Rose oil the aromatics unaltered by heat. Because CO is gas at normal atmospheric pressure, it leaves no trace of itself in the final product. The equipment for CO extraction is expensive, which is reflected in the price of the essential oils obtained from the process. It takes a large amount of rose petals to distill a small amount of essential oil. Depending on extraction method and plant species, the typical yield can be approximately 1:3,000. To mitigate the cost, some dishonest dealers will dilute rose oil with geranium ("Pelargonium graveolens") or palmarosa ("Cymbopogon martinii") essential oils, both of which are rich
Issam al-Attar Issam al-Attar Issam al-Attar () is a former Muslim Brotherhood leader, a symbol of resistance to Hafez al-Assad, and in exile in Aachen, Germany since the 1970s. He was born in 1927 in Syria. He was the second Supreme Guide of the Syrian Muslim Brotherhood, taking over from its founder, Mustafa al-Siba'i, in 1961. His sister, Najah al-Attar is the Vice President of Syria and is the only woman to have served in the post, which she has held since 2006. Previously she was Minister of Culture from 1976 to 2000. Attar was denied re-entry to Syria by the newly