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Postharvest conservation and quality of okra submitted to different temperatures and storage forms

This work had the goal to evaluate the influence of PVC film and temperature on the postharvest storage life in four cultivars of okra. The treatments were displayed in randomized complete blocks, in split-split-plot design, where the parcels were the temperatures of 5 and 10ºC, and in the sub parcels a 2 (control and PVC wrapped fruits) x 4 (cultivars Amarelinho, Red Velvet, Star of David and Mammoth Spinless) factorial, and in the sub-sub parcels six sampling moments, containing four blocks. Storage at 10ºC and wrapping the fruits with PVC film improved the control of fresh mass loss. The film was more efficient in maintaining higher water content in the fruit pericarp at 5 or 10ºC. The cultivar Amarelinho lost less fresh mass and maintained higher water content. Fruits stored at 5ºC had higher vitamin C content. The cultivars Mammoth Spinless and Star of David showed lower losses of vitamin C. Cultivar Mammoth Spinless had the highest content of chlorophyll and Amarelinho the lowest. In general the development of chilling and browning was higher in fruits without PVC film at 5ºC. The cultivar Amarelinho had better postharvest conservation at 10ºC and using PVC film.

Abelmoschus esculentus; storage; quality


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