Blog Nutrition Canola Oil Vs Olive Oil: Which Is Healthier?

Canola Oil Vs Olive Oil: Which Is Healthier?

When it comes to cooking oils, there is no shortage of choices. Healthy eaters can choose from a variety of cooking oils, each with its own nutritional properties and flavor enhancements. There are many factors to consider when choosing an oil: Does it have a high smoke-point? Is it organic or extra-virgin? What about the other ingredients in the oil — what additives, if any, are included? This can make it difficult to select a good cooking oil.

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One of the most popular choices is olive oil; another is canola oil. But what exactly do these oils have to offer and which one is healthier? Here are the key points you need to know about choosing between canola and olive oil:

What Is Canola Oil?

Canola (Brassica napus L.) is an oilseed crop that was created through plant crossbreeding. The word “canola” is a portmanteau of the words “Canada” and “oil.” Canola oil is produced  from canola seeds, which were engineered to contain very low levels of erucic acid, glucosinolates (mustard oil glycosides), and other undesirable components.

Canola oil is considered one of the healthiest cooking oils by researchers because it has a high smoke-point, contains monounsaturated fats, and provides omega-3 fatty acids.

What Is Olive Oil?

Olive oil is made from pressing whole olives. The quality categories are extra virgin, virgin, pure, or simply refined. The color of olive oil can vary from green to golden yellow.

Extra virgin olive oil is the highest grade olive oil, having low acidity and excellent taste, aroma, and color. It’s also cold-pressed which means it comes from the first pressing of olives, usually within 24 hours of harvesting for maximum freshness and nutritional benefit. In comparison to other cooking oils, it is lower in calories due to its high monounsaturated fat content.

Read More: Canola Oil Vs Vegetable Oil Facts, Calories, Health Benefits And Side Effects

canola oil vs olive oil

Canola Oil Nutrition Facts And Olive Oil Nutrition Facts

One tablespoon (15 ml) of canola oil delivers (3):

  • Calories: 124
  • Saturated fat: 7% of total calories
  • Monounsaturated fat: 64% of total calories
  • Polyunsaturated fat (PUFA): 28% of total calories. 
  • Vitamin E: 12% of the Reference Daily Intake (RDI)
  • Vitamin K: 12% of the RDI
  • Aside from vitamins E and K, canola oil is devoid of vitamins and minerals.

A tablespoon (about 15ml) of regular (refined) olive oil contains the following nutrients (10):

  • Calories: 119
  • Saturated fat: 14% of total calories
  • Monounsaturated fat: 73% of total calories (mostly oleic acid)
  • Polyunsaturated fat (PUFA): 11% of total calories
  • Vitamin E: 13% of the Reference Daily Intake (RDI)
  • Vitamin K: 7% of the Reference Daily Intake (RDI)

In terms of nutrients, canola and olive oil are quite similar. That said, olive oil contains more saturated and monounsaturated fat, whereas canola oil contains more polyunsaturated fat.

These fats have different benefits and risks:

canola oil vs olive oil

Saturated Fats

Some studies show that replacing saturated fats with unsaturated fats can lower the risk of cardiovascular disease (CVD) (17). Other research suggests that not all saturated fats should be avoided (16).

It’s worth noting that not all types of olive oil have the same characteristics. Extra-virgin olive oil contains a lower concentration of saturated fats than both regular olive oil and canola oil. 

Monounsaturated Fat

Studies suggest this kind of fat may help decrease LDL cholesterol levels, which might reduce the risk of CVD (16). 

Polyunsaturated Fat

Research suggests that high consumption of polyunsaturated fats (PUFA)  from canola oil is associated with inflammation and oxidative stress, which are risk factors for heart disease. Thus, replacing saturated fats with PUFA from canola oil might not be as beneficial as initially believed (16).

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canola oil vs olive oil

Health Benefits Of Canola Oil Vs Olive Oil

Both of these oils are beneficial for your health in the following ways:

Heart Health

Canola oil is higher in omega-3 fatty acid alpha-linolenic acid (ALA) than any other oil except flaxseed oil. As your body can’t make ALA, so it needs to get ALA from your diet.

Omega-3 fatty acids are associated with a lower risk of heart disease. Canola oil also contains monounsaturated fat, which can decrease the risk of heart disease by reducing bad LDL cholesterol levels in the body without lowering good HDL cholesterol levels (11).

Canola oil is rich in vitamin E, a vitamin with antioxidant properties. Antioxidants can protect the cells from free-radical damage and reduce the risk of chronic diseases (19).

These qualities make canola oil a great substitute for oils which are high in saturated fat. In particular, it’s a better choice than butter, lard (pork fat), palm oil, and coconut oil because they contain large amounts of saturated fats.

Extra virgin olive oil is high in antioxidants, which can protect cells from damage caused by free radicals. The phenolic compounds in extra-virgin olive oil have been shown to reduce inflammation and blood pressure. It may also help improve bad LDL cholesterol levels while maintaining good HDL cholesterol levels (18). 

Bone Health

Both canola and extra-virgin olive oil are good sources of vitamin K, a vitamin required for normal bone growth (20). Olive oil contains oleic acid as well as squalene, a compound known to protect bones from damage caused by free radicals.

canola oil vs olive oil

Lower Risk Of Cancer

This benefit is experienced in a greater way among those who regularly consume extra virgin olive oil that’s high in antioxidants.

Olive oil contains numerous antioxidants, including oleuropein, tyrosol, hydroxytyrosol, and elenolic acid. These compounds have been shown to fight oxidative stress that can cause DNA damage and ultimately lead to cancer development (15).

Some studies also suggest that olive oil may prevent breast cancer in postmenopausal women by inhibiting aromatase, an enzyme that converts androgens into estrogens (15).

Help Preserve Brain Function

Alzheimer’s disease is the world’s most common neurodegenerative disease and a leading cause of dementia. According to findings from animal studies, some compounds in extra virgin olive oil could prevent buildup of certain proteins involved in Alzheimer’s disease (7).

More research is needed to determine whether extra virgin olive oil could help prevent the condition or improve symptoms in humans, however.

Canola oil contains a mix of omega-3 and omega-6 fatty acids, both of which are important for brain health (2). 

Reduce Risk Of Diabetes 

Studies suggest that unsaturated fats, such as those found in canola oil and extra virgin olive oil, may reduce insulin resistance and lower the risk of type 2 diabetes (6).

Read More: Olive Oil Diet For Weight Loss And Other Health Benefits

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Side Effects Of Canola Oil Vs Olive Oil

Both of these oils have side effects, but canola has more than olive oil. 

Side Effects Of Canola Oil

There are several reasons why you may want to avoid using canola oil:

High Amounts Of Omega-6 Fatty Acids

Canola oil is very high in omega-6 fatty acids, which can promote inflammation when consumed in large amounts. Systemic inflammation causes damage to blood vessels, which can raise your risk of cardiovascular disease (12).

High Amounts Of Polyunsaturated Fat

Canola oil contains a lot of polyunsaturated fat. The problem with this type of fat is that it easily gets oxidized when exposed to heat or light, which affects the oil’s stability and increases the risk of free-radical damage. Free-radical damage is a major contributor to chronic diseases (13).

Most Canola Oil Is Genetically Modified

In the past 20 years, there has been a surge in genetically modified organisms (GMOs). In fact, as many as 80 percent of processed foods on grocery store shelves contain GMOs (9).

GMO crops have been engineered to have certain traits, such as resistance to herbicides and pesticides. Some studies suggest that GMO crops use more chemicals than non-GMO crops (8).

Canola oil is a GMO crop-derived oil and has therefore been linked to this health concern.

Allergic Reaction To Canola Oil

People who know they’re allergic to canola may experience itchiness and hives, as well as breathing problems such as asthma (4). 

Potential Heart Damage

Canola oil may contain trace amounts of erucic acid, a fatty acid that causes heart damage in lab animals (14). While the amount of erucic acid in canola oil is small enough not to cause harm to people, more studies are needed to confirm these findings.

High Consumption Of Canola Oil May Negatively Impact Memory

Researchers have found that when mice with symptoms of Alzheimer’s disease consumed canola oil per day over a six month period, it negatively impacted their memory and learning abilities (5). More studies are needed to determine if the same would happen in humans, however.

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Side Effects Of Olive Oil

Olive oil is considered safe for most individuals when used in the amounts normally found in foods. People who are allergic to olive oil may experience itching, hives, swelling, as well as breathing problems such as asthma. As it is also high in calories, moderate consumption is recommended (1).

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Canola Oil Vs Olive Oil: Taste Test

Both canola oil and extra-virgin olive oil are good for cooking because they are stable at high oven temperatures.

Extra-virgin olive oil has a lower smoking point, however. So it’s best to use extra-virgin olive oil only when cooking at low or medium oven temperatures or sauteing ingredients over very low heat.

Canola oil is the better choice for baking, frying, and other high-heat cooking methods.

Extra virgin olive oil has a slightly more intense flavor than canola oil. However, as long as you store your extra virgin olive oil in a cool dark place to keep its antioxidants from degrading, the two oils will be equally flavorful over time. 

Canola Oil Vs Olive Oil: Which Is Better?

There’s no clear winner between canola and olive oil — it all depends on your needs. If you’re looking for the healthiest cooking oil, we suggest limiting saturated fat and opting for extra virgin olive oil (EVOO) instead of regular (refined) olive oils. The high smoke point of canola oil makes it a better choice for cooking, especially baking, frying or sauteing.

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DISCLAIMER:

This article is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional advice or help and should not be relied on to make decisions of any kind. Any action you take upon the information presented in this article is strictly at your own risk and responsibility!

SOURCES:

  1. Analysis of olive allergens (2012, pubmed.gov)
  2. Brain Health across the Lifespan: A Systematic Review on the Role of Omega-3 Fatty Acid Supplements (2018, nih.gov)
  3. Canola Oil (2020,usda.gov)
  4. Canola Oil Allergy Symptoms and Diagnosis (2016, allergy-symptoms.org)
  5. Canola oil linked to worsened memory and learning ability in Alzheimer’s (2017, sciencedaily.com)
  6. Effect of lowering the glycemic load with canola oil on glycemic control and cardiovascular risk factors: a randomized controlled trial (2014, pubmed.gov)
  7. Extra-virgin olive oil for potential prevention of Alzheimer disease (2019, pubmed.gov)
  8. GMOs and Pesticides: Helpful or Harmful? (2015, harvard.edu)
  9. National Survey Shows Americans Are In The Dark Regarding Genetically Modified Foods (2005, sciencedaily.com)
  10. Oil, olive, salad or cooking (2019, usda.gov)
  11. Omega-3 Fatty Acids and Heart Health (2015, ahajournals.com)
  12. Omega-6 fatty acids and inflammation (2018, pubmed.gov)
  13. Oxidation of Polyunsaturated Fatty Acids And Its Impact on Food Quality And Human Health (2015, openventio.org)
  14. Relationship between erucic acid and myocardial changes in male rats (1976, pubmed.gov)
  15. Research Suggests Olive Oil Linked to Lower Breast Cancer Risk, but There Are Questions About Study (2015, breastcancer.org)
  16. The truth about fats: the good, the bad, and the in-between (2019, harvard.edu)
  17. Unsaturated Fats, High-Quality Carbs Lower Risk of Heart Disease (2015, acc.org)
  18. Virgin Olive Oil and Health: Summary of the III International Conference on Virgin Olive Oil and Health Consensus Report, JAEN (Spain) 2018 (2019, nih.gov)
  19. Vitamin E (2021, nih.gov)
  20. Vitamin K and bone health (2001, pubmed.gov)
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