Abstract
The objectives of the present work were control the decay incidence and ripening of wounded fruits by the relative humidity management during the storage. Fruits were allocated in mini experimental chambers at the temperature of 1°C during 5 months. Was verified a significant interaction on ethylene production after 2 and 6 days of shelf life at 20°C. On the evaluation carried out after 6 days, wounded fruits stored under LRH showed lower ethylene production. There was higher mass loss in wounded fruits stored in HRH. Wounded fruits showed high decay incidence. The LRH is not an efficient method to control decay incidence in wounded fruits, but maintain higher flesh firmness, lower ethylene production and respiration rate.
Highlights
The objectives of the present work were control the decay incidence and ripening of wounded fruits by the relative humidity management during the storage
Mechanical wounds may be origin physiological disorders and accelerate the fruit ripening by the ethylene production rise (STEFFENS et al, 2008), that is a plant hormone involved on fruit ripening (ALVES et al, 2010)
The mechanical wound originated by impact, could result in epidermis wound and expose the cellular juice (MATTIUZ; DURIGAN, 2001; DURIGAN et al, 2005; DE MARTINO et al, 2006; ALVES et al, 2010), occurring phenolic compound oxidation (STEFFENS et al, 2008), and flesh browning, higher ethylene production (STEFFENS et al, 2008; ALVES et al, 2010) and increase respiration rate (MATTIUZ; DURIGAN, 2001) and so decrease fruit quality during postharvest
Summary
The objectives of the present work were control the decay incidence and ripening of wounded fruits by the relative humidity management during the storage. On the evaluation carried out after 6 days, wounded fruits stored under LRH showed lower ethylene production. The LRH is not an efficient method to control decay incidence in wounded fruits, but maintain higher flesh firmness, lower ethylene production and respiration rate. Berton (2010) reports that the bitter decay and Colletotrichum mound growth, has relation with the wounded caused by fruit fly This damage may be increase the decay incidence, physiological disorders, ethylene production and respiration rate that affecting the fruit ripening.
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