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Seed oils also get a bad rep because of their level of processing. It's more difficult to get oil out of a seed than it is, say, an olive, so seeds undergo a more intense oil extraction process.
For centuries, people around the world have used local oils, some of which could be classified as "seed oils," derived from mustard seeds and flaxseeds. None of those were bad for their health.
Experts explain what seed oils are, their benefits, and why they get so much hate. ... tracking over 200,000 people for more than four decades to monitor the impact of nutrition on the incidence ...
Critics of seed oils often point to the health hazards of the solvents used in the industrial process of generating vegetable oils. [12] Hexane, which can be neurotoxic, is extremely effective at oil extraction. [13] Thus, it is often quoted as a danger when consuming vegetable oils as it can be found in finished oils in trace amounts. [14]
In addition to the “Hateful Eight” mentioned above, other common types of seed oils (also known as vegetable oils) include pumpkin, sesame, chia, and peanut, according to the Mayo Clinic.
Trans fat can be an unintentional byproduct of the industrial processing of oils. Unlike naturally derived trans fats, the trans fats that result from hydrogenation consist of many isomers. In food production, liquid cis-unsaturated fats such as vegetable oils are hydrogenated to produce more saturated fats, which have desirable properties:
This likely stems from the fact that seed oils contain linoleic acid, a type of omega-6 fatty acid, that can cause inflammation in the body. "People often [claim] we should be cutting down on ...
In an agricultural context, the toxicity of untreated cottonseed oil may be considered beneficial: Oils, including vegetable oils, have been used for centuries to control insect and mite pests. [64] More recently, cottonseed oil has been used to protect the trunks of apple trees from the apple clearwing moth , which burrows into the trees' bark ...