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Squalene |
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squalene [′skwā‚lēn]
(biochemistry) C30H50A liquid triterpene which is found in large quantities in shark liver oil, and which appears to play a role in the biosynthesis of sterols and polycyclic terpenes; used as a bactericide and as an intermediate in the synthesis of pharmaceuticals. Also known as spinacene. Squalene an aliphatic polyunsaturated liquid hydrocarbon with the formula C30H50. Squalene, which boils at 242°C and is soluble in many organic solvents, is an important intermediate in the metabolism of triterpenoids and steroids and is widely distributed in the tissues of animals and plants, as well as in microorganisms. It was first isolated from the liver of the shark. The biosynthesis of squalene is from mevalonic acid, which is converted to farnesyl pyrophosphate. The latter, under the action of squalenesynthetase (in the presence of thiamine), is di-merized to yield squalene. The enzymatic conversion of squalene to lanosterol and of lanosterol to cholesterol and other sterols commences with the aerobic oxidation of the terminal double bond of squalene. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | With its high quality blend of natural ingredients, including squalene oil, vitamin E, vitamin A, vitamin D3 as well as aloe vera and grapefruit seed extracts, Dermology Stretch Marke Prevention Cream effectively helps to reduce the appearance of, and diminish existing stretch marks. Instead, it has been replaced by other, possibly even more dangerous chemicals, such as Aluminum, which can cause Alzheimer's and Lou Gehrig's disease, and Squalene, an oil and water material that stimulates auto-immune diseases, asthma, diabetes, brain inflammation loss of memory and/or coordination. In fact, the production of squalene and triglycerides, leading fats found in the composition of sebum, rises by 26% in areas exposed to daily UV light, as compared to non-exposed areas. |
Squalene |
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