Pineapple ripened or off-green. A plant growth regulator, Ethephon, is typically sprayed onto the fruit one week before harvest, developing ethylene, which turns the fruit golden yellow. After cleaning and slicing, a pineapple is typically canned in sugar syrup with added preservative. A pineapple never becomes any riper than it was when harvested. The fruit itself is quite perishable and if it is stored at room temperature, it should be used within two days; however, if it is refrigerated, the time span extends to 5–7 days. Mimi Sheller writes: "The pineapple entered European iconography as a symbol of welcome and hospitality,
Hospitality However, it still involves showing respect for one's guests, providing for their needs, and treating them as equals. Cultures and subcultures vary in the extent to which one is expected to show hospitality to strangers, as opposed to personal friends or members of one's ingroup. Jacques Derrida offers a model to understand hospitality that divides unconditional hospitality from conditional hospitality. Over the centuries, philosophers have devoted considerable attention to the problem of hospitality. However, hospitality offers a paradoxical situation (like language) since inclusion of those who are welcomed in the sacred law of hospitality implies others will be rejected. Julia