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A report in the Journal of Medicinal Food shows that drinking 12 ounces of apple juice or eating two apples a day for six weeks delayed the conversion of the bad LDL cholesterol to oxidized LDL cholesterol in blood that was drawn and left in a test tube for two weeks.

In your bloodstream, you have a good HDL cholesterol that prevents plaques from forming in arteries, and a bad LDL cholesterol that causes plaques to form. Before the bad LDL cholesterol can form plaques, it must first be oxidized to form oxidized LDL cholesterol.

Does this study tell you to start drinking 12 ounces of apple juice a day? Of course not. You shouldn't care what happens to LDL cholesterol in a test tube, because you are concerned about oxidized LDL only in your bloodstream. You blood is full of so many different chemicals that cause oxidation and prevent oxidation that taking blood from your body and placing it in a test tube is irrelevant to your body.

Twelve ounces of apple juice contains 175 calories. If all else remains the same, it will add a pound of fat to your body every 20 days. An apple is much better for you because it contains fewer calories, has fiber that helps to fill you up, and has vitamins, minerals and other phytochemicals that are lost when the peel and pulp are discarded to make juice. All plants have antioxidants that help protect them from insects and other damage. This study could probably be repeated with just about any fruit or vegetable. See report #1287.

Journal of Medicinal Food, Winter 2001

Checked 8/31/05

May 21st, 2013
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About the Author: Gabe Mirkin, MD

Sports medicine doctor, fitness guru and long-time radio host Gabe Mirkin, M.D., brings you news and tips for your healthful lifestyle. A practicing physician for more than 50 years and a radio talk show host for 25 years, Dr. Mirkin is a graduate of Harvard University and Baylor University College of Medicine. He is board-certified in four specialties: Sports Medicine, Allergy and Immunology, Pediatrics and Pediatric Immunology. The Dr. Mirkin Show, his call-in show on fitness and health, was syndicated in more than 120 cities. Read More
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