Rose in greenhouses, and in warmer countries they may also be grown under cover in order to ensure that the flowers are not damaged by weather and that pest and disease control can be carried out effectively. Significant quantities are grown in some tropical countries, and these are shipped by air to markets across the world. Some kind of roses are artificially coloured using dyed water, like rainbow roses. Rose perfumes are made from rose oil (also called attar of roses), which is a mixture of volatile essential oils obtained by steam distilling the crushed petals of roses. An associated product
Bergamot essential oil from the water. The rinds of 100 bergamot oranges yield about of bergamot oil. Bergamot essential oil has been used in cosmetics, aromatherapy, and as a flavoring in food and beverages. Historically, bergamot essential oil was an important ingredient in Eau de Cologne, a perfume originally concocted by Johann Maria Farina at the beginning of the 18th century. The first record of bergamot oil used as a fragrance in perfume is from 1714, found in the Farina Archive in Cologne. The volatile oils of the bergamot orange are described as flavoring agents in the USP Food Chemicals Codex and are