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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Virgin Olive Oil Normalizes the Altered Triacylglycerol Molecular Species Composition of Adipose Tissue in Spontaneously Hypertensive Rats
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Virgin Olive Oil Normalizes the Altered Triacylglycerol Molecular Species Composition of Adipose Tissue in Spontaneously Hypertensive Rats

机译:初榨橄榄油使自发性高血压大鼠脂肪组织中三酰基甘油分子种类的变化正常化

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The present study was conducted in order to evaluate the influence of hypertension on the triacylglycerol (TG) molecular species composition and other lipid classes of rat adipose tissue.In addition,the effect of two dietary oils,with a similar content in oleic acid but different TG moieties,was studied.Virgin olive oil (VOO) or high-oleic sunflower oil (HOSO) was added to a baseline diet (BD) and administrated to Wistar-Kyoto and spontaneously hypertensive rats (SHR) for 12 weeks.Both VOO and HOSO normalized the altered composition of TG molecular species and phospholipid (PL) fatty acids in SHR compared to animals fed BD,although the effect exhibited by VOO was greater.Rats fed HOSO showed a greater palmitic (p<0.05) and lower linoleic acid (p<0.05) incorporation into PL but a greater accumulation of linoleic acid-containing TG species,particularly dioleoyl-linoleoyl-glycerol,with a concomitant displacement of trilinolein.Both oils were capable of increasing the lipoprotein lipase (LPL) activity in normotensive rats,-but only VOO did so in the SHR.Therefore,it was concluded that although oleic acid-rich diets improve some of the altered parameters of SHR adipose tissue,VOO is more effective than HOSO in this regard.
机译:本研究旨在评估高血压对大鼠脂肪组织中三酰基甘油(TG)分子种类组成和其他脂质类别的影响。此外,两种食用油在油酸中含量相似但有所不同的影响研究了TG部分。将纯橄榄油(VOO)或高油酸葵花籽油(HOSO)添加到基准饮食(BD)中,并给予Wistar-Kyoto和自发性高血压大鼠(SHR)12周.VOO和与用BD喂养的动物相比,HOSO可以使SHR中TG分子种类和磷脂(PL)脂肪酸的变化正常化,尽管VOO表现出更大的效果。用HOSO喂养的大鼠显示出更大的棕榈酸(p <0.05)和较低的亚油酸(p <0.05 p <0.05)掺入PL中,但含亚油酸的TG种类(尤其是油酰-亚油酰-甘油)有更大的积累,同时伴有三亚麻酸的置换。两种油都能增加脂蛋白脂酶(L PL)活性,但在SHR中只有VOO起作用。因此,可以得出结论,尽管富含油酸的饮食改善了SHR脂肪组织的某些参数改变,但VOO在这方面比HOSO更有效。

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