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,
Norwegian Hospitality Association is a party to wage negotiations, at the same time as it has extensive expertise in wage and employer issues. Member businesses also have the advantage of such services as the Norwegian Hospitality Association's Service Office. Co-operation agreements for purchasing from a number of major suppliers to the industry make considerable savings for member businesses. In 2005, hospitality businesses contributed NOK 80 billion to GNP. Lodging and food service comprise 10,759 businesses that have NOK 52 billion in sales and employ 88,975 persons, which constitutes 4.1 percent of the total employment in Norway. Norwegian Hospitality Association The Norwegian Hospitality Association