Abstract
Mango fruits (cv Keitt) were exposed to a continuous flow of low O2 atmosphere of 0.1 to 0.2% (balance is N2) for 0 to 5 days at 20°C. Fruits were evaluated every day after exposure to low O2 atmosphere, and again after 5 days in air at 20°C. A sensory evaluation test was conducted after 15 days from the initiation of the experiment. The low O2 atmosphere reduced the activity of the enzymes malic dehydrogenase and isocitric dehydrogenase but did not affect the activity of α- Ketoglutarate dehydrogenase. However, there was no indication of any fruit injury nor any detrimental organoleptic changes due to the low O2 atmosphere. These results suggest the possibility of the application of very low O2 atmosphere for postharvest insect control in mango.
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