Search results
Results from the WOW.Com Content Network
Sterols and related compounds play essential roles in the physiology of eukaryotic organisms, and are essential for normal physiology of plants, animals, and fungi. [8] For example, cholesterol forms part of the cellular membrane in animals, where it affects the cell membrane's fluidity and serves as secondary messenger in developmental signaling.
Ergosterol (ergosta-5,7,22-trien-3β-ol) is a sterol found in fungi, and named after ergot, the common name of members of the fungal genus Claviceps from which ergosterol was first isolated. Ergosterol is a component of yeast and other fungal cell membranes , serving many of the same functions that cholesterol serves in animal cells. [ 1 ]
The debate regarding sterol vs. stanol safety is centered on their differing intestinal absorption and resulting plasma concentrations. Phytostanols have a lower estimated intestinal absorption rate (0.02 - 0.3%) than phytosterols (0.4 - 5%) and consequently blood phytostanol concentration is generally lower than phytosterol concentration.
Stigmasterol is a food additive in manufactured food products in the United Kingdom and European Union. [7]It was introduced as a precursor by Percy Lavon Julian for industrial large-scale manufacture of semisynthetic progesterone, [8] [9] [10] a valuable human hormone that plays an important physiological role in the regulatory and tissue rebuilding mechanisms related to estrogen effects, as ...
Sterol carrier proteins (also known as nonspecific lipid transfer proteins) is a family of proteins that transfer steroids and probably also phospholipids and gangliosides between cellular membranes. These proteins are different from plant nonspecific lipid transfer proteins but structurally similar to small proteins of unknown function from ...
The molecular mechanisms regulating the absorption of dietary sterols in the body are poorly understood, and as sitosterolemia is a rare autosomal recessively inherited lipid metabolic disorder characterized by hyperabsorption and decreased biliary excretion of dietary sterols, studies have focused on the molecular basis of sitosterolemia to shed light on important principles concerning ...
Download as PDF; Printable version; In other projects Wikimedia Commons; ... Pages in category "Sterols" The following 88 pages are in this category, out of 88 total.
Download as PDF; Printable version; ... data are given for materials in their standard state (at 25 °C [77 °F], ... (ganoderol B) is a sterol isolated from ...