Microbiological effect of coating modified by acid via on the long tomato life

Keywords: Agroindustria

Abstract

A coating elaborated with modified cassava starch was applied by acid route, to evaluate the post-harvest behavior of the tomato under environmental conditions, determining its effect on the microbiological and structural characteristics. The modification of native starch of cassava variety SM 707-17 was carried out by addition of citric acid (15% w/w with respect to starch on dry basis) to a suspension of starch subjected to controlled conditions of temperature and speed of agitation. The effect was compared with that of the application of others elaborated based on enzymatically modified starch and native starch, being T1: control sample; T2: coating with enzymatically modified starch; T3: coating with starch modified with citric acid and T4: coating with native starch. The application was made manually with clean and sterile sponge; The tomatoes were placed in labeled trays, allowing to dry for 24 h at room temperature, from which the microbial growth and microscopic characterization of the tomato exocarp was measured for 15 days, applying a completely randomized 4x6 factorial design that had consider the type of related and independent samples; the data obtained 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.

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References

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How to Cite
Mosquera Sánchez, S. A. ., Hoyos Yela, N. ., Pérez Imbachí, R. ., & Paz Peña, S. P. . (2020). Microbiological effect of coating modified by acid via on the long tomato life. Biotechnology in the Agricultural and Agroindustrial Sector, 18(2), 145–154. https://doi.org/10.18684/BSAA(18)145-155
Published
2020-06-30
Section
Artículos de Investigaciòn
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