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
Ganjam Kewda Flower of an essential oil) may be either a primary product from low quality flowers collected during hot summer, or it may be a secondary product from Kewra Ruh or Attar production. Kewra Jal is also called Kewra water. Kewra Jal is about 0.02% of Kewra oil. 24 flowers can produce one pound of primary hydrosol. The hydrosol is used to flavor popular sweets such as Rasgulla, Rasmalai, and Ghulab Jamun. It is used to flavor rice dishes such as biryanis. The kewda flower and its root, produced after processing the flowers, is also unique to the region. The flower grows