Oleic Acid

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Related to Oleic Acid: linoleic acid, linolenic acid

oleic acid

[ō′lā·ik ′as·əd]
(organic chemistry)
C17H33COOH Yellowish, unsaturated fatty acid with lardlike aroma; soluble in organic solvents, slightly soluble in water; boils at 286°C (100 mmHg); the main component of olive and cooking oils; used in soaps, ointments, cosmetics, and ore beneficiation. Also known as octadecenoic acid; red oil.

Oleic Acid


CH3(CH2)7CH═CH(CH2)7COOH, a monobasic unsaturated carboxylic acid; a colorless, viscous liquid. Boiling point, 225°–226°C at 1.33 kilonewtons per sq m, or 10 mm of mercury; density, 0.825 g/cm3 at 20°C. Nearly all vegetable oils and animal fats contain oleic acid in triglyceride form. Oleic acid is usually prepared from olive oil, in which its content reaches 70–85 percent. Oleic acid esters are used in the preparation of paints and varnishes and the manufacture of cosmetics and oleyl alcohol; the acid itself and certain esters are also used as plasticizers (for example, in the production of rubber). Oleic acid salts and the salts of other higher fatty acids are soaps.

References in periodicals archive ?
They have always used monounsaturated oleic acid as the filler fatty acid in many dietary recommendations and it now turns out that more does not necessarily mean better.
In the case of later sowing date, the oleic acid content of the oil decreased, while the linoleic acid content increased in the experiments of Unger and Thompson (1982); Gupta et al.
Consequently1,7-hexadecadiene (C16:2) derived from oleic acid and 1-hexadecene (C16:1) derived from stearic acid were obtained in high quantities in all irradiated samples at all doses and can thus be determined as identification marker compounds of gamma irradiation.
However, irradiating at 400 and 500 Gy significantly increased the percentage of oleic acid (C18: 1n9), cis 11, 14-eicosadienoic acid (C20: 2) and cis 11-eicosenoic acid (C20: 1).
Dietary guidelines suggest lowering the intake of dietary cholesterol; diets having higher extents of oleic acid are getting a high degree of acceptance due to its perceived role in the enhancement of beneficial HDL cholesterol.
In monounsaturated fat, oleic acid was obtained in high amounts (Table 4), which is vital in the construction of membranes, being present in the epidermis (outermost skin layer), with the function of protection and barrier against dehydration and also in the formation of hormones (HIRAYAMA et al.
1]) and absorption band of oleic acid (v = 2924 [cm.
A new Spanish peanut variety that packs high levels of healthful oleic acid has been released by Agricultural Research Service scientists and university cooperators.
Chemical characteristics of High oleic acid fraction (HOF) of Moringa oleifera oil (MOO) was compared with sunflower soybean and canola oils.
One of the supplements reviewed was found to lack the omega-6 fatty acid GLA (gamma-linolenic acid) completely, indicating that it didn't contain a plant oil it promised, Another product mislabeled its amount of oleic acid, an omega-9 fatty acid.