菜籽油比。葵花籽油

When comparing sunflower oil and canola oil, both have nutritious components, but theCenters for Disease Control and Preventiondoesn't identify any oil as the healthiest. It does, however, recommend canola oil as the best oil for baking.

由于人体需要脂肪的各种功能，消耗脂肪的饮食并不健康。您需要一定量的脂肪的饮食，因为它作为能量的来源，并促进维生素的吸收。在另一方面，这些食物都是高热量，所以一定要小心不要放纵。随着橄榄油，疾病预防控制中心包括在其可接受的脂肪选项列表既菜籽油和葵花籽油。

向日葵油和低芥酸菜子油之间的主要区别涉及到它们包含的脂肪的类型。葵花籽油中含有丰富的单不饱和脂肪酸和多不饱和脂肪，这有助于降低胆固醇;而低芥酸菜子油中含有ω-3脂肪酸，一种类型的多不饱和，可以帮助降低高甘油三酯。

To avoid weight gain from consuming too much fat, the梅奥诊所advocates using the oils only in moderation. When selecting fat, the main thing to remember is to reduce consumption of saturated fat foods, such as meat and palm oil. Also, avoid trans fat foods like margarine and shortening, which contain unhealthy hydrogenated vegetable oils.

Like the Mayo Clinic,Harvard Health Publishing建议用从油液体脂肪代替饱和脂肪，但它没有说一种类型的食用油是优于其他。虽然该机构承认，许多专家对橄榄油的选择，它说，其他油的选择也是合适的，其中之一是油菜，因为它有单不饱和油酸含量高。

Read more:The Truth About Canola Oil

When evaluating cooking oils, one factor to consider is the smoke point. The克利夫兰诊所此定义为在该油开始吸烟这产生有毒烟雾和自由基的温度。

While sunflower oil has a high smoke point, canola oil has a medium smoke point, so of the two oils, sunflower would be preferable for browning and searing. Sunflower is also an appropriate choice for deep-frying, but this method of cooking isn't healthy, so limit it to an occasional treat.

一2018年5月研究的作者发表于Acta Scientific Nutritional Health发现烟点不是唯一的公关edictor of oil safety when heated. Instead, the amount of polar compounds, which are unhealthy compounds produced during oil degradation, are more accurate indicators of oil stability.

烹饪油的阵列的极性化合物的测量显示葵花籽油产生小于卡诺拉。由于所产生最少的油是特级初榨橄榄油，研究小组得出的结论是做饭最安全，最稳定的选择。

Read more:Which Cooking Oil Is Best? The Pros and Cons of 16 Kinds

有些厂商做标准油的高油酸的版本。对这些产品的标签可以显示食品和药物管理局claim that daily consumption of 1 1/2 tablespoons of high-oleic acid oils may reduce the risk of heart disease.葵花籽油是进来一个高油酸版本的精油之一。

High-oleic sunflower oil contains at least 80 percent oleic acid, explainsTufts University. In contrast, traditional sunflower oil contains 20 percent. Both versions are low in saturated fat, and either is a suitable choice for a diet that promotes cardiovascular health. The high-oleic variety is more stable to use in cooking at high temperatures, and it has a longer shelf life.

A possible side effect of consuming sunflower oil is inflammation. TheArthritis Foundation列表向日葵油包含的ω-6脂肪酸的食用油中，和这些脂肪的过量消耗刺激产生在体内炎症的化学物质。

造成这个问题的，美国人的饮食充足的omega-6脂肪酸。这并不意味着脂肪应避免，但尽量不要让他们称霸饮食。

芝加哥Northwest Community Healthcarestates that a normal ratio of omega-6 toomega-3 fatty acidsis 4-to-1. Processed foods have high amounts of oils like sunflower oil, and increased consumption can adversely alter this ratio, putting it as high as 10-to-1 or 20-to-1.

An August 2012 study featured in the生物医学期刊与生物技术的highlights the inflammation-producing potential of sunflower oil. The authors state that the oil has been linked to positive effects on lipids, but it's role in inflammation hasn't been fully explored.

Although the investigation involved mice rather than humans, it's worth mentioning because of the troubling findings. Supplementation of the diet with sunflower oil did, indeed, improve blood lipids; but it showed inflammatory effects.

研究菜籽油也不是100％的利好。一个2017年12月发表的研究中科学报告谈到近期的走势与菜籽油来代替橄榄油，因为它的成本更低。结果表明油可能在大脑中的病理产生不利影响，有助于阿尔茨海默氏症。

科学报告调查涉及的小鼠，但令人不安的发现，即功德通知。的用菜子油增强饮食标准饮食的影响的比较显示后者显著记忆力受损。

它也损害突触，是在其中信息传输神经元之间的空间的完整性。作者的结论是该数据不支持与菜籽油代替橄榄油省钱的可取性。

在发表在2014年另一个令人不安的研究Respiratory Researchshows the type of vitamin E contained in canola oil may be contributing to the increasing incidence of lung inflammation and asthma.

The authors said that different forms of vitamin E have different effects. Canola oil has the gamma-tocopherol form, which is linked to reduced lung function; but olive oil and sunflower oils have the alpha-tocopherol form, which is associated with improved lung function. The effects of canola oil could increase breathing difficulty in asthmatics, the authors conclude.