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An essential oil is a concentrated hydrophobic liquid containing volatile (easily evaporated at normal temperatures) chemical compounds from plants.Essential oils are also known as volatile oils, ethereal oils, aetheroleum, or simply as the oil of the plant from which they were extracted, such as oil of clove.
Transformer oil or insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. It is used in oil-filled wet transformers, [1] some types of high-voltage capacitors, fluorescent lamp ballasts, and some types of high-voltage switches and circuit breakers.
As the degree of saturation is raised by full or partial hydrogenation, the oil's viscosity and melting point increase. While full hydrogenation produces largely saturated fatty acids, partial hydrogenation results in the transformation of unsaturated cis fatty acids to unsaturated trans fatty acids in the oil mixture due to the heat used in ...
Origin of this essential oil, the tea tree, Melaleuca alternifolia Tea tree plantation, Coraki, New South Wales. Tea tree oil, also known as melaleuca oil, is an essential oil with a fresh, camphoraceous odour and a colour that ranges from pale yellow to nearly colourless and clear.
First attested in English 1176, the word oil comes from Old French oile, from Latin oleum, [2] which in turn comes from the Greek ἔλαιον (elaion), "olive oil, oil" [3] and that from ἐλαία (elaia), "olive tree", "olive fruit".
Cooking oil (also known as edible oil) is a plant or animal liquid fat used in frying, baking, and other types of cooking.Oil allows higher cooking temperatures than water, making cooking faster and more flavorful, while likewise distributing heat, reducing burning and uneven cooking.
Argan oil has a relative density at 20 °C (68 °F) ranging from 0.906 to 0.919. [4]Argan oil also contains traces of tocopherols (vitamin E), phenols, carotenes, squalene. [5]
They then refine the oil to remove certain free fatty acids to reduce susceptibility to rancidification. Other processes to increase shelf life include using copra with a moisture content below 6%, keeping the moisture content of the oil below 0.2%, heating the oil to 130–150 °C (266–302 °F) and adding salt or citric acid .