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[10] According to a 2009 review by the American Heart Association, instead of avoiding ω-6 fats, the ω-6:ω-3 ratio should be decreased by consuming more ω-3 fats. The conversion rate of linoleic acid (LA) into arachidonic acid is very low with a diet high in linolenic acid. [11] The maximum ω-6:ω-3 ratio allowed in dog food by the AAFCO ...
HLB scale showing classification of surfactant function. The hydrophilic–lipophilic balance (HLB) of a surfactant is a measure of its degree of hydrophilicity or lipophilicity, determined by calculating percentages of molecular weights for the hydrophilic and lipophilic portions of the surfactant molecule, as described by Griffin in 1949 [1] [2] and 1954. [3]
It has been observed that Wijs/ Hanuš method gives erratic values of IV for some sterols (i.e. cholesterol) and other unsaturated components of insaponifible fraction. [9] The original method uses pyridine dibromide sulfate solution as halogenating agent and an incubation time of 5 min. [ 10 ]
The position of the carbon-carbon double bonds in carboxylic acid chains in fats is designated by Greek letters. [1] The carbon atom closest to the carboxyl group is the alpha carbon, the next carbon is the beta carbon and so on.
Ice cream contains at least 10% fat; Frozen custard, like ice cream, contains at least 10% fat, but it also must contain at least 1.4% egg yolk solids; Creams. Half and half contains 10.5–18% fat; Light cream and sour cream contain 18–30% fat; Light whipping cream (often called simply "whipping cream") contains 30–36% fat
Example of saponification reaction of a triglyceride molecule (left) with potassium hydroxide (KOH) yielding glycerol (purple) and salts of fatty acids ().. Saponification value or saponification number (SV or SN) represents the number of milligrams of potassium hydroxide (KOH) or sodium hydroxide (NaOH) required to saponify one gram of fat under the conditions specified.
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It is also called n-octanol-water partition ratio. [2] [3] [4] K ow serves as a measure of the relationship between lipophilicity (fat solubility) and hydrophilicity (water solubility) of a substance. The value is greater than one if a substance is more soluble in fat-like solvents such as n-octanol, and less than one if it is more soluble in ...