Banana fruit after harvest undergo a rapid softening progress, resulting in a short shelf life (Menniti et al., 2004). Banana handling, transportation, ripening and marketing typically involve the use of sophisticated technologies and facilities (Jiang et al., 1999). Technologies such as fast cooling and temperature control at approximately 13 °C give a postharvest shelf life of 2–3 weeks. Though storage at low temperature (<13 °C) delays fruit ripening and extends the postharvest life of banana fruit, the beneficial effects are limited by the development of chilling injury-associated disorders, including skin browning and failure of the fruit to soften (Jiang et al., 2004). Especially in developing countries, there is a need for alternative non-sophisticated technologies for green life extension at ambient temperature so subsistence producers can transport green banana fruit long distances without refrigeration.
Investigations have documented that some fruits experience postharvest deterioration due to the imbalance between the amount of reactive oxygen species (ROS) produced and the scavenging ROS capacity, which resulted in enhanced lipid peroxidation and membrane injury and reduced resistance of these fruits to pathogens (Macarisin et al., 2010). Oxidation injury caused by ROS is an important factor leading to quality deterioration by affecting cell wall disassembly in pulp tissues of banana fruit (Cheng et al., 2008). Excessive production of ROS might result in loss of compartmentalization of litchi fruit between enzymes and their substrates, which was responsible for enzymatic browning (Sun et al., 2012). Therefore, developing postharvest handling to inhibit ROS production and decrease lipid peroxidation could be important for reducing quality deterioration and extending the storage life of banana fruit.
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