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Antioxidants

Loss of antioxidant protein Nrf2 represses regeneration of muscle lost to aging

Posted March 10, 2014

Good news for lifelong exercisers: Along with its salutary effects on the heart, weight, and other facets of health, physical activity also helps to regenerate muscle mass, which tends to diminish as people age.

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Where Are Your Antioxidants Most Active?

Posted March 2, 2014

We frequently receive questions about various antioxidants: Do I have to take one if I take another? Is this antioxidant better than the other? But the most common question we get is: Which antioxidants are right for me?

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Sprouting garlic packed with heart-healthy antioxidants, say researchers

Posted February 28, 2014

Old garlic bulbs that have grown ‘sprouts’ are often considered past their prime, however new research suggests these aging bulbs have higher levels of heart-healthy antioxidants than their fresh counterparts.

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Paederia foetida Linn. leaf extract: an antihyperlipidemic, antihyperglycaemic and antioxidant activity

Posted February 26, 2014

The primary objective of the present investigation is to evaluate the antidiabetic, antihyperlidemic and antioxidant activity of the methanolic extract of the Paederia foetida Linn. (PF) leaf extract in the streptozotocin induced diabetic rats.

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Go Red to Fight Heart Disease

Posted February 9, 2014

A number of previous studies have demonstrated that increased consumption of foods rich in polyphenols – a potent antioxidant compound, help to lower the risks of cardiovascular disease. A. Tresserra-Rimbau, from the University of Barcelona (Spain), and colleagues analyzed data collected on 7,172 men and women, ages 55 to 80 years, enrolled in the PREDIMED (PREvencion con DIeta MEDiterranea) study.

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Dietary Choices May Defeat Diabetes

Posted February 2, 2014

Flavanoids are a type of antioxidant – compounds shown to be effective in counteracting oxidative damage. Anthocyanins are a subgroup of flavanoids, for which a number of previous studies suggest beneficial health effects.

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Radioprotective effect of the Barbados Cherry (Malpighia glabra L.) against radiopharmaceutical Iodine-131 in Wistar rats in vivo

Posted January 31, 2014

The increasing consumption of fruits and vegetables has contributed to the improvement of populational health, due in part, to the abundance of antioxidants in these foods. Antioxidants reduce the level of oxidative damage to DNA caused by free radicals and ionizing radiation, including the radioisotope iodine-131 (131I). This isotope is used for the diagnosis and treatment of thyroid injuries, such as hyperthyroidism and cancer.

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Effect of a walnut meal on postprandial oxidative stress and antioxidants in healthy individuals

Posted January 16, 2014

In vitro studies rank walnuts (Juglans regia) among the plant foods high in antioxidant capacity, but whether the active constituents of walnuts are bioavailable to humans remains to be determined. The intention of this study was to examine the acute effects of consuming walnuts compared to refined fat on meal induced oxidative stress. At issue is whether the ellagitannins and tocopherols in walnuts are bioavailable and provide postprandial antioxidant protection.

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‘Opening doors’: Whole grape extracts support cardiovascular health and antioxidant activity

Posted January 15, 2014

Daily intake of a whole grape extract may improve antioxidant levels, and improve cholesterol levels, says the first North American study to report such measures.

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Antioxidants in Synovial Fluid May Help Predict the Severity of Primary Knee Osteoarthritis

Posted January 14, 2014

In a study involving 23 patients (mean age: 66.7 years) with primary knee osteoarthritis, vitamin E concentration in the synovial fluid was found to be “an essential prognostic factor in primary knee osteoarthritis and may act as a basis for treatment directions.

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