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Cholesterol removal by nanofiltration: Applications in nutraceutics and nutritional supplements

机译:纳滤去除胆固醇:在营养学和营养补品中的应用

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The extraction process applied on egg yolk by the Laboratoire de Micronutrition Appliquee (LMA laboratory) allows recovery of three lipidic compounds in an ethanolic solution: triacylglycerides, phospholipids and cholesterol. Our work consists in separating these three lipidic compounds. First cholesterol is separated from the other two lipids by nanofiltration, as this technique is generally able to separate compounds whose molecular weights range between 200 and 2000 a mol(-1). A feasibility study performed on a variety of nanotiltration membranes with different characteristics shows that for this membrane range the separation is poorly influenced by the membrane cut-off but greatly influenced by the membrane chemistry. Then the most appropriate membrane is selected and the best experimental procedure determined. The relationship between cholesterol levels in foods and the development of coronary diseases is a very controversial issue, and therefore the possibility of separating cholesterol by using the appropriate nanotiltration membrane Would be a breakthrough in the domain of nutraceutics and nutritional supplements. (c) 2005 Elsevier B.V. All rights reserved.
机译:微型营养实验室(LMA实验室)在蛋黄上进行的提取工艺可回收乙醇溶液中的三种脂质化合物:甘油三酯,磷脂和胆固醇。我们的工作包括分离这三种脂质化合物。第一胆固醇通过纳滤与其他两种脂质分离,因为该技术通常能够分离分子量在200至2000 amol(-1)之间的化合物。对具有不同特性的各种纳米倾斜膜进行的可行性研究表明,对于该膜范围,分离不受膜截止的影响很小,但受膜化学的影响很大。然后选择最合适的膜并确定最佳实验程序。食品中胆固醇水平与冠心病发展之间的关系是一个备受争议的问题,因此,通过使用适当的纳米倾斜膜分离胆固醇的可能性将成为营养学和营养补品领域的一项突破。 (c)2005 Elsevier B.V.保留所有权利。

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