Sunflower oil is available in three completely different types: high-oleic, mid-oleic, and linoleic oil. Variations in these oils lie inside their fatty acid profile. Oleic acid is a kind of monounsaturated fatty acid (or MUFA) whereas linoleic acid is a kind of omega-6 polyunsaturated fatty acid (or PUFA). So a high-oleic sunflower oil has a excessive MUFA profile, whereas a linoleic sunflower oil is predominantly composed of omega-6 PUFAs. So which is the only option?
The healthiest sunflower oil is the high-oleic acid selection. “Oleic acid is an omega-9 fatty acid that has been related to improved coronary heart well being—particularly, diminished ldl cholesterol and diminished irritation,” explains mbg Collective member and registered dietitian Jess Cording, M.S., R.D., CDN. “Linoleic acid is an omega-6 fatty acid. Whereas we want some omega-6, an excessive amount of has been related to elevated irritation within the physique.”
These variations in well being outcomes are linked to the fatty acid’s potential to withstand oxidative injury throughout refining and cooking. Why does that matter? Effectively, oil that experiences important injury can in the end drive unhealthy processes within the physique resembling oxidative stress and irritation, doctor Cate Shanahan, M.D., a revered authority on vegetable and seed oils and creator of The Fatburn Repair beforehand informed mindbodygreen. And omega-6 PUFAs, like linoleic sunflower oil, are extra readily oxidized than PUFAs.
TL;DR: So, though linoleic sunflower oil could also be the commonest, it’s high-oleic oil try to be reaching for. (And for a deeper dive on the nuance of sunflower oil, try our information.)