Study Coconut Oil Increases Cholesterol, Corn Oil Lowers It

Wednesday, February 28th, 2018 | 1597 Views

A recent study has found that corn oil lowers cholesterol compared with coconut oil. The findings highlight consumer misconceptions of coconut oil, which has grown in popularity in recent years.

The Study Coconut Oil Increases Cholesterol, Corn Oil Lowers It was conducted by US-based MB Clinical Research, and sponsored by ACH Food Companies, a US-based manufacturer of cooking oils and baking ingredients.

Researchers tested participants’ cholesterol, insulin and C-reactive protein (a marker of inflammation) while they consumed either corn oil or coconut oil as part of their daily diet for four weeks. Results of the double-blind study showed adding corn oil to one’s diet resulted in lower cholesterol levels than coconut oil, and indicated that corn oil is better for heart health.

“There is a lot of confusion about the effects of coconut oil on indicators of heart health,” noted Dr Kevin C Maki, chief science officer, MB Clinical Research. “This study helps to show that coconut oil raises cholesterol levels compared with corn oil.”

One in four deaths in the US is due to heart disease. Controlling risk factors like high cholesterol is critical to maintaining heart health, but when it comes to impact on cholesterol, not all cooking oils are created equal. A previous study published in The Journal of Clinical Lipidology found that corn oil can also help lower cholesterol more than extra virgin olive oil.

Corn oil contains plant-based compounds called plant sterols, which are also found in fruits, vegetables, nuts, cereal, and legumes. Plant sterols help block the absorption of cholesterol in the gut and work to reduce low-density lipoprotein (‘bad’) cholesterol in the blood stream. Corn oil contains 10 times more cholesterol-blocking plant sterols than coconut oil, four times more than olive oil, and one and a half times more than canola oil.


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