Following about 36,700 Swedish women, researchers found those whose diets had the highest total antioxidant capacity were 17 percent less likely to have a stroke. Among women with prior cardiovascular disease, the top quartile had 45 percent lower hemorrhagic stroke risk.
Section archive
Antioxidants
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Supplements
Antioxidants of interest to address infertility, erectile dysfunction (pr)
An analysis in Pharmacological Research finds earlier studies on antioxidants for infertility and erectile dysfunction inconclusive, but argues the evidence points to oxidative stress as an underlying factor and that large, targeted clinical trials are warranted.
Food
What nut is tops in antioxidants?
Joe Vinson told an American Chemical Society meeting that walnuts carry nearly twice the antioxidants of any other commonly eaten nut, at 2 to 15 times the potency of vitamin E, and that about seven a day may be enough. Roasting degrades those antioxidants.
Vitamins
Antioxidants in pecans may reduce heart risk
A Loma Linda trial fed 16 adults meals with and without 3 ounces of pecans. Pecan meals doubled serum gamma-tocopherol at 8 hours and cut oxidized LDL cholesterol by 26 to 33%, which the researchers tie to less inflammation in the arteries.
Food
Chocolate is a heart healthy indulgence
Researchers led by Midori Natsume tested cocoa polyphenols on human liver and intestinal cells and found they raised apolipoprotein A1, a major component of good cholesterol, lowered apolipoprotein B, and appeared to increase LDL receptor activity.
Phytochemicals
More antioxidants found in black rice than blueberries
A study presented at an American Chemical Society meeting found a spoonful of black rice bran holds more anthocyanin antioxidants than a spoonful of blueberries, plus more fibre and vitamin E and less sugar. Anthocyanins have been linked to lower heart disease and cancer risk.
Food
Bottled tea may contain no antioxidants
Wellgen chemist Shiming Li told an American Chemical Society meeting that six brands of bottled tea held 81, 43, 40, 13, 4 and 3 milligrams of polyphenols per 16-ounce bottle, against 50 to 150 milligrams in a cup of home-brewed tea. He says many also carry high amounts of sugar.
Vitamins
Nutritionist says antioxidants imperative for exercisers
In a University of Jena study, diabetics given 1,000 mg of vitamin C and 400 IU of vitamin E before exercise did not show the expected mopping up of damaging oxygen molecules; researchers suspect the supplements short-circuit the body's own response. One nutritionist calls it too early to conclude.
Food
Cherries boost antioxidant levels
Twelve healthy adults aged 18 to 25 ate one and a half or three cups of frozen tart cherries; antioxidant activity rose in all of them for up to 12 hours, along with five anthocyanins in the blood. Lead researcher Sara Warber says more research is needed.
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