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 as a duty inspired by Zeus himself. In India and Nepal hospitality is based on the principle "Atithi Devo Bhava", meaning "the guest is God". This principle is shown in a number of stories where a guest is revealed to be a god who rewards the provider of hospitality. From this stems the Indian or Nepal practice of graciousness towards guests at home and in all social situations. The "Tirukkuṛaḷ," an ancient Indian work on ethics and morality, explains the ethics of hospitality through its verses 81 through 90, dedicating a separate chapter on it (Chapter 9). Judaism praises hospitality