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,
American Academy of Hospitality Sciences American Academy of Hospitality Sciences The American Academy of Hospitality Sciences (AAHS) is a for-profit business based in New York City that reviews and bestows awards on hotels, resorts, spas, airlines, cruise lines, automobiles, products, restaurants and chefs. The academy began as a restaurant rating business, founded in 1949. The academy is best known for its "International Star Diamond Award". The academy is based in New York City and is directed by Joseph Cinque. The independence of the organization and its Star Diamond award have been questioned. The academy has been accused of being closely linked to the business interests