Tag: "antioxidant" at biology news
Selenium Supplements Can Reduce Cancer Rates
...essential enzymes, selenium provides the body with antioxidant
protection in concert with vitamin E and is required for normal thyroid hormone metabolism. The study was funded in part by grants from the American Institute of Cancer Research, the American Cancer Society and the National Institutes of Health....
Vitamin C Deficit Linked To Skin Disease
... Branch inGalveston. "Though it is known that the antioxidant
vitamins play a role in human health,the mechanisms are poorly understood," said Peter Sinclair, a VA researcher andresearch associate at Dartmouth Medical School. "This study may lead us to anunderstanding of how vitamin C behaves in a particular di...
First Selenium-Based Orally-Active Antihypertensive May Lead To New Family Of Therapeutic Agents
... heartdisease, arthritis and AIDS. Selenium is an antioxidant
involved inmany important enzyme processes. Georgia Tech researchers developed the family of selenium compoundsand recognized their antihypertensive potential in the mid-1980s. Butconcerns about the potential toxicity of selenium and the availabili...
Free Radicals Implicated In Impaired Lung Function; Damage May Be Mitigated By Certain Antioxidants
...athione, glutathione peroxidase, trolox equivalent antioxidant
capacity and total serum bilirubin, the main pigme...nn said there has been conflicting evidence on the antioxidant
activity of red-cell glutathione. In this study, it was associated with lowered pulmonary functioni...
Diet, Antioxidant Status, And Smoking Habits In French Men
... intake and plasma indexes of oxidative stress and antioxidant
defenses inFrench adults. Food and nutrient intake...pleof French men, smoking had an adverse effect on antioxidant
status; vitamin intakes were reducedin smokers and plasma antioxidant
indexes were altered independe...
Genetics May Explain Much Age-Related Hearing Loss
...ents of the genes responsible forproduction of the antioxidant
enzyme superoxide dismutase, or SOD, the UBresearc...ated hearingloss is due to a genetic deficiency in antioxidant
enzymes, such as SOD. If weare able to regulate the enzyme and modulate the number of free radicals...
USC Study On Soy's Anti-Cancer Effects
...effects. Genistein is a natural plant estrogenwith antioxidant
properties. In test tube studies, the compound has been shownto halt cell growth and angiogenesis (the development of new blood vessels thattumors require for continued growth.) Another team gave genistein to female ratsas newborns and later exposed ...
New Test Opens Window On Corrosive Free-Radical Activity In Individuals
vitamins protect healthy people from free-radical ... skin? Can some diseases be slowed orreversed with antioxidant
compounds? Perhaps surprisingly, researchers have yet to answer these seeminglystraightforwa...
Fruits And Vegetables Protect Lungs
...eded to better understand these associations. The antioxidant
beta carotene, a compound of carotene found in dar...fered almost no protection for heavy smokers. The antioxidant
selenium, however, which is found in meats, fish, cereals, dairy products, and Brazil and some other...
Antioxidants May Reduce Harmful Complications Of Diabetes
... The scientists recommend that diabetics take antioxidant
supplements,such as vitamin C or E, to help stave ... risk factor for developingcomplications, and that antioxidant
supplements could lower this risk," heconcluded. Opara prepared the results of his studies f...
A Cup Of Tea May Protect Against Skin Cancer
...milk may bind to the flavonoids, and impact on the antioxidant
properties and potential health benefits of tea. The most recent findings would suggest that the flavonoids still play aprotective role in the presence of milk," said Dr Ian Record of CSIRO Division of Human Nutrition. "Intensive research is curr...
Comprehensive Nutritional Status In Patients With Long-Standing Crohn Disease Currently In Remission
...e also significantly lower in CD patients, as were antioxidant
status and serum concentrations of magnesium and vitamin D. Percentage body fat and hamstring muscle strength were significantly lower in male CD patients than in control subjects, whereas muscle strength of the quadriceps was preserved. In con...
After The Wine Is Made, The Rest Of The Grape May Be Good For You
...cial exploitation of grapepomace for production of antioxidant
concentrates. Grape seed extract isalready widely sold as a nutritional supplement, she says. But she cautionsthat more research is needed to determine the exact physiological significanceof the grape phenolics as antioxidants with nutritional bene...
UB Studies Link Low Dietary Calcium, Vitamin C With Increased Risk Of Gum Disease
...epairing healthy connective tissue, along with its antioxidant
properties, was likely responsible for the relationship. "Vitamin C in the diet increases the ability of tissue to repair itself and fight invading bacteria and other toxins. We found a very strong association for all age groups, but the results w...
Dark Honey Has More Illness-Fighting Agents Than Light Honey
...from Illinois buckwheat flowers packs 20 times the antioxidant
punch as that produced by bees that lap up Califor...U. of I. Functional Foods for Health program. "The antioxidant
content of buckwheat honey compares favorably, pretty much bite for bite, with the ascorbic acid-rel...
Antioxidant Vitamin Supplementation And Lipid Peroxidation In Smokers
...l peroxyl radical trapping potential, a measure of antioxidant
defenses, were assessed. Relative to the placebo juice, the vitamin-supplemented juice resulted in a significant decrease in breath-pentane excretion as well as a significant improvement in the resistance of LDL to oxidation. The lag phase of conjuga...
In New Alzheimer's Studies, Lab Tests Show Vitamin E And Other Antioxidants
Preventing Brain Cell Death
...hat as young people we have a tremendous amount of antioxidant
strengthin our systems-but as we get older, the ability to reproduce these chemicalsweakens and free radicals more easily subvert the brain's cells," he says. Dr. Butterfield noted that antioxidants are being tested on humans in majorresearch...
Antioxidant Action Of Vitamin E Significantly Reduces Heart Disease In Mice
...he assay could be used to determine thedoses of an antioxidant
that would be beneficial rather than damaging. "One's responsiveness to an antioxidant
is a function of the degree towhich the oxidation system is activated," FitzGerald says. "So, in cli...
Antioxidant Treatment Holds Promise For Combating Malnourishment
... Supplements that help the bodycreate a particular antioxidant
may also prevent some ofthe damaging physical effe...nd that when malnourished rats producedmore of the antioxidant
glutathione (GSH), it boostedthe free-radical fighting capacities of the animals, lungsand livers, s...
Common Blood Pressure Drug May Promote Healthy Cells
... healthy body reacts to free radicals by producing antioxidant
enzymes,which neutralize the free radicals before ...opril, suggests captopril doesn't have animmediate antioxidant
effect in cells. "Captopril did not have the kind of positive effect on the cells that wefou...
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