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Cooking Oils That Aren't Harmful When Heated

March 30, 2023

Cooking Oils That Aren't Harmful When Heated

Cooking oil is mostly fat from various sources. Oils like vegetable, nut, and olive oils are healthy, but they should be used for different applications.  The norm for most cooking has been olive or vegetable oils because of their familiarity, but olive and vegetable oils are NOT the best oils for cooking. Why?

Oils On High Heat

When cooking food on a medium-high to high heat, vegetable and olive oils will oxidize.  Oxidization means the oil spoils. When oxidation occurs, free radicals form. Free radical formation at a high rate is unhealthy. If free radicals are produced at levels higher than normal, then a myriad of negative reactions or illness can occur.

Health Effects of Heating

When you heat vegetable and olive oils, they can create lipid oxidation products which can lead to atherosclerosis, arthritis, cardiovascular disease, disease of digestive tract, and cancer.  Evidence has not been linked to humans, but animal studies have shown all the above when exposed to lipid oxidation products.

Lipid oxidation product exposure hasn’t been extensively studied; thus, it’s hard to know how much lipid oxidation is harmful.  To optimize your health, choose cooking oils with high amounts of saturated fats and very low levels or trans or polyunsaturated fats. Let’s make it simple.

The Cooking Oil Guide

Searing (400 degrees Fahrenheit and above)

  • Palm Oil. Harvesting palm oil has received criticism due to deforestation and wildlife concerns. Don't buy it.
  • Refined Coconut Oil

Sauteing (approximately 300 degrees Fahrenheit)

  • Natural Butter (grass fed)
  • Coconut Oil
  • Lard

Cold Applications Only

  • Olive oil is great for dressings and finishing foods.
  • Vegetable oil

Dr. Garrett is the founder of Core Chiropractic in Birmingham, AL. While most health care is focused on temporary relief, the staff at Core Chiropractic focus on creating solutions to a wide spectrum of health conditions. Connect with Dr. Garrett at (205) 440-2121or via online form.

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