Examinando por Materia "Poscosecha"
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Publicación Acceso abierto Efecto de recubrimientos comestibles a base de almidón nativo y oxidado de yuca sobre la calidad de mango (Tommy Atkins)(2017-12-13) Figueroa, Jorge A.; Salcedo, Jairo G.; Narváez, Germán J.En relación a las significativas pérdidas poscosecha y la importancia agroindustrial de su cultivo en Colombia, se evaluó el efecto de recubrimientos comestibles a base de almidones modificados de yuca en la conservación del mango (Mangífera índica) variedad Tommy atkins. Para tal fin se formularon películas de almidón nativo y oxidado de yuca (15%), con glicerolcomo plastificante (10%) y un compuesto lipídico (3%). Durante la experiencia se determinó la tasa de respiración, pérdida de peso, acidez titulable, sólidos solubles totales (SST) y pH del mango, durante 16 días de almacenamiento a temperatura de 20± 2ºC. El uso de recubrimientos logró disminuir significativamente (p<0.05) el índice de respiración y transpiración de los frutos. El almacenamiento del mango tratado con almidones oxidados de yuca (AOL), resultó ser el mejor tratamiento (p<0.05) en la retención de las propiedades fisicoquímicas evaluadas.Publicación Restringido Manejo de labores agronómicas y de poscosecha aplicadas en el cultivo de banano (Musa AAA cavendish) tipo exportación en la finca Rancho Alegre, Apartadó, Antioquia(2022-03-04) Algarín Sánchez, Yuliana; Narváez Mejía, HumbertoThe business practice was carried out in the company C.I tropical S.A, which currently has 22 own farms exporting bananas to Europe and all have the certification in Globalgap and Rain Forest Alliance standards. It has a total area of 3,133 hectares, of which 2705 correspond to the net área established in this crop. The farms are divided into 3 areas as described below. Secluded area (7 farms. Raíces, Revancha, Rancho Alegre, Costa Rica, Casco, Las delicias, Mateguadua.), Arcua zone (8 farms. Florida, Petra, Margaritas, Palomas, Represa, Santa Marta, Providencia, Claudia Sofía), zungo zone (7 farms. Sultana, Carepa, Santa Isabel, Acacias, Majagua, La ceiba, Bananal) distributed in 4 municipalities which are chigorodo, turbo, carepa and secluded. The company has sowed 2 clones Valery and Jaffa) belonging to the Cavendish subgroup. The objective of this practice was to know, learn and serve as support in the different administrative positions and support group such as field coordination, packinghouse coordination, administration, project assistant, within which different activities were carried out such as management and distribution of personnel. monitoring and evaluation of cultural work (bagging, mooring, fertilization, weeding, fruit protection, fumigation), Supervision of work in packing house (cluster profile, desmane, deflower, selection, seal, packaging), postharvest quality evaluation, evaluation waste (waste), soil sampling, supervision of tasks such as poplar plantation and planting in high densities, nursery. These activities made it possible to consolidate knowledge about the cultural and agronomic management of banana cultivation from the nursery stage to harvest.