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      Polyvinyl acetate as an edible coating for fruits: Effect on selected physiological and quality characteristics of tomato Translated title: Acetato de polivinilo como recubrimiento comestible para frutas: Efecto en características fisiológicas y de calidad en tomate

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          Abstract

          The application of polyvinyl acetate (PVA) was assessed as a potential protective edible coating in round-type tomato fruit (Lycopersicum esculentum Mill, cv. Gabriela) at the green stage of maturity. Coated and uncoated fruits were stored at ambient (20 °C, 40 % relative humidity, RH) and controlled (21 °C, 60 % RH) conditions during seven and 14 days and the effects on color, luminosity, weight loss, firmness, °Brix, vitamin C and respiration rate were studied. The polymeric coating did not significantly affect brightness, weight loss, and RR; however, environmental conditions at which the fruits were maintained had significant effects. Despite the statistically non-significant effects, our results showed that PVA coating was associated with slight protection of the fruit compared to uncoated fruits. This outcome is encouraging but suggests that more research is needed to consider these facts and control others that might be important in fruit ripening, such as molecular weight of the PVA, uniformity and thickness of PVA application.

          Translated abstract

          El acetato de polivinilo (PVA) fue estudiado como recubrimiento comestible protector y de alto brillo en tomate bola (Lycopersicum esculentum Mill, cv. Gabriela) en la etapa no madura del fruto. Los frutos cubiertos y no cubiertos se almacenaron en condiciones ambientales (20 °C, 40 % de humedad relativa RH) y en condiciones controladas (21 °C, 60 % RH) durante siete y 14 días y fueron estudiados los efectos en brillo, pérdida de peso, firmeza, °Brix, vitamina C y tasa de respiración. La cubierta polimérica no produjo un efecto significativo, sin embargo, las condiciones ambientales en las cuales se mantuvieron los frutos sí afectaron significativamente la respuesta de los tomates. A pesar de la no significancia estadística, nuestros resultados revelan que la cubierta protege levemente los frutos comparado con frutos no cubiertos. Este resultado es alentador pero indica que se requiere de mayor investigación, pues deben considerarse para estudios posteriores otros factores como el peso molecular del PVA, la uniformidad y el grosor de la cubierta aplicada.

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          Most cited references42

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          Preharvest and postharvest factors influencing vitamin C content of horticultural crops

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            Effect of O2 and CO2 partial pressure on selected phenomena affecting fruit and vegetable quality

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              Tomato Flavor and Aroma Quality as Affected by Storage Temperature

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                Author and article information

                Journal
                rcsh
                Revista Chapingo. Serie horticultura
                Rev. Chapingo Ser.Hortic
                Universidad Autónoma Chapingo (Chapingo, Estado de México, Mexico )
                1027-152X
                2007-4034
                April 2011
                : 17
                : 1
                : 15-22
                Affiliations
                [01] Saltillo Coah. orgnameCentro de Investigación en Química Aplicada México rene@ 123456ciqa.mx
                Article
                S1027-152X2011000100004 S1027-152X(11)01700100004
                dd999424-4335-4458-8e91-351b179c5b5d

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

                History
                : 25 April 2008
                : 18 February 2011
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 28, Pages: 8
                Product

                SciELO Mexico


                edible films,vida de anaquel,acetato de polivinilo,shelf life,Lycopersicum esculentum,polyvinyl acetate,cubiertas plásticas comestibles,tomato

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