Shown by 13C-NMR (1981) Phytochemistry, 20, pp. 761-764
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Citas:

---------- APA ----------
Rodriguez, J.B., Gros, E.G., Bertoni, M.H. & Cattaneo, P. (1996) . The sterols of Cucurbita moschata ('calabacita') seed oil. Lipids, 31(11), 1205-1208.
http://dx.doi.org/10.1007/BF02524296
---------- CHICAGO ----------
Rodriguez, J.B., Gros, E.G., Bertoni, M.H., Cattaneo, P. "The sterols of Cucurbita moschata ('calabacita') seed oil" . Lipids 31, no. 11 (1996) : 1205-1208.
http://dx.doi.org/10.1007/BF02524296
---------- MLA ----------
Rodriguez, J.B., Gros, E.G., Bertoni, M.H., Cattaneo, P. "The sterols of Cucurbita moschata ('calabacita') seed oil" . Lipids, vol. 31, no. 11, 1996, pp. 1205-1208.
http://dx.doi.org/10.1007/BF02524296
---------- VANCOUVER ----------
Rodriguez, J.B., Gros, E.G., Bertoni, M.H., Cattaneo, P. The sterols of Cucurbita moschata ('calabacita') seed oil. LIPIDS. 1996;31(11):1205-1208.
http://dx.doi.org/10.1007/BF02524296