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The formula for degree of unsaturation is: = + where n i is the number of atoms with valence v i. [2] That is, an atom that has a valence of x contributes a total of x − 2 to the degree of unsaturation. The result is then halved and increased by 1.
The "degree of unsaturation" is a formula used to summarize and diagram the amount of hydrogen that a compound can bind. Unsaturation can be determined by NMR, mass spectrometry, and IR spectroscopy, or by determining a compound's bromine number or iodine number. [2]
A fatty acid chain is monounsaturated if it contains one double bond, and polyunsaturated if it contains more than one double bond. A saturated fat has no carbon-to-carbon double bonds, so the maximum possible number of hydrogen is bonded to carbon, and thus, is considered to be "saturated" with hydrogen atoms.
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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.
Family 1 includes Stearoyl-CoA desaturase-1 (SCD) (EC 1.14.19.1). [17] Family 2 is composed of: Bacterial fatty acid desaturases. Plant stearoyl-acyl-carrier-protein desaturase (EC 1.14.19.1), [18] an enzyme that catalyzes the introduction of a double bond at the delta-9 position of steraoyl-ACP to produce oleoyl-ACP. This enzyme is responsible ...
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Degree of unsaturation; Saturated fat or saturated fatty acid; Unsaturated fat or unsaturated fatty acid; Non-susceptibility of an organometallic compound to oxidative addition; Saturation of protein binding sites; Saturation of enzymes with a substrate; Saturation of a solute in a solution, as related to the solute's maximum solubility at ...