In this article:
Dried vine fruit, in Australia, is disinfested with ethyl formate and methyl bromide.
Altemative disinfestation techniques for methyl bromide are being sought and laboratory studies indicate carbon dioxide may be suitable.
This paper describes two trials to test the feasibility of storing sultanas under sealed plastic membranes with an initial disinfestation using carbon dioxide.
The stacks were dosed at different rates, which gave 100% mortality of test insects placed inside the cartons of fruit.
There was no evidence that condensation occurred during the periods of sealed storage, which lasted for 60 and 50 days respectively.
Organoleptic testing of samples, taken before and after the trials, indicated that sultana quality was unaffected by the treatment.
The trials demonstrated that sealed stack storage has potential for long-term storage of large stacks of dried vine fruit.
Carbon Dioxide Fumigation of Processed Dried Vine Fruit (Sultana) in Sealed Stacks
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