Facultad de Ciencias Químicas y Farmacéuticas: Recent submissions
Now showing items 4301-4320 of 5085
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(ELSEVIER SCIENCE BV, 2003-11-24)The effect of the incorporation of the non-ionic surfactant sucrose palmitate in dioctadecyldimethylammonium chloride(DODAC) large unilamellar vesicles was studies by using several spectroscopic techniques. Significant ...
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(AMER CHEMICAL SOC, 2004-07-23)The efficient synthesis of tetrapeptide 5 containing, in alternation, cyclobutane and beta-alanine residues is described. NMR experiments both at low temperature in CDCl3 and at 298 K in DMSOd(6) solutions show the ...
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(KARGER, 2003-04)We studied the effect of thyrotropin-releasing hormone (TRH) applied centrally on the sympathetic activity of the ovary in female rats. Intracerebroventricular (i.c.v.) administration of a dose of 25 ng/kg weight produced ...
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(Sociedad Chilena de Química, 1998)From Trevoa trinervis Miers (Rhammnaceae), a plant used in Chilean folklore medicine, a triterpenoid called colubrinic acid, has been isolated from a pharmacological active extract. Its structure has been established by ...
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(México Federación Latinoamericana de Química, 1990)The leaves of P. glandulosa contain the active meroterpenoid bakuchiol, as well as angelicin, psoralen and a new cinnamic derivative.
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(Real Academia de Farmacia, 1990)Se realiza un estudio de tres especies de la familia Compositae, incluyendo características morfológicas y muestreo fitoquímico de cada una de ellas. El material fue recolectado en Santiago (Región Metropolitana); las ...
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(Istituto Superiore de Sanitá, 1971)(Quercetin-3-α-(2-0-β-D-glucopyranosyl)-D-glucofuraanoside, a new glycoside of Vestia lycioides). A new flavonol glycoside, the quercetin-3-α-(2-0-β-D-glucopyranosyl)-D-glucofuranoside, has been isolated from the leaves ...
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(Societá Chimica Italiana, 1971)From the stem bark of Strychnos romeu-belenii Krukoff and Barneby, a Longaniacea of South America, a new indolinic alkaloid has been isolated to which the structure of 11-,11-methoxy-diaboline(I) has been assigned on the ...
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(Real Academia de Farmacia, 1987)Se investiga en diez plantas chilenas, usadas en medicina popular, la presencia de triterpenos y/o esteroles, alcaloides, antraquinonas, flavonoides, cumarinas, compuestos fenólicos y saponinas. Se identifican β-sitosterol, ...
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(México Federación Latinoamericana de Química, 1991)The nor-triterpene Adiantone(22-oxo-21-β-H-hopane),β-sitosterol, psoralene and methyl-p-coumarate were isolated from Adiantum thalictroides var. hirsutum (Culantrillo), a fern used in folk medicine as emmenagoge and expectorant.
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(Escuela de Medicina, Facultad de Medicina, Universidad de Valparaíso, 1987)Se realizó un estudio fitomicrobiológico con extractos de Allium sativum (ajo). se identificó en el extracto el principio activo alicina. Se estudió su acción antimicótica frente a varias cepas de Aspergillus fumigatus, ...
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(Cêntre d'Etude des Plantes Médicinales, 1985)Evaluation of the humectant properties in a group of femenine volunteers was made with characterization of the gel contained in the leaves of the Aloè barbadensis Miller gel (Aloè vera Liné)
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(Cêntre d'Etude des Plantes Médicinales, 1987)Six flavonoids have been isolated from the stems, leaves and flowers of Centaurea floccosa Hook. et Arn.: hispidulin, eriodictyol, taxifolin, kaempterol, quercetin and chrysoeriol. They were identified by comparison of ...
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(Accademia Nazionale dei Lincei, 1971)From the stem bark of Strychnos Romeu Belenii Krukoff & Barneby a Loganiacea of South America, a new indolinic alkaloid has been isolated, to which the structure of II-methoxydiaboline(I) has been assigned on the basis of ...
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(Società Chimica Italiana, 1973)11-methoxydiaboline, an alkaloid previously described by us, was isolated from the root bark of Strychnos medeola, while from the stem bark of the same plant normacusine B, already known by the name of deoxysarpagine, was ...
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(Real Academia de Farmacia, 1986)Se ha determinado mediante ensayos en aurícula aislada de cobayo los efectos sobre la fuerza de contracción y frecuencia cardíaca de Senecionina, alcaloide pirrolizidínico aislado de Senecio fistulosus Poepp ex Less. (Hualtata).
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(Pergamon Press Ltd, 1993)Phytochemical study of Escallonia myrtoidea, E. illinita, E. alpina and E. pulverulenta led to the isolation of asperuloside and other C10-iridoid glycosides. From E. myrtoidea a new iridoid glycoside was isolated and ...
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(ELSEVIER SCI IRELAND LTD, 1997-07)The methanolic extract of the aerial portion of Chenopodium chilense Schrad., used in Chilean traditional medicine as a remedy for stomach-ache, has been found to exert the major spasmolytic activity in acetylcholine ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 1995-07)
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(ROYAL PHARMACEUTICAL SOC GREAT BRITAIN, 1996-09)The effects of bakuchiol, a meroterpenoid isolated from the leaves of Psoralea glandulosa L., on phospholipase A(2) (PLA(2)) activity from different sources, human neutrophil responses, zymosan air pouch and topical ...
