Omega-7 is a non-essential fatty acid. Like omega-3, omega-7 may have benefits for heart health. Researchers looked into the link between omega-7 and high blood pressure, and found that animal models treated with omega-7 had significantly lower blood pressure, and lower levels of inflammation in their aorta. Macadamia nuts and macadamia oil are rich sources of omega-7.
Omega-7脂肪酸是一种非必需脂肪酸。Omega-7脂肪酸与Omega-3脂肪酸一样，对心脏健康具有助益。研究人员对 Omega-7脂肪酸与高血压之间的关联进行了研究，结果发现使用Omega-7脂肪酸进行治疗的动物模型，其血压出现了显著的降低，主动脉的发炎指数也较低。胡桃果实（澳洲坚果/夏威夷果）与胡桃油是Omega-7脂肪酸的丰富来源。
August 2021
2021 年 8 月
https://doi.org/10.1002/mnfr.202001025
https://doi.org/10.17660/ActaHortic.2020.1292.50
夏威夷果
夏威夷果(又称为澳洲坚果)每磅的售价约为25美元，是世界上最为昂贵的坚果，价格几乎是杏仁等其他坚果的两倍。夏威夷果树需要大约7至10年的时间才能产出坚果，并且每棵果树每季的产量非常有限。采收的过程耗时耗力、花费昂贵，因为很难辨别成熟与未成熟的果实，并且去除果壳的工作也非常不易。夏威夷果是世界上最坚硬、果壳最难开启的坚果。夏威夷果含有棕榈油酸，可改善新陈代谢，帮助身体维持健康的胰岛素值。
Macadamia Nuts
At USD25 per pound, macadamia nuts are the world’s most expensive nuts, almost twice as much as other nuts like almonds. Macadamia trees take about seven to 10 years to produce nuts. Each tree produces a very limited number of nuts per season. The harvesting process is laborious and costly because it is difficult to tell the ripe nuts from the unripe ones, and to remove the shells. Macadamia nuts are the toughest nuts in the world to crack. Macadamia nuts contain palmitoleic acid, which improves metabolism and helps the body maintain healthy levels of insulin.
Note:
Obesity is often associated with, and exacerbated by, other metabolic disorders such as type 2 diabetes mellitus (T2DM). A hallmark of T2DM is failure of insulin secretion from pancreatic β-cell to regulate blood glucose disposal into peripheral tissues, such as skeletal muscle, termed insulin resistance, as well as deregulation of pancreatic α-cell function.
It has been suggested that palmitoleic acid has hormone-like properties and improves some metabolic parameters that are impaired in obesity and T2DM.
Source:
National Library of Medicine https://pubmed.ncbi.nlm.nih.gov/
The National Center for Biotechnology Information (NCBI) advances science and health by providing access to biomedical and genomic information. (https://www.ncbi.nlm.nih.gov/)
High consumption of any oil does the human body no good. If one must consume oil, choose a cooking oil that has a high smoke point and a balanced ratio of omega-6 to omega-3 fatty acids. Examples of such cooking oils include macadamia nut oil and perilla seed oil.
任何油吃多了，都对人体没有好处。如果必须使用食用油，请选择具有高冒烟点、 Omega-6 与 Omega-3 脂肪酸比例平衡的食用油。胡桃油和紫苏籽油就是很好的例子。
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