Abstract
Lipids are either resorbed with food or produced by the body itself. All animal cells are able to produce cholesterol, but cholesterol cannot be degraded by the human body. A considerable characteristic of lipids is their poor water solubility. In aqueous solution free fatty acids are transported by binding to albumin, while all other lipids are bound to lipid-protein complexes, the so-called lipoproteins. Depending on their function, lipoproteins are of variable composition: Water-insoluble triglycerides and cholesterol esters are located in the core, whereas better water-soluble apolipoproteins, phospholipids, and free cholesterol are transported in the outer shell. Lipoproteins are defined by their density, depending on their triglyceride content:
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Lipoproteins of very low density have a high content of triglycerides, chylomicrons, and very low density lipoproteins ( VLDL).
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Low-density lipoproteins ( LDL)
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Intermediate-density lipoproteins ( IDL)
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High-density lipoproteins ( HDL) hold an increasingly lower fraction of triglycerides and therefore have an increased density.
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Schewe, T., Winkler, K. (2012). Lipids and Bariatric Surgery. In: Karcz, W.K., Thomusch, O. (eds) Principles of Metabolic Surgery. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-02411-5_8
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DOI: https://doi.org/10.1007/978-3-642-02411-5_8
Publisher Name: Springer, Berlin, Heidelberg
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