Unsaturated fatty acids generally have double bonds that are in the cis, rather than the trans, configuration has a 30° bend in the molecule.
An aliphatic carboxylic acid having either a saturated or unsaturated aliphatic chain is referred to as a fatty acid. An unbranched chain with an even number of carbon atoms, ranging from 4 to 28, makes up the majority of naturally occurring acids. In some species, such as microalgae[2], fatty acids make up a significant portion of the lipids (up to 70% by weight), whereas in other creatures, they are present as one of the three main groups of esters: triglycerides, phospholipids, or cholesteryl esters. acids play crucial roles as both nutritional fuel for animals and crucial cell structure elements in either of these forms.
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