Abstract
Summary Storing Cox’s Orange Pippin apples in 1.25% O2 leads to increased firmness and reduced aroma compared with storing in 2% O2. Raising oxygen levels during the storage period from 1.25% to 2% enhanced organoleptic aroma to a level indistinguishable from that of fruit stored in 2% O2, but the benefits of 1.25% O2 in terms of increased firmness ex-store were maintained. Raising the O2 level in storage can be delayed until relatively close to marketing in order to get maximum firmness while still increasing aroma.

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