Aren’t frozen vegetables and fruits protected from infestation?
Usually, they are not. Although freezing may kill the insect, it does not usually loosen its grip on the vegetable. In fact, sometimes freezing preserves the insect as it is. An exception is cabbage, in which freezing does loosen the grip. In this case, steps may be taken after freezing to rid the cabbage of insects. (See page 30).
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