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      Physicochemical properties of extruded ready-to-eat snack from unripe plantain blends, pineapple by-products and stevia Translated title: Propiedades fisicoquímicas de bocadillos extrudidos listos-para-comer de mezclas de plátano verde, subproductos de piña y stevia

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          Abstract

          Abstract The aim of this research was to evaluate the effect of extrusion temperature (ET 120 - 180 °C), feed moisture content (FMC 16 - 25 g/100 g), pineapple by-products proportion (PBP) (0 - 30 g/100 g) in the unripe plantain flour, and the stevia content (STC 0 - 5 g/100 g) on the physicochemical properties and sensory acceptance of ready-to-eat extruded snacks, through a central compound design, using a single-screw extruder with a compression screw ratio of 3:1. The results were analyzed by response surface. The increase in FMC, PBP and STC decreased (p < 0.05) the expansion index (EI). The increase in ET decreased (p < 0.05) the apparent density (AD), water absorption index (WAI), water solubility index (WSI) and total color difference (ΔE). The increase in FMC decreases EI, WAI, and increase AD and WSI (p < 0.05). The Increase in PBP decreased EI, WSI, and increase AD, hardness (H) and ΔE (p < 0.05). The increase in STC decreased (p < 0.05) EI, and increase AD and H. The treatments with greater general acceptability were those that contained 15 and 30 g/100 g of PBP and STC 2.5 g/100 g, and they were obtained at ET 150ºC and 20.5 g/100 g of FMC, without affecting the physicochemical properties.

          Translated abstract

          Resumen El objetivo de esta investigación fue evaluar el efecto de la temperatura de extrusión (TE 120 - 180 °C), contenido de humedad de alimentación (CHA 16 - 25 g/100 g), proporción de subproductos de piña (PSP 0 - 30 g/100 g) en la harina de plátano verde y el contenido de stevia (CST 0 - 5 g/100 g) sobre las propiedades fisicoquímicas y aceptación sensorial de los bocadillos extrudidos listos para comer, atreves de un diseño de experimentos central compuesto, utilizando una extrusor de un solo tornillo con una relación de tornillo de compresión de 3:1. Los resultados se analizaron por superficie de respuesta. El aumento en CHA, PSP y CST disminuyó (p < 0.05) el índice de expansión (IE). El aumento en TE disminuyó (p < 0.05) la densidad aparente (DA), el índice de absorción de agua (IAA), el índice de solubilidad en agua (ISA) y la diferencia total de color (ΔE). El aumento en CHA disminuyó IE, IAA, y aumentó DA, ISA (p < 0.05). El aumento en PSP disminuyó IE, ISA, y aumentó DA, dureza (D) y ΔE (p < 0.05). El aumento en CSC disminuyó (p < 0.05) IE y aumentó DA y D. Los tratamientos con mayor aceptabilidad general fueron aquellos que contenían 15 y 30 g/100 g de PSP y CST = 2.5 g/100 g, los cuales fueron obtenidos a TE 150 ºC y 20.5 g/100 g de CHA, sin afectar las propiedades fisicoquímicas.

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          Most cited references52

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          Effects of stevia, aspartame, and sucrose on food intake, satiety, and postprandial glucose and insulin levels.

          Consumption of sugar-sweetened beverages may be one of the dietary causes of metabolic disorders, such as obesity. Therefore, substituting sugar with low calorie sweeteners may be an efficacious weight management strategy. We tested the effect of preloads containing stevia, aspartame, or sucrose on food intake, satiety, and postprandial glucose and insulin levels. 19 healthy lean (BMI=20.0-24.9) and 12 obese (BMI=30.0-39.9) individuals 18-50 years old completed three separate food test days during which they received preloads containing stevia (290kcal), aspartame (290kcal), or sucrose (493kcal) before the lunch and dinner meal. The preload order was balanced, and food intake (kcal) was directly calculated. Hunger and satiety levels were reported before and after meals, and every hour throughout the afternoon. Participants provided blood samples immediately before and 20min after the lunch preload. Despite the caloric difference in preloads (290kcal vs. 493kcal), participants did not compensate by eating more at their lunch and dinner meals when they consumed stevia and aspartame versus sucrose in preloads (mean differences in food intake over entire day between sucrose and stevia=301kcal, p<.01; aspartame=330kcal, p<.01). Self-reported hunger and satiety levels did not differ by condition. Stevia preloads significantly reduced postprandial glucose levels compared to sucrose preloads (p<.01), and postprandial insulin levels compared to both aspartame and sucrose preloads (p<.05). When consuming stevia and aspartame preloads, participants did not compensate by eating more at either their lunch or dinner meal and reported similar levels of satiety compared to when they consumed the higher calorie sucrose preload. Published by Elsevier Ltd.
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            Chemical, technological and in vitro antioxidant properties of mango, guava, pineapple and passion fruit dietary fibre concentrate.

            The aim of this work was to determine the chemical, technological and in vitro antioxidant properties of co-products from the industrialisation of some tropical exotic fruits, such as mango, pineapple, guava and passion fruit, and to evaluate their potential use as dietary fibre sources for food enrichment. Proximate compositions were determined, as well as the total, insoluble and soluble fibre contents. The water holding, oil holding and swelling capacities were also determined. For the antioxidant activity, three different test systems were used (ABTS, DPPH and FRAP). The dietary fibre content of the co-products varied in a range between 69.1 and 81.5g/100g on a dry matter basis with a good balanced ratio between insoluble dietary fibre and soluble dietary fibre. Phenol recovery was dependent on the fruit type and the solvent system used. Methanol:acetone was a more efficient solvent for extracting phenols than ethanol. There was a good correlation between total phenol content and antioxidant capacity of the fruit extracts. All samples analysed had good antioxidant capacity. The results of this study indicate that exotic fruit fibres obtained as co-products in the process to obtain juice may be considered a good source of natural compounds with significant antioxidant activity.
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              Evaluation of rice flour modified by extrusion cooking

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                Author and article information

                Journal
                ns
                Nova scientia
                Nova scientia
                Universidad de La Salle Bajío A. C., Coordinación de Investigación (León, Guanajuato, Mexico )
                2007-0705
                2021
                : 13
                : 27
                : 00004
                Affiliations
                [1] San Juan Bautista Tuxtepec Oaxaca orgnameTecnológico Nacional de México orgdiv1Instituto Tecnológico de Tuxtepec México
                [3] Orizaba Veracruz orgnameTecnológico Nacional de México orgdiv1Instituto Tecnológico Superior de Zongolica México
                [2] Loma Bonita Oaxaca orgnameUniversidad del Papaloapan orgdiv1Instituto de Agroingeniería Mexico
                Article
                S2007-07052021000200104 S2007-0705(21)01302700104
                10.21640/ns.v13i27.2842
                470bbe13-22bc-465f-ad31-478e7a9fb1f6

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

                History
                : 11 March 2021
                : 30 August 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 52, Pages: 0
                Product

                SciELO Mexico

                Categories
                Natural sciences and engineering

                Musa paradisiaca,expansion index,extrusion,snack,Ananas comosus,textura,subproductos,stevia,propiedades funcionales,plátano verde,bocadillo,extrusión,índice de expansión,functional properties,unripe banana,texture,by-products

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