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Kristina Petersen, Kevin C. Maki, Philip C. Calder, Martha A. Belury, Mark Messina, Carol F Kirkpatrick +1 more
British Journal Of Nutrition
Epidemiological and clinical trial evidence indicates that <i>n</i>-6 polyunsaturated fatty acid (PUFA) intake is cardioprotective. Nevertheless, claims that <i>n</i>-6 PUFA intake promotes inflammation and oxidative stress prevail. This narrative review aims to provide health professionals with an up-to-date evidence overview to provide the requisite background to address patient/client concerns about oils containing predominantly unsaturated fatty acids (UFA), including MUFA and PUFA. Edible plant oils, commonly termed vegetable oils, are derived from vegetables, nuts, seeds, fruits and cereal grains. Substantial variation exists in the fatty acid composition of these oils; however, all are high in UFA, while being relatively low in saturated fatty acids (SFA), except for tropical oils. Epidemiological evidence indicates that higher PUFA intake is associated with lower risk of incident CVD and type 2 diabetes mellitus (T2DM). Additionally, replacement of SFA with PUFA is associated with reduced risk of CVD and T2DM. Clinical trials show higher intake of UFA from plant sources improves major CVD risk factors, including reducing levels of atherogenic lipids and lipoproteins. Importantly, clinical trials show that increased <i>n</i>-6 PUFA (linoleic acid) intake does not increase markers of inflammation or oxidative stress. Evidence-based guidelines from authoritative health and scientific organisations recommend intake of non-tropical vegetable oils, which contain MUFA and <i>n</i>-6 PUFA, as part of healthful dietary patterns. Specifically, vegetable oils rich in UFA should be consumed instead of rich sources of SFA, including butter, tallow, lard, palm and coconut oils.
4 claims extracted from this paper into the knowledge graph
n-6 polyunsaturated fatty acid (PUFA) intake is associated with lower risk of incident CVD and type 2 diabetes mellitus (T2DM)
“Epidemiological evidence indicates that higher PUFA intake is associated with lower risk of incident CVD and type 2 diabetes mellitus (T2DM).”
increased n-6 PUFA (linoleic acid) intake does not increase markers of inflammation or oxidative stress
“Importantly, clinical trials show that increased n-6 PUFA (linoleic acid) intake does not increase markers of inflammation or oxidative stress.”
replacement of SFA with PUFA is associated with reduced risk of CVD and T2DM
“Additionally, replacement of SFA with PUFA is associated with reduced risk of CVD and T2DM.”
higher intake of UFA from plant sources improves major CVD risk factors
“Clinical trials show higher intake of UFA from plant sources improves major CVD risk factors, including reducing levels of atherogenic lipids and lipoproteins.”