J Lipid Res:全新Meta分析称,改善血脂,葵花籽油和菜籽油优于橄榄油

2018-10-13 朱柳媛 中国循环杂志

近期发表在脂质研究杂志的一项最新Meta分析却发现,葵花籽油、油菜籽油等种子油优于橄榄油。

大量证据已经表明,猪油、黄油等饱和脂肪酸不利于身体健康,因此营养学家和临床医生都建议用不饱和脂肪酸替代这些饱和脂肪酸,其中地中海饮食推荐的橄榄油尤其备受青睐。

然而,近期发表在脂质研究杂志的一项最新Meta分析却发现,葵花籽油、油菜籽油等种子油优于橄榄油。

研究者采用网络Meta分析的方法,对1980年至2018年3月发表的54项相关研究进行了分析,这样就可以同时比较多种油对血脂的改善作用,以期最终能指出哪种油对于改善哪种血脂成分最好。

这些研究都是评估摄入同等热量的至少两种固体脂肪或液态食用油至少3周对各种血脂成分的影响,共涉及13种食用油或固体脂肪:葵花籽油、油菜籽油、大麻籽油、红花油、亚麻籽油、玉米油、橄榄油、大豆、油棕榈油、椰子油、猪油、牛肉脂肪、黄油。

分析结果显示,对血脂最有益的是葵花籽油、油菜籽油、红花油和亚麻籽油,黄油和猪油最不利于降低低密度脂蛋白胆固醇(LDL-C)水平。

就降低LDL-C和甘油三酯水平来说,红花油最好,其次是油菜籽油;棕榈油最有利于改善甘油三酯水平;椰子油在改善高密度脂蛋白胆固醇水平上价值最高。

与黄油相比,红花油、葵花籽油、油菜籽油、亚麻籽油、玉米油、橄榄油、大豆油、棕榈油、椰子油以及牛肉脂肪均能显着降低LDL-C,降幅处于0.23~0.42 mmol/L。

研究者提醒到,该研究并不是硬终点研究,他们仅关注了血脂水平而不是疾病结局,因此在解释上述研究结果时应谨慎。

另外,在这些种子油中,并不能选出哪种最佳。不过地中海周围国家的居民可能要失望了,因为橄榄油并不是最好的。

原始出处:Schwingshackl L,et al. Effects of oils and solid fats on blood lipids: a systematic review and network meta-analysis. J Lipid Res, 2018, 59: 1771-1782.

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    2019-07-02 guojianrong
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    2019-01-02 一闲
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    2018-11-22 bettycmoon
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    2018-10-16 医者仁心5538

    学习了

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