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首页> 美国卫生研究院文献>Marine Drugs >Alternative Sources of n-3 Long-Chain Polyunsaturated Fatty Acids in Marine Microalgae
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Alternative Sources of n-3 Long-Chain Polyunsaturated Fatty Acids in Marine Microalgae

机译：海洋微藻中n-3长链多不饱和脂肪酸的替代来源

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摘要

The main source of n-3 long-chain polyunsaturated fatty acids (LC-PUFA) in human nutrition is currently seafood, especially oily fish. Nonetheless, due to cultural or individual preferences, convenience, geographic location, or awareness of risks associated to fatty fish consumption, the intake of fatty fish is far from supplying the recommended dietary levels. The end result observed in most western countries is not only a low supply of n-3 LC-PUFA, but also an unbalance towards the intake of n-6 fatty acids, resulting mostly from the consumption of vegetable oils. Awareness of the benefits of LC-PUFA in human health has led to the use of fish oils as food supplements. However, there is a need to explore alternatives sources of LC-PUFA, especially those of microbial origin. Microalgae species with potential to accumulate lipids in high amounts and to present elevated levels of n-3 LC-PUFA are known in marine phytoplankton. This review focuses on sources of n-3 LC-PUFA, namely eicosapentaenoic and docosahexaenoic acids, in marine microalgae, as alternatives to fish oils. Based on current literature, examples of marketed products and potentially new species for commercial exploitation are presented.
机译：人类营养中n-3长链多不饱和脂肪酸（LC-PUFA）的主要来源目前是海鲜，尤其是油性鱼。但是，由于文化或个人的喜好，便利性，地理位置或对食用脂肪鱼的风险的了解，脂肪鱼的摄入远不能提供建议的饮食水平。在大多数西方国家中观察到的最终结果不仅是n-3 LC-PUFA的供应不足，而且主要是由于食用植物油而导致的n-6脂肪酸摄入量的不平衡。意识到LC-PUFA对人类健康的益处，因此已将鱼油用作食品补充剂。但是，有必要探索LC-PUFA的替代来源，尤其是微生物来源的替代来源。海洋浮游植物中已知有微藻物种，这些微藻物种具有大量积累脂质的潜能并具有高水平的n-3 LC-PUFA。这篇综述着重于海洋微藻中n-3 LC-PUFA的来源，即二十碳五烯酸和二十二碳六烯酸，作为鱼油的替代品。根据目前的文献，介绍了市场上出售的产品和可能用于商业开发的新物种的例子。

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