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The ingestion of neem oil is potentially toxic and can cause metabolic acidosis, seizures, kidney failure, encephalopathy and severe brain ischemia in infants and young children. [ 2 ] [ 8 ] [ 9 ] Neem oil should not be consumed alone without any other solutions, particularly by pregnant women, women trying to conceive or children. [ 2 ]
Castor oil is a vegetable oil pressed from castor beans, the seeds of the plant Ricinus communis. [1] The seeds are 40 to 60 percent oil. [ 2 ] It is a colourless or pale yellow liquid with a distinct taste and odor.
A further byproduct called tall oil fatty acid (TOFA) is a cheap source of oleic acid. [219] Tamanu or foraha oil [220] from the Calophyllum tacamahaca, is important in Polynesian culture, and, although very expensive, [220] is used for skin care. [221] Tonka bean oil (Cumaru oil), popular ingredient in cologne, used medicinally in Brazil. [222]
Liquid paraffin, also known as paraffinum liquidum, paraffin oil, liquid paraffin oil or Russian mineral oil, is a very highly refined mineral oil used in cosmetics and medicine. Cosmetic or medicinal liquid paraffin should not be confused with the paraffin (i.e. kerosene ) used as a fuel.
Light mineral oil (paraffinum perliquidum) is used as a honing oil when sharpening edge tools (such as chisels) on abrasive oil stones. Mineral oil USP or light mineral oil can be used as an anti-rust agent for their blades. It is an inexpensive alternative for storing reactive metals, such as the alkali metals, lithium, potassium and sodium. [32]
Whale oil is oil obtained from the blubber of whales. [1] Oil from the bowhead whale was sometimes known as train-oil , which comes from the Dutch word traan ("tear drop"). Sperm oil , a special kind of oil obtained from the head cavities of sperm whales , differs chemically from ordinary whale oil: it is composed mostly of liquid wax .
A press developed at MIT's D-Lab, for example, is capable of exerting 800–1,000psi to extract peanut oil. [2] Industrial machines for extracting oil mechanically are call expellers. Many expellers add heat and pressure, in order to increase the amount of oil extracted. If the temperature does not exceed 120 °F, the oil can be called "cold ...
An oil is any nonpolar chemical substance that is composed primarily of hydrocarbons and is hydrophobic (does not mix with water) and lipophilic (mixes with other oils).