Takahashi Koretaro, Inoue Yoshikazu
Faculty of Fisheries Sciences, Hokkaido University, Hakodate, Japan.
Adv Food Nutr Res. 2012;65:31-46. doi: 10.1016/B978-0-12-416003-3.00003-2.
Marine phospholipids are defined as phospholipids containing docosahexaenoic acid (DHA) or eicosapentaenoic acid that would be more effective than fish oil, which is mostly composed of triacylglycerol, in exerting health benefits. Marine phospholipids would boost the effect of both the health-beneficial hydrophilic and the hydrophobic compounds such as cell differentiators, anticancer compounds, and antiobesity compounds. When marine phospholipids are served as liposomal drinks, they would be more effective than adding into solid foods or feeds. As long as the liposome bilayer is basically composed of marine phospholipids, they would promote the encapsulated functional compounds. And this is the principal advantage of choosing marine phospholipids as liposomal membrane. Bioconversion of marine phospholipid would also be advantageous in delivering DHA into the desired tissue. For example, lysophosphatidylserine obtained through phospholipase D-mediated transphosphatidylation and phospholipase A₁ or sn-1 positional specific lipase-mediated partial hydrolysis seemed to be the most effective chemical form in delivering DHA into brain.
海洋磷脂被定义为含有二十二碳六烯酸(DHA)或二十碳五烯酸的磷脂,在发挥健康益处方面,它们比主要由三酰甘油组成的鱼油更有效。海洋磷脂会增强有益健康的亲水性和疏水性化合物(如细胞分化剂、抗癌化合物和抗肥胖化合物)的作用。当海洋磷脂用作脂质体饮料时,它们比添加到固体食物或饲料中更有效。只要脂质体双层基本由海洋磷脂组成,它们就会促进被包裹的功能性化合物。这就是选择海洋磷脂作为脂质体膜的主要优势。海洋磷脂的生物转化在将DHA输送到所需组织方面也具有优势。例如,通过磷脂酶D介导的转磷脂酰化以及磷脂酶A₁或sn-1位置特异性脂肪酶介导的部分水解获得的溶血磷脂酰丝氨酸似乎是将DHA输送到大脑中最有效的化学形式。