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 service Hospitality service A hospitality service, also known as "accommodation sharing", "hospitality exchange" (short "hospex"), "home stay network", or "home hospitality network" ("hoho"), is a centrally organized social networking service of travelers who offer or seek homestays (lodging in a home) either gratis or for money. Hospitality services generally connect users via the internet and are examples of collaborative consumption and sharing. In cases where lodging is offered gratis, they are examples of a barter economy or gift economy. A hospitality service may collect commissions on each homestay, charge a membership fee, or be completely free. In 1949, Bob Luitweiler founded