Search Results for: Vegetable waxes coloured
components are too delicate and easily denatured by the high heat used in steam distillation. instead, a solvent such as hexane or supercritical carbon dioxide is used to extract the oils. extracts from hexane and other hydrophobic solvent are called concretes, which are a mixture of essential oil, waxes
, resins, and other lipophilic (oil soluble) plant material. although highly fragrant, concretes contain large quantities of non-fragrant waxes and resins. often, another solvent, such as ethyl alcohol , which is more polar in nature, is used to extract the fragrant oil from the concrete. the alcohol...
https://www.cargohandbook.com/Essential_Oils