It's no secret that social media can spread conflicting information, especially in the realm of nutrition. As you scroll through various posts, you encounter a barrage of opinions—often lacking credibility. Among these debates, the olive oil versus canola oil discussion stands out. Are we misled about canola oil's effects? Let's clarify the facts.

Featured image by Michelle Nash.

What is canola oil?

When you visit your local grocery store, it's likely that many prepared dishes have been cooked with canola oil. This oil is ubiquitous, found in everything from salad dressings to baking products. Its neutral taste and high smoke point make it ideal for various cooking methods. Derived from the genetically modified rapeseed plant, canola oil is a major export for Canada.

How is canola oil produced?

The process of extracting oil from canola seeds shares similarities with other industrial oils. Initially, the seeds are cleaned and then heated and flaked to maximize oil release. Following this, they are rolled to rupture the seed, subjected to heating drums, and treated with chemicals to enhance color before reaching consumers.

Advantages and Disadvantages of Canola Oil

While many agree that canola oil isn't the healthiest choice, moderation is key. Let's break down the pros and cons.

1. Versatile cooking option

With its mild flavor and high smoke point, canola oil is one of the most adaptable oils for cooking. It works well in a variety of dishes, from sauces to marinades, without altering the dish's taste significantly.

2. Low in saturated fat

A 2011 study found that consuming canola oil may help lower cholesterol levels compared to oils high in saturated fats. However, newer research challenges these claims.

3. Mostly genetically modified

Canola, like corn, has been genetically modified for better resistance against pests and herbicides. While deemed safe by many food manufacturers, concerns linger about its long-term effects on health and the environment.

4. May promote inflammation

Canola oil is high in omega-6 polyunsaturated fats. While some omega-6s are necessary, excessive intake can lead to systemic inflammation, which is linked to various chronic diseases.

5. Potential memory issues

Research on animals suggests that canola oil could negatively affect memory. In one study, mice on a canola-rich diet showed notable memory deterioration. A human study also indicated that those consuming extra-virgin olive oil exhibited better cognitive function than those consuming refined oils.

Is canola oil harmful?

Opinions vary. The FDA states that it is not harmful, yet substantial research suggests otherwise. A balanced, minimally processed diet should alleviate concerns about any single ingredient, including canola oil. While it lacks nutrients and may increase inflammation, stressing over every food choice can be equally detrimental.

What is olive oil?

Before concluding the canola oil versus olive oil debate, let's examine olive oil, often referred to as liquid gold. Extracted from whole olives, this oil has been a staple in Mediterranean cuisine and is also widely used in cosmetics and soaps.

Health Benefits of Olive Oil

Compared to canola oil, olive oil offers numerous health benefits. It plays a vital role in the Mediterranean diet, linked to longevity and lower rates of chronic diseases. Extra-virgin olive oil can reduce inflammation, enhance insulin sensitivity, lower blood pressure, and more. It's best used for dressings and dips, but be wary of olive oil fraud. Here's how to choose quality olive oil.

Can you consume olive oil daily?

Absolutely! Research suggests that those who consume over half a tablespoon of olive oil daily, alongside a balanced diet, have a lower risk of heart disease, cancer, and neurodegenerative conditions. Olive oil is rich in antioxidants, polyphenols, and heart-healthy fats, making it a smart addition to your diet.

Olive Oil Fraud

Beware, not all olive oil is genuine. Approximately 70% of olive oil is counterfeit. Due to high production costs, many products claiming to be extra-virgin are diluted or fake, making olive oil one of the most adulterated foods globally.

Identifying Inferior Olive Oil

Quality olive oil should be rich in flavor, much like fine wine. To test, taste it directly from the bottle. If it lacks flavor or has a plastic-like taste, it's likely low quality. Good oil should taste fresh and have a peppery finish.

Canola oil vs olive oil: which is healthier?

Given their different culinary uses, both oils could have a place in your kitchen. However, prioritizing organic options, especially for canola oil, can reduce chemical exposure. Overall, olive oil stands out as the healthier choice, offering heart benefits and antioxidants. While canola oil may be more affordable, olive oil is the better pick. Use canola oil sparingly, but choose olive oil when possible.