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Revista U.D.C.A Actualidad & Divulgación Científica
Print version ISSN 0123-4226
Abstract
HOYOS-YELA, Nelsy; PEREZ-IMBACHI, Rocío; MOSQUERA-SANCHEZ, Silvio Andrés and PAZ-PENA, Sandra Patricia. Effect of the application of an acid-modified cassava starch coating on the long-life tomato. rev.udcaactual.divulg.cient. [online]. 2019, vol.22, n.2, e1388. Epub Dec 31, 2019. ISSN 0123-4226. https://doi.org/10.31910/rudca.v22.n2.2019.1388.
The aim was to minimize the effect of environmental factors on postharvest of tomato quality by applying a coating made with cassava starch modified by acid route. The modification of the original structure of a suspension of native starch of cassava variety SM 707-17, was carried out by addition of citric acid in concentration of 15% w/w with respect to the starch in dry base, under controlled temperature and speed of controlled agitation. The effect of this coating was compared with the effect of the application of others made on the basis of enzymatically modified starch and native starch. The variables total soluble solids, firmness, pH, titrable acidity, respiration rate, weight loss and color for 15 days were measured, applying a completely randomized 4x6 factorial design. The results were analyzed using SPSS software version 19, which found that the "Coating" factor did not influence the response variables analyzed, unlike the "Time" factor that had a decisive effect on them.
Keywords : Solanum lycopersicum, Manihot esculenta Crantz: Postharvest; Cladding.