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In biochemistry and nutrition, a polyunsaturated fat is a fat that contains a polyunsaturated fatty acid (abbreviated PUFA), which is a subclass of fatty acid characterized by a backbone with two or more carbon–carbon double bonds. [1] [2] Some polyunsaturated fatty acids are essentials.
Monounsaturated fats are found in animal flesh such as red meat, whole milk products, nuts, and high fat fruits such as olives and avocados. Algal oil is about 92% monounsaturated fat. Olive oil is about 75% monounsaturated fat. [10] The high oleic variety sunflower oil contains at least 70% monounsaturated fat. [11]
Saturated fat (g) Monounsaturated fat (g) Polyunsaturated fat (g) Smoke point; Butter [1] 81 51 21 3 150 °C (302 °F) [2] Canola oil [3] 100 6–7 62–64 24–26
These include polyunsaturated and monounsaturated fats, which are "good" fats. The goal is to consume more good fats and fewer “bad” or unhealthy fats (saturated and trans fats), per the ...
An unsaturated fat is a fat or fatty acid in which there is at least one double bond within the fatty acid chain. A fatty acid chain is monounsaturated if it contains one double bond, and polyunsaturated if it contains more than one double bond.
Crotonic acid has 4 carbons, is included in croton oil, and is a trans-2-mono-unsaturated fatty acid.C 3 H 5 CO 2 H, IUPAC organization name (E)-but-2-enoic acid, trans-but-2-enoic acid, numerical representation 4:1, n-1, molecular weight 86.09, melting point 72–74 °C, boiling point 180–181 °C, specific gravity 1.027.
On the flip side, extra virgin olive oil is packed with poly- and mono-unsaturated fat, which have a more desirable effect on blood lipids. Whichever cooking method you choose, remember that ...
A 2015 study that tracked more than 120,000 adults for 24 to 30 years found that people who replaced 5% of their calories from saturated fats with whole grains or unsaturated fats had a lower risk ...