Lipid f&eacute;le (phospholipid). Toj&aacute;ss&aacute;rg&aacute;j&aacute;ban, n&ouml;v&eacute;nyi &eacute;s &aacute;llati sejth&aacute;rty&aacute;ban tal&aacute;lhat&oacute;, manaps&aacute;g napraforg&oacute;olajb&oacute;l&nbsp;vagy sz&oacute;j&aacute;b&oacute;l &aacute;ll&iacute;tj&aacute;k elő. A kozmetikai iparban bőrpuh&iacute;t&oacute; (emollient) &eacute;s v&iacute;zmegk&ouml;tő anyagk&eacute;nt haszn&aacute;latos. Olajban &eacute;s v&iacute;zben is old&oacute;dik, ez&eacute;rt&nbsp;hasonl&iacute;t a sejtmembr&aacute;nhoz. A Lecithin-t liposz&oacute;m&aacute;knak is nevezik, mivel a dupla oldhat&oacute;s&aacute;ga, a hat&oacute;anyagokat magukkal hordozva, seg&iacute;t m&eacute;lyebbre &eacute;s a megfelelő helyre sz&aacute;ll&iacute;tani őket.