Oleic acid
| PubChem CID | 445639 |
|---|---|
| Structure | Find Similar Structures |
| Chemical Safety | Laboratory Chemical Safety Summary (LCSS) Datasheet |
| Molecular Formula | C18H34O2 or C8H17CH=CH(CH2)7COOH |
| Synonyms | oleic acid 112-80-1 cis-9-Octadecenoic acid oleate (Z)-Octadec-9-enoic acid More… |
What is a 9 octadecenoic acid?
Description. An unsaturated fatty acid that is the most widely distributed and abundant fatty acid in nature. It is used commercially in the preparation of oleates and lotions, and as a pharmaceutical solvent. ( Stedman, 26th ed)
What is oleic acid used for?
Oleic acid is a type of fatty acid. Oils with oleic acid are used to replace saturated fats in the diet. Oleic acid might improve heart conditions by lowering cholesterol and reducing inflammation.
Which of the following fatty acids shows a cis 9 octadecenoic acid?
Oleic acid Oleic acid (cis-9-octadecenoic acid) is an omega-nine fatty acid and has the formula C18H34O2 (CH3(CH2)7CHCH(CH2)7COOH) (Figure 153.3).
What does oleic acid do for skin?
As an anti-inflammatory substance that stimulates wound healing, oleic acid can also help calm, balance and help repair skin, even those with damaged conditions like eczema, rosacea and psoriasis. Oleic acid also contains compounds that reinforce the integrity of cell membranes.
Is oleic acid harmful?
Adverse effects have been documented in some research of oleic acid, however, since both oleic and monounsaturated fatty acid levels in the membranes of red blood cells have been associated with increased risk of breast cancer, although other research indicates that the consumption of the oleate in olive oil has been …
Are Eladic and oleic acid are isomers?
– Elaidic acid is an isomer of oleic acid and has the double bond in trans-configuration.
How is elaidic acid different from oleic acid?
The key difference between oleic acid and elaidic acid is that oleic acid occurs in the liquid phase, whereas elaidic acid occurs in the solid form. … Both these are unsaturated fatty acids because they have a double bond at the middle of the carbon chain. Oleic acid and elaidic acid are cis-trans isomers of each other.
Is oleic acid Omega-9?
Oleic acid is a mono-unsaturated omega-9 fatty acid found in various animal and vegetable sources. Triglyceride esters of oleic acid comprise the majority of olive oil. Oleic acid is used as an excipient in pharmaceuticals and as an emulsifying or solubilizing agent in aerosol products.
What happens when you add oleic acid to water?
The polar end of the oleic acid molecule is attracted to polar water molecules. The nonpolar end of the oleic acid molecule is hydrophobic. As a result, when a drop of an oleic acid solution is placed on the surface of water, the oleic acid molecules form a thin layer as alcohol evaporates.
Does coconut oil contain oleic acid?
The major fatty acids of coconut oil are medium-chain fatty acids. … Coconut oil.
| Common name | Fatty acid | Percentage |
|---|---|---|
| Stearic acid | 18:0 | 1.0–3.2 |
| Arachidic acid | 20:0 | 0.2–1.5 |
| Oleic acid | 18:1n-9 | 5.0–8.2 |
| Linoleic acid | 18:2n-6 | 1.0–2.6 |
What are examples of polyunsaturated fatty acids?
The two types of polyunsaturated fats are omega-3 and omega-6 fatty acids. Omega-3 fatty acids are found in foods from plants like soybean oil, canola oil, walnuts, and flaxseed. They are also found in fatty fish and shellfish as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA).
What type of fat is omega 9?
Omega-9 fatty acids are monounsaturated, meaning they only have one double bond. It’s located nine carbons from the omega end of the fatty acid molecule. Oleic acid is the most common omega-9 fatty acid and the most common monounsaturated fatty acid in the diet ( 35 ).
Is arachidic acid saturated or unsaturated?
Arachidic acid, also known as icosanoic acid, is a saturated fatty acid with a 20-carbon chain.
Where do I find linoleic acid?
Linoleic acid is the predominant n-6 polyunsaturated fatty acid (PUFA) in the Western diet and we can obtain it from vegetable oils such as sunflower, safflower, soybean, corn, and canola oils as well as nuts and seeds.
What are the 3 essential fatty acids?
The three main omega-3 fatty acids are alpha-linolenic acid (ALA), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA). ALA is found mainly in plant oils such as flaxseed, soybean, and canola oils.
Why is linoleic acid CIS?
Linoleic Acid (also called cis,cis,-9,12-octadecadienoic acid) is an example of a poly-unsaturated fatty acid, due to the presence of two C=C double bonds. … The word linoleic comes from the Greek word linon (flax), and oleic meaning relating to or derived from oil.
Is oleic acid good for face?
Best face oils for dry skin Facial oils that are high in oleic acid have the most benefits for skin that’s dry. Oleic acid is the most abundant fatty acid in moringa oil, making up almost 75% of its fatty acid content.
Is oleic acid good for acne?
The best-known oil high in oleic acid is olive oil. Rich in omega–9s (which are non-essential because the body can make them), oleic acids are best known for their hydrating and anti-inflammatory properties, but they can be pore clogging for those with oily, acne-prone, or even combination skin.
Is oleic acid an AHA or BHA?
Lactic acid could be a good option for people with especially sensitive skin because it’s one of the most hydrating AHAs. Or, look for fatty acids like linoleic or oleic acid (which are not AHAs) that hydrate the skin and strengthen the skin’s natural barrier.
What are the benefits of omega 9?
The report indicates that dietary monounsaturated fatty acids (MUFA), such as omega-9s, are associated with improved blood lipids related to both cardiovascular disease and type 2 diabetes when used as a replacement for dietary saturated fat.
Why is oleic acid bad for skin?
In contrast, oleic acid is detrimental to skin barrier function [48]. Oleic acid causes barrier disruption and eventually induces dermatitis under continuous topical application [48].
How much oleic acid do you need per day?
“Daily consumption of edible oil with at least 10 grams of oleic acid per serving (one tablespoon) reduces the risk of coronary heart disease.
Why is Vaccenic acid an acid?
Vaccenic acid is a naturally occurring trans fatty acid. It is the predominant kind of trans-fatty acid found in human milk, in the fat of ruminants, and in dairy products such as milk, butter, and yogurt. … Vaccenic acid.
| Names | |
|---|---|
| Melting point | 44 °C (111 °F) |
| Boiling point | 172 °C (342 °F) |
What type of fatty acid is elaidic acid?
oleic acid trans Elaidic acid (EA) is an oleic acid trans isomer (trans-9-18:1). It is the predominant trans fatty acid in the Western diet. EA is found in margarine, partially hydrogenated vegetable oils, and fried foods.
What is the melting point of elaidic acid?
44.5-45.5 °C In purified form it is a white crystalline fatty acid insoluble in water, with melting point at 44.5-45.5 °C (112.1-113.9 °F; 317.65-318.65 K) and boiling point at 288 °C (550.4 °F; 561.15 K) at 100 mm Hg.
Is elaidic acid solid or liquid?
Elaidic acid is a chemical compound with the formula C18H34O2, specifically the fatty acid with structural formula HO(O=)C–(CH2–)7CH=CH–(CH2–)8H, with the double bond (between carbon atoms 9 and 10) in trans configuration. It is a colorless oily solid. Its salts and esters are called elaidates.
Is elaidic acid liquid at room temperature?
Because it is polyunsaturated, it is liquid at room temperature. If you would like to solidify it and turn it into margarine, what you do is hydrogenate it. That is, you saturate it with hydrogen by breaking the carbon double bonds and attaching hydrogen.
Why does elaidic acid have a higher melting point than oleic acid?
Elaidic acid is a trans fatty acid, and the carbon chains can pack together almost as tightly as those of the saturated stearic acid. Oleic acid is a cis fatty acid, and the bend in the hydrocarbon chain keeps these carbon chains from packing as closely together; fewer interactions lead to a much lower melting point.
Graduated from ENSAT (national agronomic school of Toulouse) in plant sciences in 2018, I pursued a CIFRE doctorate under contract with Sun’Agri and INRAE in Avignon between 2019 and 2022. My thesis aimed to study dynamic agrivoltaic systems, in my case in arboriculture. I love to write and share science related Stuff Here on my Website. I am currently continuing at Sun’Agri as an R&D engineer.