Leave fruits and vegetables whole. Wash them right before using them.
Cut them up right before you need them for recipe.
http://simmerandboil.cookinglight.com/2016/06/14/should-i-wash-my-farmers-market-produce-right-when-i-get-home/
http://localfoods.about.com/od/strawberries/qt/How-To-Store-Strawberries.htm