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      Formulación y caracterización de bebidas nutricionales con base a zapallo y lactosuero, enriquecidas con avena y maracuyá Translated title: Formulation and characterization of a nutritional pumpkin-based whey beverages, enriched with oatmeal and passion fruit

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          Abstract

          Resumen: En este trabajo se determinó el efecto de la incorporación de avena (Avena sativa) y maracuyá (Passiflora edulis) en el contenido en fibra, calcio, hierro, fósforo y vitamina A en bebidas formuladas a base de zapallo (Cucurbita máxima), leche y suero. Las bebidas sufrieron cambios significativos durante el tiempo de almacenamiento, el pH disminuyó mientras que la acidez mostró un ligero incremento. Las coordenadas de CIELAB (L*, a* y b*) se ubicaron en el cuadrante 1 que indican una clara tendencia al color amarillo producto de la presencia de carotenoides provenientes del zapallo y la maracuyá. En base al análisis sensorial se seleccionó el mejor tratamiento, aquel que fue superior en 3 de los 4 parámetros evaluados. Esta bebida presentó además un comportamiento de fluido pseudoplástico con un índice de consistencia de 3,57 Pa.s0.24 y con un tiempo de vida útil de 9 días.

          Translated abstract

          Abstract: In this work, the effect on the addition of oatmeal (Avena sativa) and passion fruit (Passiflora edulis) in the content of fiber, calcium, iron, phosphorus and A vitamin in beverage formulation based on pumpkin (Cucurbita maxima), milk and whey, was determined. The beverages undergone significant changes during the storage time, the pH decreased as the acidity showed a slight increase. The coordinates of CIELAB (L *, a * and b *) were located in quadrant 1 indicating a clear tendency to yellow caused by the presence of carotenoids from the pumpkin and passion fruit. Based on the sensory analysis it was selected best treatment who was higher in 3 of the 4 parameters evaluated. This sample also presented a pseudoplastic behavior with a consistency index of 3.57 Pa.s0.24 and a shelf life of 9 days.

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          Influence of hydrocolloids on dough rheology and bread quality

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            Identification and quantification of carotenoids, by HPLC-PDA-MS/MS, from Amazonian fruits.

            The major and minor carotenoids from six fruits, buriti (Mauritia vinifera), mamey (Mammea americana), marimari (Geoffrola striata), peach palm (Bactrys gasipaes), physalis (Physalis angulata), and tucuma (Astrocaryum aculeatum), all native to the Amazonia region, were determined by high-performance liquid chromatography-photodiode array detector-mass spectrometry detector (HPLC-PDA-MS/MS), fulfilling the recommended criteria for identification. A total of 60 different carotenoids were separated on a C30 column, all-trans-beta-carotene being the major carotenoid found in all fruits. The presence of apo-10'-beta-carotenol, found in mamey, was not previously reported in foods. In addition, this is the first time that the identification of beta-zeacarotene in natural sources is supported by MS data. The total carotenoid content ranged from 38 microg/g in marimari to 514 microg/g in buriti. All fruits analyzed can be considered good sources of provitamin A, especially buriti, with 7280 RE/100 g.
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              Freeze–thaw stabilization of sweet potato starch gel by polysaccharide gums

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                enfoqueute
                Enfoque UTE
                Enfoque UTE
                Universidad Tecnológica Equinoccial (Quito, Pichincha, Ecuador )
                1390-9363
                1390-6542
                December 2015
                : 6
                : 4
                : 55-66
                Affiliations
                Article
                S1390-65422015000400055
                10.29019/enfoqueute.v6n4.78
                0a38f64d-6d1d-4e15-949b-77f3d30e9553

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

                History
                : 02 November 2015
                : 07 December 2015
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 19, Pages: 12
                Product

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                beverages,pumpkin,oatmeal,passion fruit,milk,whey.,bebidas,zapallo,avena,maracuyá,leche,suero.

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