acid value


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acid value

n
(Chemistry) the number of milligrams of potassium hydroxide required to neutralize the free fatty acid in one gram of a fat, oil, resin, etc
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.acid value - (chemistry) the amount of free acid present in fat as measured by the milligrams of potassium hydroxide needed to neutralize itacid value - (chemistry) the amount of free acid present in fat as measured by the milligrams of potassium hydroxide needed to neutralize it; "as the glycerides in fat slowly decompose the acid value increases"
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
definite quantity - a specific measure of amount
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References in periodicals archive ?
The acid value and the percentage fatty acid were calculated from the expression below:
Thyme oil reduced lipid oxidation as measured by thiobarbituric acid value.
The iodine value, saponification value, unsaponifiable matter, peroxide value and acid value were determined according to standard methods of AOAC (1990).
The properties of oils such as color, melting point, specific gravity, refractive index, viscosity, iodine value, acid value, saponification value, ester value, peroxide value, Richert-Meisal value and unsaponifiable matter differed slightly.
Refractive index, density, specific gravity, surface tension, acid value, free fatty acid value, saponification value, iodine value, colour and peroxide value were carried out.
Acid value, peroxide value, and thiobarbituric acid value: The acid values and peroxide values of chicken fat were determined using the AOAC method [13] and expressed as mg KOH/g and meq/kg, respectively.
Breast cancer (Stages I and II) had a mean sialic acid value not significantly different from the control mean.
Summary: The effects of rosemary extract (RE) and tert-Butylhydroquinone (TBHQ) on the storage stability of radish seed oil were studied according to the change of the acid value, peroxide value, tocopherol and sulforaphene in radish seed oil.
Alkaline catalysed transesterification of vegetable oils is possible only if the acid value of oil is less than 4.
3) High levels of ungrafted acrylic polymer detract from the properties of the modified alkyd and often result in considerable water sensitivity due to the high acid value acrylic polymers.