ACS News Service Weekly PressPac -- Sept. 20, 2006
...lays. Rosemary has a time-honored reputation as an antioxidant and food preservative. That addition created "active packaging," the scientists explain in a report in the Sept. 6 issue of the ACS' Journal of Agricultural and Food Chemistry. Such packaging goes beyond passively sealing food away from the environm...Salivary melatonin may decrease periodontal disease severity according to new study findings
...ced by inflammatory diseases. Melatonin has strong antioxidant effects that can protect cells against inflammatory processes and oxidative damage. Melatonin supplements are commonly promoted to ease jet lag and hasten sleep. "Patients with higher salivary and melatonin ratios had lower community periodontal i...Over the edge: New therapeutic strategy takes advantage of stressed cancer cells
...anate (PEITC), which is known to modulate cellular antioxidant pathways, to push cancer cells to even higher ROS ...ransformed cells. PEITC interfered with a specific antioxidant system that the cancer cells relied on to maintain a ROS balance that was compatible with survival. ...Cholesterol implicated in progression of fatty liver disease
... Supplements that boost levels of glutathione--the antioxidant that becomes depleted in animals whose livers accu... cholesterol increase in mitochondria and restored antioxidant levels, offering protection from liver damage. The new findings represent some of the first eviden...Natural vitamin E tocotrienol reaches blood at protective levels
...or most common, form of vitamin E is known for its antioxidant properties. In previous studies, the scientists...on of TCT was needed: Tocotrienol does not exhibit antioxidant properties until it reaches a concentration 10 to 25 times stronger than the concentration that prev...Twist on chest pain drug improves heart attack outcome
...t treated with any medication. TMZ or one of its antioxidant derivatives was injected into a heart for one minu...e during reperfusion, but not to the degree of the antioxidant derivatives. Free-radical levels were about 50 percent higher in both the control hearts and rat h...Pomegranate juice slows PSA acceleration rate after prostate cancer surgery, radiation
...nducted by Dr. Pantuck and his colleagues examined antioxidant characteristics of the fruit juice. "Pomegrana... C and other antioxidants, ellagic acid a primary antioxidant in pomegranate juice works to quench molecules that oxidate, or add oxygen, to cellular and circula...Pomegranate juice helps keep PSA levels stable in men with prostate cancer
...cal damage. It also contains poly-phenols, natural antioxidant compounds found in green tea, as well as isoflavones commonly found in soy, and ellagic acid, which is believed to play a role in cancer cell death. "There are many substances in pomegranate juice that may be prompting this response," Pantuck said...Mushrooms as good an antioxidant source as more colorful veggies
...li 12. The ORAC assay, the most well known test of antioxidant capacity, focuses on the peroxyl radical, the most...e assay used does not show it contributes to total antioxidant activity in the mushrooms, it may significantly contribute antioxidant activity in the body." The OR...New study: Pine bark extract reduces ADHD symptoms in children
...supplementing with Pycnogenol (pic-noj-en-all), an antioxidant plant extract from the bark of the French maritime pine tree, everyday for one month. In the randomized, double-blind placebo-controlled study, Pycnogenol helped reduce hyperactivity and improve attention, concentration and motor-visual coordination ...Another grape excuse to hit the bottle
...y been discovered in plants. It is thought to have antioxidant properties. Iriti's study discovered high levels of melatonin in Nebbolo, Merlot, Cabernet Savignon, Sangiovesse and Croatina grape varieties. Iriti's team have also shown that melatonin content can be enhanced in grapes by treating vines with a pla...ACS News Service weekly press package - May 30, 2006
...utrient content. Tests showed only small losses of antioxidant compounds in the cut fruit compared to fruit left whole. Levels of some antioxidants in fresh-cut mango and watermelon actually increased due to exposure to light. ARTICLE #4 "Quality Changes and Nutrient Retention in Fresh-Cut Versus Whole Fruits Du...Researchers make vitamin E offshoot a potent cancer killer
...people as a nutritional supplement, mainly for its antioxidant properties. In addition, it has a weak ability to ...molecule's antitumor activity is separate from its antioxidant effect. The study, led by researchers with The Ohio State University Comprehensive Cancer Center A...UC Davis researchers reveal apples' protective ways
... takes that research further by looking beyond the antioxidant effects of apple flavonoids. In the current study, Gershwin and his colleagues exposed human endothelial cells to an extract of an apple mash made from different apple varieties. The researchers then challenged these cells by exposing them to tumor n...News Tips from The Journal of Neuroscience
...Mutations cause a cytoxic gain-of-function of this antioxidant molecule that is expressed in the cytosol as well ...Mutations cause a cytoxic gain-of-function of this antioxidant molecule that is expressed in the cytosol as well as the mitochondrial intramembrane space. Transgen...Free-radical busting antioxidants might not promote healthy hearts
...ine, suggests that the heart-healthy effect of one antioxidant has little to do with cholesterol oxidation. A group of researchers at the University of New South Wales in Australia, led by Roland Stocker, studied a cholesterol-lowering drug called Probucol (Lorelco) in laboratory rodents with vascular disease. ...New mechanism found for neurodegenerative effects of amphetamines in mice
...nes. Organs such as the brain, which lack abundant antioxidant protection, are particularly vulnerable to oxidative stress. To approximate an acute human exposure, the researchers administered four doses of either MDA (the major metabolite of ecstasy) or METH at two-hour intervals to young adult mice. In the c...Vitamin D and flavonoids examined for impact on breast and ovarian cancers
...al structure could determine how a certain natural antioxidant may work to prevent disease, including cancer. More study is needed to determine why certain flavonoids appear to be effective at reducing cancer risk, and others do not appear to have these properties." A Prospective Analysis of Dietary Flavonoid I...Researches discover gene critical for protection against septic-shock-induced death
...cts as a primary regulator of most of the cellular antioxidant pathways and detoxifying enzymes that protect the body from a wide variety of environmental toxicants. In subsequent studies, they discovered that Nrf2 is a pleiotropic protein thatregulates a broad spectrum of genes used by the host to defend agains...Antioxidant tempol prevents pre-eclampsia, decreases fetal mortality in mice
The antioxidant tempol prevents the onset of pre-eclampsia in preg...d proteinuria "The results strongly suggest that antioxidant therapy will be useful for women with pre-eclampsia," Hoffmann said. Hoffmann received a Caroline tu...