High Quality Content by WIKIPEDIA articles! Lanolin (German, from Latin lana, "wool", and oleum, "oil"), also called wool wax or wool grease, is a yellow waxy substance secreted by the sebaceous glands of wool-bearing animals. Most lanolin used by humans comes from domestic sheep breeds that are raised specifically for their wool; the meat of such breeds is considered vastly inferior in quality to that from breeds raised specifically for their meat, partially due to the presence of lanolin. Lanolin is also frequently, but incorrectly, referred to as wool fat (adeps lanae) by many of the world’s pharmacopoeias even though it has been known for more than 150 years that lanolin is devoid of glycerides and is in fact a wax, not a fat. Lanolin's waterproofing property aids sheep in shedding water from their coats. Certain breeds of sheep produce large amounts of lanolin, and the extraction can be performed by squeezing the sheep's harvested wool between rollers. Most or all of the lanolin...

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