date:Jun 13, 2017
degrade.
Personally I would recommend whole and then cut it up yourself, for both nutritional value and also waste. Often pre-diced veges come in both plastic trays and then plastic wrapped, which is saved when buying whole veges (normally).
In summary, for cost and convenience, a bag may be the best choice but according to Bek Parry, if nutrition is your concern, shoppers should stick with fresh.