What does oleic acid do to the body?
Oleic acid may be responsible for the hypotensive ( blood pressure reducing) effects of olive oil that is considered a health benefit. A 2017 review found that diets enriched in oleic acid are beneficial for regulating body weight. The FDA has approved a health claim on reduced risk of coronary heart disease for high oleic (> 70% oleic acid) oils.
Does oleic acid cause dry skin?
Oleic acid is great for replenishing dry, aging skin. It penetrates the skin to moisturize below the skin’s surface. As we age, our skin doesn’t hold as much moisture. That’s what thicker oleic acid oils are great for rehydrating dry or mature skin.
Is olive oil okay for acid reflux?
Someone on an acid reflux diet can use olive oil, says U.S. News. An example of an oil that does trigger acid reflux is mint oil. The only time that oils should be avoided on an acid reflux diet is if they are used to deep-fry foods, U.S. News states. The greasiness and high fat content of fried foods trigger acid reflux and heartburn.
Is vegetable oil an acid or has acid in it?
Vegetable oils are mainly triacylglycerols (92–98%), polar lipids (phospholipids and galactolipids), monoacylglycerols, diacylglycerols, and minor amounts of free fatty acids and polyisoprenoids.
Which oils are highest in oleic acid?
Olive oil and almond oil have the highest oleic acid content, so if you are looking to get more of these omega-9s, add these oils to your salads, sautéed vegetables and sauces. You can also snack on nuts, like macadamia nuts, almonds, hazelnuts and cashews, which have a high percentage of this acid.
What is a good source of oleic acid?
Oleic acid is found in flaxseed oil, borage (a Mediterranean herb) oil, evening primrose oil, olive oil (less in virgin olive oil), pecan oil, canola oil, peanut oil, macadamia oil, sunflower oil, grape seed oil, sea buckthorn oil and sesame oil.
Does coconut oil have oleic acid?
Coconut oil is a rich source of saturated fatty acids, and short- and medium-chain fatty acids account for 70% of these fatty acids (Table 4)....Coconut oil.Common nameFatty acidPercentagePalmitic acid16:07.5–10.5Stearic acid18:01.0–3.2Arachidic acid20:00.2–1.5Oleic acid18:1n-95.0–8.26 more rows
Where is oleic acid commonly found in?
olive oilOleic acid is an omega-9 fatty acid. It can be made by the body. It is also found in foods. Highest levels are found in olive oil and other edible oils.
What fruit is high in oleic acid?
The avocado fruit thrives in a Mediterranean climate, is produced in the region, and is rich in oleic acid and fiber, yet avocados are not commonly consumed within the traditional Mediterranean diet.
Do avocados have oleic acid?
1. Rich in oleic acid, a very healthy fat. Avocado oil is the natural oil pressed from the pulp of an avocado. Almost 70% of avocado oil consists of heart-healthy oleic acid, a monounsaturated omega-9 fatty acid ( 1 , 2 , 3 ).
What's the healthiest oil to cook with?
Oil Essentials: The 5 Healthiest Cooking OilsOlive Oil. Olive oil is popular for a reason. ... Avocado Oil. Avocado oil boasts a lot of the same benefits as extra virgin olive oil, but with a higher smoking point, making it great for sauteing or pan frying. ... Coconut Oil. ... Sunflower Oil. ... Butter.
What kind of oil is good for cholesterol?
Heart-healthy oils like canola, corn, olive, peanut, and sunflower oils contain monounsaturated and polyunsaturated fats. They help to lower harmful low-density lipoprotein (LDL) cholesterol and raise healthy high-density lipoprotein (HDL) cholesterol.
Is avocado saturated or unsaturated fat?
monounsaturatedThe type of fat in an avocado is mainly unsaturated (specifically, monounsaturated), which, when eaten in place of high-saturated-fat foods, can help maintain healthy cholesterol levels. Olive and rapeseed oil are other well-known sources of monounsaturated fats.
What is another name for oleic acid?
cis-9-Octadecenoic acidOleic acidPubChem CID445639StructureFind Similar StructuresChemical SafetyLaboratory Chemical Safety Summary (LCSS) DatasheetMolecular FormulaC18H34O2 or C8H17CH=CH(CH2)7COOHSynonymsoleic acid 112-80-1 cis-9-Octadecenoic acid (Z)-Octadec-9-enoic acid oleate More...3 more rows
Which olive oil has the most oleic acid?
extra virgin olive oilOlive oil is generally higher in oleic acid than other vegetable fats. The range found in extra virgin olive oil is between 55-83%. Our olive oils all exceed 70% Oleic Acid. Extra Virgin Olive Oil high in Oleic Acid has greater resistance to oxidation (which decreases its health benefits and flavor).
Is oleic acid unhealthy?
Negative Heart Health: While a healthy level of oleic acid betters your heart health, consuming too much of this omega-9 fatty acid can lead to the development of some deficiencies. Just like a diet too heavy in trans fats, a diet composed primarily of omega-9s could eventually lead to heart failure.
Is oleic acid better than resveratrol?
Longevity ⇒ Sinclair: oleic acid is 10 to 100 times more potent than resveratrol.
Which olive oil has the most oleic acid?
extra virgin olive oilOlive oil is generally higher in oleic acid than other vegetable fats. The range found in extra virgin olive oil is between 55-83%. Our olive oils all exceed 70% Oleic Acid. Extra Virgin Olive Oil high in Oleic Acid has greater resistance to oxidation (which decreases its health benefits and flavor).
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 butter high in oleic acid?
Butter was 66% saturated fatty acids, of which the main components were palmitic acid C16:0 (28%), stearic acid C18:0 (12%), myristic acid C14:0 (11%); 26% monounsaturated fat, mainly oleic acid C18:1n9 (22%); and 3% polyunsaturated fat, linoleic acid C18:2n6 (2%) and alpha-linolenic acid (1%).
How much oleic acid is in HO seed oil?
HO seed oils contain 70% (percent of total fatty acids in the oil) or higher oleic acid. Currently, seed oils containing about 90% oleic acid are available, i.e. high oleic sunflower oil. An increase in the oleic acid content of oils at the expense of polyunsaturated fatty acids, including linoleic and linolenic acids improve their thermal ...
What is the fatty acid content of HO oil?
In general, HO oils are characterized by their 70% or more oleic acid content. Today, oils from various oilseeds with about 90% oleic acid content, such as sunflower seeds, are available. It is important to note fatty acid percentages shown in Table 1 represent typical compositions rather than absolute values. Fatty acid composition of the seeds are affected not only by the variety or cultivar but also by the agronomic practices used and the climate in which plants are grown. Hence, oil composition may vary slightly even within the same variety/cultivar, depending on the growth conditions.
What is the oleic content of Nusun?
NuSun is the mid-oleic sunflower oil, which contains lower saturated fatty acids (less than 10%) and higher oleic acid (55-75%) than the regular sunflower oil. Linoleic acid content of NuSun is 15-35%. HO oils containing more than 80% oleic acid obtained from modified seeds further enhanced the value of sunflower seed oil for the food industry. ...
What are vegetable oils made of?
Vegetable oils, such as canola, sunflower and soybean oils, are composed of mainly triacylglycerides (TAG) consisting of three fatty acids attached to a glycerol backbone (see fact sheet FAPC-196 Lipid Glossary ). Fatty acid composition of oils determine their physical, chemical and nutritional properties. Unsaturated fatty acids having one or more double bonds on the carbon chain are considered healthier than saturated fatty acids (no double bond). Although unsaturated fatty acids are good for health, their oxidative and thermal stability is lower than that of the saturated fatty acids. Stability of fatty acids decreases as the number of double bonds increases on the molecule. For example, the ratios of the rates of oxidation of oleic acid (one double bond): linoleic acid (two double bonds): linolenic acid (three double bonds) have been reported as 1:10:20, meaning that linoleic and linolenic acids oxidize 10 and 20 times faster than the oleic acid, respectively. Off-flavors and harmful chemical compounds are formed during oil oxidation and degradation. Hence, an oxidized oil with highly unsaturated fatty acid content can be more harmful to human health than a good quality saturated fat or oil (see fact sheet FAPC-197 Edible Oil Quality ).
Why is functional oil important?
Functionality of the oil to be used in a given application is as important as its stability and health profile. For example, although unsaturated liquid oils are healthy, they do not provide the solid content required for desirable texture in baking applications.
What is the refractive index of HO oil?
refractive index of CON-SUN and HO-SUN are 1.472-1.469 and 1.467-1.469 at 25 degrees Celsius , respectively. In general, large oilseed handling and processing companies do not segregate seeds by variety/cultivar.
What is the specific gravity of HO oil?
For example, specific gravity of CON-SUN and HO-SUN at 20 degrees Celsius are 0.918-0.923 and 0.915-0.920.
What is oleic acid used for?
Oleic acid is used to induce lung damage in certain types of animals for the purpose of testing new drugs and other means to treat lung diseases. Specifically in sheep, intravenous administration of oleic acid causes acute lung injury with corresponding pulmonary edema.
What are the fatty acids found in oils?
Instead fatty acids such as oleic acid occur as their esters, commonly triglycerides, which are the greasy materials in many natural oils. Oleic acid is the most common monounsaturated fatty acid in nature. It is found in fats (triglycerides), the phospholipids that make membranes, cholesterol esters, and wax esters.
What is the trans isomer of oleic acid?
The trans isomer of oleic acid is called elaidic acid or trans -9-octadecenoic acid. These isomers have distinct physical properties and biochemical properties. Elaidic acid, the most abundant trans fatty acid in diet, appears to have an adverse effect on health. A reaction that converts oleic acid to elaidic acid is called elaidinization .
What is the lipid number of oleic acid?
In chemical terms, oleic acid is classified as a monounsaturated omega-9 fatty acid, abbreviated with a lipid number of 18:1 cis -9. It has the formula CH 3 (CH 2) 7 CH=CH (CH 2) 7 COOH. The name derives from the Latin word oleum, which means oil. It is the most common fatty acid in nature.
How are fatty acids separated?
In chemical analysis, fatty acids are separated by gas chromatography of their methyl ester derivatives. Alternatively, separation of unsaturated isomers is possible by argentation thin-layer chromatography. In ethenolysis, methyl oleate, the methyl ester of the acid, converts to 1-decene and methyl 9- decenoate: CH.
Which fatty acid is the most abundant in human adipose tissue?
Oleic acid is the most abundant fatty acid in human adipose tissue, and second in abundance in human tissues overall, following palmitic acid .
Is oleic acid a monounsaturated fat?
Oleic acid is a common monounsaturated fat in human diet. Monounsaturated fat consumption has been associated with decreased low-density lipoprotein (LDL) cholesterol, and possibly with increased high-density lipoprotein (HDL) cholesterol, however, its ability to raise HDL is still debated. Presence of a ratio balancing the two types is considered essential for good health and that relationship remains subject to scientific debate as research continues.
What is oleic acid?
Overview. Oleic acid is an omega-9 fatty acid. It can be made by the body. It is also found in foods. Highest levels are found in olive oil and other edible oils. Oleic acid is most commonly used for preventing heart disease and reducing cholesterol. It is also used for preventing cancer and other conditions, but there is no good scientific ...
How much oleic acid is in cooking oil?
Using cooking oils that provide about 20 grams (1.5 tablespoons) of oleic acid in place of dietary fats with higher amounts of saturated fat might reduce the risk of heart disease. But research is limited. High cholesterol. Using cooking oils rich in oleic acid might help lower cholesterol.
Does olive oil cause bladder cancer?
Bladder cancer. People with higher blood levels of oleic acid seem to have a lower risk of bladder cancer. But the amount of oleic acid in the blood can be affected by more than just intake from foods.
Does oleic acid cause ulcerative colitis?
A type of inflammatory bowel disease ( ulcerative colitis ). People who get more oleic acid from their diet might have a lower risk of ulcerative colitis. But not all research agrees.
Does oleic acid affect stroke risk?
Stroke. People with higher blood levels of oleic acid seem to have a lower risk of stroke. But the amount of oleic acid in the blood can be affected by more than just intake from foods. So, it's still unclear if increasing intake of oleic acid from food reduces stroke risk.
Does oleic acid lower the risk of pancreatic cancer?
Pancreatic cancer. People who get more oleic acid from their diet may have a lower risk of pancreatic cancer. But not all research agrees.
Does oleic acid lower cholesterol?
Following a low-fat diet that includes food with oleic acid doesn't seem to lower cholesterol in people with diabetes . Diarrhea. Taking oleic acid might reduce the number of bowel movements in some people with diarrhea. But more research is needed. High blood pressure.
What is the best source of oleic acid?
Olive oil remains the best source of oleic acid – and it’s an easy way to get enough oleic acid each day. But, options like avocado oil, red meat, nuts and seeds are all powerful alternatives. These all contain other beneficial nutrients as well and help reduce inflammation and improve overall health.
How Much Oleic Acid do the Foods Contain?
You may have noticed that we didn’t mention the amount of oleic acid in most of the foods mentioned. This was for two reasons.
Why Consume Oleic Acid?
Oleic acid isn’t strictly needed for survival, so it’s not possible to be deficient in the fatty acid either ( 1 ). But, there are still many advantages to consuming oleic acid regularly.
How Much Oleic Acid Do You Need?
Oleic acid isn’t considered an essential nutrient – so there is no formal recommended dose ( 34 ). But, 1 to 2 tablespoons of any oleic acid rich oil (like olive oil) should be sufficient to provide the various benefits ( 35 ).
How to get enough oleic acid?
This means that you can normally get enough oleic acid by relying on whole foods. Diets like paleo, keto and Mediterranean will also tend to be high in oleic acid, simply because of the foods that they contain. If you are worried about your intake, try adding more avocados or olive oil to your daily diet.
How much oleic acid is in chicken eggs?
Eggs are a surprisingly good source of oleic acid, yet they’re often ignored in discussions of the fat. One estimate suggests that oleic acid makes up between 45% and 48% of the fatty acids in chicken eggs ( 33 ).
What is the role of oleic acid in the body?
For one thing, oleic acid plays a key role in human cells. It helps support cell membranes, plays a role in the immune system and provides energy as well. There are also various health benefits associated with oleic acid. These include :
What Is Oleic acid?
Oleic Acid vs. Linoleic Acid
- The big difference between oleic acid and linoleic acid is that our bodies produce oleic acid, so the need to supplement isn’t as important. In fact, oleic acid is the most abundant fatty acid in nature, and it’s present in most of our cells. There is no specific recommendation for oleic acid and omega-9 fatty acid intake because these fats are considered non-essential, but research show…
Uses and Benefits
- Reduces Blood Pressure
- Lowers Cholesterol
- Promotes Fat Burning
- Helps Prevent Type 2 Diabetes
Foods and Oils
- Knowing that this monounsaturated fat comes with a host of health benefits, you may be wondering what foods are high in oleic acid. Here’s a list of the top 20 foods and oils high in oleic acid and the percentage of the acid that makes up the total fat content: 1. Olive oil: 80 percent 2. Almond oil: 80 percent 3. Hazelnuts: 79 percent 4. Apricot k...
Risks and Side Effects
- Remember that oleic acid is not considered an “essential” fatty acid, like omega-3s and omega-6s, because it can be made by our bodies. So for most people, there’s no need to deliberately consume excessive oleic acid foods and oils. In fact, too much of this acid can be problematic because it can throw off your balance of linoleic acid, an essential omega-6 fatty acid. (15) Whe…
Overview
Oleic acid is a fatty acid that occurs naturally in various animal and vegetable fats and oils. It is an odorless, colorless oil, although commercial samples may be yellowish. In chemical terms, oleic acid is classified as a monounsaturated omega-9 fatty acid, abbreviated with a lipid number of 18:1 cis-9. It has the formula CH3(CH2)7CH=CH(CH2)7COOH. The name derives from the Latin w…
Occurrence
Fatty acids (or their salts) often do not occur as such in biological systems. Instead fatty acids such as oleic acid occur as their esters, commonly triglycerides, which are the greasy materials in many natural oils. Oleic acid is the most common monounsaturated fatty acid in nature. It is found in fats (triglycerides), the phospholipids that make membranes, cholesterol esters, and wax esters.
Triglycerides of oleic acid comprise the majority of olive oil (about 70%). Olive oil exceeding 2% fre…
Production and chemical behavior
The biosynthesis of oleic acid involves the action of the enzyme stearoyl-CoA 9-desaturase acting on stearoyl-CoA. In effect, stearic acid is dehydrogenated to give the monounsaturated derivative, oleic acid.
Oleic acid undergoes the reactions of carboxylic acids and alkenes. It is soluble in aqueous base to give soaps called oleates. Iodine adds across the double bond. Hydrogenation of the double bon…
Related compounds
The trans isomer of oleic acid is called elaidic acid or trans-9-octadecenoic acid. These isomers have distinct physical properties and biochemical properties. Elaidic acid, the most abundant trans fatty acid in diet, appears to have an adverse effect on health. A reaction that converts oleic acid to elaidic acid is called elaidinization.
Another naturally occurring isomer of oleic acid is petroselinic acid.
Uses
Oleic acid is used as a component in many foods, in the form of its triglycerides. It is a component of the normal human diet, being a part of animal fats and vegetable oils.
Oleic acid as its sodium salt is a major component of soap as an emulsifying agent. It is also used as an emollient. Small amounts of oleic acid are used as an excipient in pharmaceuticals, and it is used as an emulsifying or solubilizing agent in aerosol products.
Health effects
Oleic acid is the topmost monounsaturated fat in the human diet. Monounsaturated fat consumption has been associated with decreased low-density lipoprotein (LDL) cholesterol, and possibly with increased high-density lipoprotein (HDL) cholesterol. Oleic acid may be responsible for the hypotensive (blood pressure reducing) effects of olive oil that is considered a health benefit. A 2017 review found that diets enriched in oleic acid are beneficial for regulating body weight.
See also
• Elaidic acid – the corresponding trans isomer
• Oleylamine – the corresponding amine
• Oleamide – the corresponding amide
• Oleyl alcohol – the corresponding alcohol
External links
• FATTY ACIDS: STRAIGHT-CHAIN MONOENOIC (The AOCS Lipid Library)
• 9-octadecenoic acid (NIST Chemistry Webbook)