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A comment on Replacing butter with vegetable oils does not cut heart disease risk (2016). Parent comment

Re:Replacing butter with vegetable oils does not cut heart d... by zenon on Monday February 13, 2017 @05:44AM (#13634373)
Trans fat from partially hydrogenated vegetable oil is (mostly) Elaidic acid, which is probably harmful. Butter contains other trans fats, like Vaccenic acid. We don't know much about the long-term health effects of Vaccenic acid.
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Re:Replacing butter with vegetable oils does not cut heart d... by Xdafjgneoiwe on Monday February 13, 2017 @06:52AM (#13634618)
"Published data suggest that all fatty acids with a double bond in the trans configuration raise the ratio of plasma LDL to HDL cholesterol."

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2830458/

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