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      Caracterización preliminar del aceite obtenido del fruto completo de Roystonea regia (Kunth) O. F. Cook Translated title: Preliminary characterization of the oil from the whole fruit of Roystonea regia (Kunth) O. F. Cook

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          Abstract

          INTRODUCCIÓN: el aceite de la palma real cubana, Roystonea regia (Kunth) O.F. Cook, tiene perspectivas de aplicación como materia prima, en la industria farmacéutica cubana. OBJETIVOS: caracterizar el aceite de palma real cubana y estudiar su composición de ácidos grasos. MÉTODOS: se emplearon métodos oficiales descritos en la USP 27. La composición de ácidos grasos se determinó mediante cromatografía de gases. RESULTADOS: la densidad relativa estuvo entre 0,874 y 0,970 g/mL; el índice de refracción entre 1,454 y 1,463; el índice de saponificación entre 190,0 y 221,8; el índice de acidez entre 5,2 y 26,4; el índice de yodo entre 49,2 y 55,8; y el contenido de material no saponificable entre 2,0 y 13,4 %. El total de ácidos grasos en los aceites analizados varió entre 74,4 y 89,4 %. La composición de ácidos grasos, normalizada 100 %, estuvo dada por las concentraciones siguientes: C8:0 y C10:0 (0,1-0,9 %); C12:0 (17,9-27,8 %); C14:0 (9,3-12,7 %); C16:0 (9,3-15,0 %); C16:1 (0,1-0,6 %); C18:0 (2,5-3,7 %); C18:1 (27,3-37,3 %); C18:2 (12,8-17,4 %); y C18:3 (0,1-0,5 %). CONCLUSIONES: se estudiaron algunas de las características físicas y químicas del aceite obtenido de los frutos enteros de R. regia.

          Translated abstract

          INTRODUCTION: the Cuban royal palm tree oil, Roystonea regia (Kunth) O.F. Cook, has possibilities to be used as raw material in the Cuban pharmaceutical industry. OBJECTIVES: to characterize the Cuban royal palm tree oil and to study its fatty acid composition. METHODS: the official methods described in USP 27 were used and the composition of fatty acids was estimated by gas chromatography. RESULTS: relative density was 0.874 - 0.970 g/mL; refraction index 1.454 - 1.463; the saponification index ranged 190.0 to 221.8; the acidity index ranged 5.2 to 26.4; iodine index was 49.2 to 55.8; and the contents of non-saponificable material ranged 2.0 to 13.4 %. The total of fatty acids in the analyzed oils varied from 74.4 to 89.4 %. The composition of fatty acids standardized at 100 % was given by the following concentrations: C8:0 y C10:0 (0.1-0.9 %); C12:0 (17.9-27.8 %); C14:0 (9.3-12.7 %); C16:0 (9.3-15.0 %); C16:1 (0.1-0.6 %); C18:0 (2.5-3.7 %); C18:1 (27.3-37.3 %); C18:2 (12.8-17.4 %); y C18:3 (0.1-0.5 %). CONCLUSIONS: some of the physical and chemical characteristics of R. regia fruit oil were studied in this paper.

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          Effect of D-004, a Lipid Extract from the Cuban Royal Palm Fruit, on Atypical Prostate Hyperplasia Induced by Phenylephrine in Rats

          Benign prostatic hyperplasia (BPH) is a non-malignant enlargement of the prostate that results in obstructive lower urinary tract symptoms. Saw palmetto (Serenoa repens), the dwarf American palm (Arecaceae family), is commonly used to treat BPH. The Cuban royal palm (Roystonea regia) also belongs to the Arecaceae family, and 200-400mg of D-004, a lipid extract from its fruits, administered orally for 14 days has been shown to prevent testosterone- but not dihydrotestosterone-induced prostatic hyperplasia in rats. D-004 (125-250 microg/mL) added to preparations of rat vas deferens caused a marked, dose-dependent and significant inhibition of noradrenaline-induced smooth muscle contraction, a response mediated through alpha(1)-adrenoceptors, and was more effective in these respects than Saw palmetto. However, the in vivo effects of D-004 and Saw palmetto on the hypertensive response induced by noradrenaline were modest (albeit significant), and neither treatment affected resting blood pressure or heart rate in rats. The differential effects of D-004 in in vitro and in vivo models could be related to a differential affinity for adrenoceptor subtypes or to different bioavailabilities in vascular and urogenital targets. Phenylephrine injected into rodents induces prostatic hyperplasia with all the characteristic morphological changes of the condition but does not result in enlargement of the prostate. Therefore, this phenylephrine-induced change in rat prostate tissue is called atypical prostatic hyperplasia. It serves as an in vivo model of prostatic hyperplasia induced by stimulation of alpha(1)-adrenoceptors. The objective of this study was to determine whether D-004 can inhibit induction of atypical prostatic hyperplasia by phenylephrine in rats.
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            Industrialización del palmiche en Cuba

            C Ruebens (1968)
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              Method 108.003. Fatty Acid Content in Saw Palmetto by GC

              (2024)
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                Author and article information

                Journal
                pla
                Revista Cubana de Plantas Medicinales
                Rev Cubana Plant Med
                ECIMED (Ciudad de la Habana, , Cuba )
                1028-4796
                December 2008
                : 13
                : 4
                Affiliations
                [01] Ciudad de La Habana orgnameCentro de Productos Naturales del Centro Nacional de Investigaciones Científicas. Cuba eduardo.rodriguezcnic.edu.cu , eduardoarl@ 123456yahoo.com
                Article
                S1028-47962008000400006 S1028-4796(08)01300406
                66aa6fd4-88ac-45e6-96be-1bd64097c055

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 23 June 2008
                : 12 August 2008
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 12, Pages: 0
                Product

                SciELO Cuba

                Categories
                ARTÍCULOS ORIGINALES

                oil,Roystonea regia,cromatografía de gases,ácidos grasos,caracterización,aceite,gas chromatography,fatty acids,characterization

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