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Soybean Oil May Help Increase Absorption of Fat Soluble Vegetable Nutrients

If you’ve been skipping putting dressing on your salad to lose weight, you may be losing out on some nutrients, too. A recent study suggests that soybean oil found in salad dressings may help with the absorption of seven micronutrients.


Participants in the study included 12 college-aged women who consumed five vegetable salads with salad dressings containing 0, 2, 4, 8, or 32 g of soybean oil. The researchers collected blood at selected time points.


The researchers found that maximum nutrient absorption of alpha and beta carotene, lutein and lycopene, two forms of vitamin E, and vitamin K occurred with 32 g of oil, or approximately two tablespoons. They also found that the amount of oil added was proportional to the amount of nutrients absorbed, suggesting that more salad dressing may be result in more nutrient absorption.


Researchers from Iowa State University led the study. It was published in the October 2017 issue of The American Journal of Clinical Nutrition.


Micronutrients are essential for good health and are vital to the proper functioning of all the body’s systems. Micronutrient deficiency can lead to a variety of health problems, such as anemia, susceptibility to disease, stunted growth and cognitive impairment. Food sources of micronutrients include dairy, dark leafy greens, fruits and vegetables, eggs, and almonds.

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