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      Scales removal to improve the appearance and quality of onion Translated title: Remoción de capas para mejorar la apariencia y calidad de la cebolla

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          Abstract

          Abstract Removal of scales in onion is a common practice in markets to improve product appearance and quality during marketing. The objective of this study was to evaluate the effect of scales removal (C0=without removal, C1=without one scale and C2=without two scales) on physical-chemical quality of onion exposed to environmental conditions for periods of 0, 10, 20 and 30 days. Twelve treatments were evaluated in a completely randomized design. Results showed that dry matter, firmness and color saturation (C*) are not affected by the interaction of exposure time and removal scales. Variables hue angle, luminosity (L*), soluble solids, titratable acidity and pH, showed significant variation with the interaction of exposure time and scales removal level. Variation levels of treatments did not show a defined pattern with the exception of onion color tonality (hue). The hue value increased in the treatments with a higher scales removal, manifesting shades towards green color with the elimination of two scales.

          Translated abstract

          Resumen La remoción de capas en la cebolla es una práctica común en mercados para mejorar la apariencia y calidad del producto durante el mercadeo. El objetivo de la investigación fue evaluar el efecto de la remoción de capas (C0=sin remoción, C1=sin una capa y C2=sin dos capas) sobre la calidad físico-química de la cebolla expuesta a condiciones ambientales por periodos de 0, 10, 20 y 30 días. Se evaluaron 12 tratamientos en un diseño completamente al azar. Los resultados mostraron que las variables materia seca, firmeza y saturación de color (C*) no son afectadas por la interacción de la remoción de capas y tiempo de exposición. Las variables ángulo hue, luminosidad (L*), sólidos solubles, acidez titulable y pH, mostraron variación significativa con la interacción del tiempo de exposición y nivel de remoción de capas. El nivel de variación de los tratamientos no mostró un patrón definido a excepción de la tonalidad de la coloración de la cebolla (hue). El valor de hue se incrementó en los tratamientos con mayor nivel de remoción de capas, manifestándose tonalidades hacia el color verde con la eliminación de dos capas.

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          Most cited references39

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          Effects of freezing on cell structure of fresh cellular food materials: A review

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            Fructans: beneficial for plants and humans.

            The recent cloning of genes encoding fructosyltransferases and fructan exohydrolases has been a major breakthrough in fructan research. Now, fructan metabolism and fructosyltransferase enzymes can be studied at the molecular level. In addition, fructan synthesis and breakdown can be adapted in such a way that tailor-made fructans are produced in plants for use as healthy food ingredients.
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              INCREASING FOOD AVAILABILITY BY REDUCING POSTHARVEST LOSSES OF FRESH PRODUCE

              A.A. Kader (2005)
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                Author and article information

                Journal
                biotecnia
                Biotecnia
                Biotecnia
                Universidad de Sonora, División de Ciencias Biológicas y de la Salud (Hermosillo, Sonora, Mexico )
                1665-1456
                August 2022
                : 24
                : 2
                : 135-141
                Affiliations
                [1] orgnameUniversidad Autónoma de Baja California orgdiv1Instituto de Ciencias Agrícolas Mexico
                [2] orgnameUniversidad Autónoma de Baja California orgdiv1Facultad de Ingeniería y Negocios Mexico
                Article
                S1665-14562022000200135 S1665-1456(22)02400200135
                10.18633/biotecnia.v24i2.1615
                9bc9e305-8f46-4059-9c08-a35f64a452a1

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

                History
                : 01 April 2022
                : 17 November 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 39, Pages: 7
                Product

                SciELO Mexico

                Categories
                Articles

                scales removal,onion,physical-chemical quality,remoción de capas,cebolla,calidad fisico-química

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