Alterações do abacate 'hass' submetidos à aplicação do 1-MCP

• Autor(a) principal: Cábia, Nathalie Cardoso [UNESP]
• Data de Publicação: 2013
• Outros Autores: Vieites, Rogério Lopes [UNESP]
• Tipo de documento: Artigo
• Idioma: por
• Título da fonte: Repositório Institucional da UNESP
• Texto Completo: http://dx.doi.org/10.17224/EnergAgric.2013v28n2p129-134; http://hdl.handle.net/11449/137495
• topic: Persea americana Mill; Ethylene inhibitor; Post harvest; Enzymes; Refrigeration; Persea americana Mill; Inibidor de etileno; Pós-colheita; Enzimas; Refrigeração

The present study aimed at the conservation of avocado 'Hass' with the use of 1-methylcyclopropene (1- MCP). The fruits after harvest were selected and exposed to different concentrations of 1-MCP (200 ppm, 300 ppm and 400 ppm) and after the procedure they were stored at 10 º C ± 1 to 90 ± 5% RH. Analyses of weight loss, firmness, enzyme activity of polyphenoloxidase (PPO) and polygalacturonase (PG). The analyzes were performed on fruit every 3 days for 15 days, after this period they were transferred to ambient conditions (23 ± 4 ° C and 70 ± 5% RH) for simulation of marketing. After 3 days at ambient conditions the last appreciation was performed. The experimental design was completely randomized with three replicates per treatment, using the Tukey test at 5% probability. The fruits under application of high doses of 1-MCP showed less weight loss over time. The 1-MCP was effective in maintaining fruit firmness but showed no effect on the enzymes polygalacturonase and pectin.