Articles tagged with Antioxidants
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Researchers from Miguel Hernández University identify cloves as the best natural antioxidant, due to high phenolic compound content and other properties. Cloves exhibit high antioxidant capacity and may have beneficial health effects.
Researchers found that barn swallows with positive antioxidant balance produced the most young, suggesting a link between antioxidant levels and reproductive success. The study, published in PLoS One, suggests that maintaining a balanced diet, exercise, and reduced stress can improve bird health and reproduction.
A new University of Colorado at Boulder study found that North American barn swallows with high levels of natural antioxidants maintain better reproductive performance, producing more offspring and guarding nests more effectively. The study tracked concentrations of carotenoids in wild birds over the breeding season.
Scientists have confirmed that green tea catechins penetrate into tissues of the eye, raising the possibility of protection against glaucoma. Analysis of eye tissues showed significant absorption of individual catechins, with effects lasting up to 20 hours.
A study analyzing three studies on chocolate and stroke found that eating chocolate may reduce stroke risk by up to 46% and lower the risk of death after suffering a stroke. However, more research is needed to confirm these findings.
Researchers at Kansas State University found that antioxidants can cause harm by suppressing key signaling mechanisms necessary for muscle function. The study suggests that increasing blood flow and oxygen delivery to the skeletal muscle is crucial during physical activity.
A study published in ACS' Journal of Agricultural and Food Chemistry found that blueberry juice supplementation improved learning and memory tests in volunteers aged 70-72. The researchers suggested that consistent blueberry consumption may offer an approach to mitigate neurodegeneration.
Researchers at Texas A&M AgriLife Communications discovered that mango polyphenols can prevent or stop growth of certain breast and colon cancer cells. The study found that the fruit's antioxidants had a significant impact on these specific types of cancer, with some cell lines undergoing programmed cell death.
A recent study by The Hershey Company confirms that flavanol antioxidant content in US chocolate and cocoa products is highly associated with the amount of non-fat cocoa solids. Cocoa powders, unsweetened baking chocolate, dark chocolate, and semi-sweet chips were found to have the highest levels of flavanol antioxidants.
Researchers have identified and characterized new antioxidant compounds in foods like olive oil, honey, and walnuts. These phenolic compounds have high antioxidant power and influence the organoleptic properties of food, potentially preventing diseases such as diabetes, obesity, and cardiovascular disease.
Researchers developed microscopic polymer beads that can deliver an antioxidant enzyme into the heart, reducing dying cells and improving heart function after a simulated heart attack. The enzyme, superoxide dismutase (SOD), soaks up toxic free radicals produced during a heart attack.
Curcumin, found in turmeric, shows promise in treating colon cancer, psoriasis, and Alzheimer's. The nano-size capsule boosts curcumin absorption, increasing antioxidant levels in the blood.
A study published in International Journal of Low Radiation found that extracts of Ginkgo biloba leaves can protect human white blood cells from gamma radiation-induced apoptosis. The results suggest that the antioxidant compounds in Ginkgo biloba extract can neutralize free radicals and prevent cellular damage.
Higher urate levels in patients with early Parkinson's disease are associated with slower clinical decline. The study found that elevated urate levels in the cerebrospinal fluid were inversely related to disease progression.
A pioneering model of heart disease has been recognized with a $2.5 million NIH Pioneer Award, proposing that an antioxidant molecule may lead to disease when overproduced due to a gene mutation. Researcher Ivor J. Benjamin aims to investigate this theory and develop new treatments for reductive stress-related heart disease.
A new University of Georgia study tested the antioxidant quercetin in a double-blind, placebo-controlled trial assessing various measures of athletic performance. The researchers found that quercetin did not improve any of the measures examined, including muscle energy synthesis and cycling performance.
Whole grain cereals contain surprisingly large amounts of healthful antioxidant substances called polyphenols, comparable to fruits and vegetables. Raisin bran has the highest amount of antioxidants per serving due to raisins.
A recent randomized trial found no association between antioxidant supplementation and melanoma risk in women. Long-term use of beta carotene and selenium also showed no link to melanoma risk. The study included over 69,000 participants and provided new insights into the potential benefits and harms of antioxidant supplements.
A study by The Hershey Company shows that over 85% of cocoa flavanols can be preserved in recipes for hot cocoa drinks, frosting, and cookies. Using a combination of baking powder and baking soda allows for the retention of antioxidant activity and flavanols in chocolate cakes.
A team of researchers has developed a new cell programming method called MAGE, which enables rapid refinement of bacterial genomes. By editing multiple genes in parallel, the researchers transformed E. coli cells into efficient factories that produce a desired compound in just three days.
Researchers at Boston University School of Medicine have discovered new compounds that can be given orally to prevent radiation-induced injuries, including kidney, lung, skin, and intestinal tract damage. The EUK-400 series, which are synthetic antioxidants, protect tissues against damage caused by free radicals.
Researchers from Queen's University Belfast have developed an antioxidant supplement that may slow down sight loss in elderly people. The CARMA supplement, containing carotenoids and co-antioxidants, was shown to preserve macular pigments and slow down progression from early age-related macular degeneration (AMD) to late AMD.
Researchers found that omega-3 fatty acids and antioxidants may delay AMD progression, with higher intake reducing risk. Early stages benefited from DHA, while advanced stages were protected by combination of nutrients.
A new study found that many breast cancer patients use antioxidant supplements, including high doses, during treatment. However, the effects on health and survival are poorly understood and the findings are mixed.
A study found that many women with breast cancer use antioxidant supplements during treatment, which may have mixed effects on their health and survival. Researchers recommend further research to determine the impact of antioxidant supplementation on breast cancer outcomes.
A new study by researchers at the University of Murcia found that men who consume more fruits and vegetables have better semen quality. The study, which analyzed data from 61 men, showed that higher antioxidant intake is associated with improved sperm concentration parameters.
Researchers have discovered a massive family of green fluorescent proteins (GFPs) in a primitive sea animal, revealing their unexpected role as antioxidants. The discovery sheds new light on the evolution and functions of GFPs across the animal kingdom.
Researchers at Vanderbilt University Medical Center have cracked the mystery of a failed TB vaccine by modifying it to reduce antioxidant production, leading to stronger immune responses in mice. The modified BCG vaccine could offer improved protection against pulmonary TB and serve as a platform for other vaccines.
A study of over 2,000 children aged 6-18 found that those exposed to secondhand smoke had lower antioxidant levels, which can help defend against biological stresses. The researchers recommend a diet rich in antioxidants from fruits and vegetables to mitigate this effect.
A new human study confirms that eating tart cherries increases antioxidant levels in the body, with benefits potentially including reduced heart disease risk. Researchers found increased antioxidant activity for up to 12 hours after consuming one and a half cups of frozen tart cherries.
A new study found that coffee and caffeine supplementation reduced oxidative stress and cell death in male mice with ALS, while female mice showed no benefit or even increased markers of stress. The researchers suggest women may want to restrict or switch to decaf products with antioxidants.
Age-related macular degeneration is projected to increase substantially by 2050, but new therapies may help mitigate its effects. Simulation modeling predicts that combining antioxidant vitamins for prevention and anti-VEGF and laser therapy can reduce the rate of visual impairment and blindness due to AMD from 0.73% to 0.48%.
Researchers found that DHPEA-EDA protects red blood cells from damage, providing greatest protection against heart attack and stroke. The study suggests virgin olive oils contain higher levels of this compound, which could lead to the production of functional oils designed to reduce heart disease risk.
Researchers found that curcumin acts as a disciplinarian, inserting itself into cell membranes and making them more orderly. This improves cells' resistance to infection and malignancy by controlling information flow through the membrane.
A UCLA study found that broccoli sprouts triggered an increase in antioxidant enzymes, offering protection against free radical damage and inflammation. The researchers discovered a significant increase in these enzymes after consuming 100g or higher of broccoli sprouts.
A study published in HortScience found that Midwestern black raspberry cultivars harvested from different production sites exhibit varying levels of antioxidants. The research suggests that fruit ripeness at harvest and regional differences in soil temperatures may contribute to these variations.
Researchers have found that vitamin supplements composed of antioxidants beta carotene, vitamins C and E, and magnesium can prevent both temporary and permanent hearing loss in test animals exposed to loud noise. The supplements may also provide 'post-noise rescue' by protecting against cell death and permanent hearing loss days after ...
Scientists at Scripps Research Institute have found that anti-oxidants in the diet can help preserve function by adding them to their diet. They also developed a novel gene therapy technique to offer an alternative option for arresting vision loss from eye diseases.
A study published in Crop Science found that dry bean consumption significantly reduces the risk of mammary cancer in laboratory animals. The research revealed varying levels of antioxidants and flavonoids among different market classes of beans, but no association between these compounds and cancer incidence was observed.
Researchers found a genetic variation in the HGF gene that increases breast cancer risk, suggesting shortening of a DNA region called DATE could be a useful marker. A study also revealed that high-fat diets can lead to insulin resistance by damaging mitochondria and increasing oxidative stress, but antioxidants may mitigate this effect.
Researchers have discovered that an acid produced when garlic decomposes is responsible for its potent antioxidant activity. This finding could explain why garlic has been used as a herbal medicine for centuries and may provide insight into its medicinal benefits.
Scientists have discovered that plums contain high levels of healthy nutrients, including antioxidants and phytonutrients associated with disease prevention. Unlike blueberries, which require multiple servings to reap benefits, plums can provide the full benefit in a single serving, making them an affordable option for consumers.
A study found that antioxidant supplementation reduced painful days and analgesic use in patients with chronic pancreatitis. The benefits were seen as early as three months and suggest a state of heightened free radical-mediated injury in the disease.
A University of Illinois study found that honey, rich in antioxidants, protects the quality of salad dressings for up to nine months while naturally sweetening them. The study substituted honey for chemical additives and high-fructose corn syrup, resulting in a healthier alternative.
A study published in Nature Biotechnology found that feeding knockout mice with powdered purple tomatoes increased their lifespan by an average of 40 days. The high anthocyanin content of the tomatoes demonstrated significant antioxidant activity, potentially leading to new ways to prevent diseases like cancer and cardiovascular disease.
Researchers have successfully expressed genes from snapdragon into tomatoes, resulting in higher levels of anthocyanins. The purple tomatoes showed promise in extending the lifespan of cancer-susceptible mice, suggesting potential health benefits for consumers.
A European study found that blue light exposure combined with low antioxidant levels increases the risk of age-related macular degeneration (AMD) in older adults. The study recommends increasing consumption of antioxidant-rich foods and wearing protective eyewear to reduce this risk.
Researchers found that individuals with low antioxidant levels and high sunlight exposure are at a higher risk of developing advanced macular degeneration. The study also found that blue light exposure is associated with the development of early stages of AMD, especially in middle-aged individuals.
A new study published in Journal of Agricultural and Food Chemistry emphasizes the high antioxidant content of natural cocoa powder. Natural cocoa powders contain an average of 34.6 mg of flavanols per gram, making them one of the richest sources of these beneficial antioxidants.
A study led by Texas AgriLife Research scientists has shown that the Brazilian acai berry's antioxidants are absorbed by the human body when consumed as juice or pulp. The finding is significant as it provides evidence for the berry's purported health benefits, which have been heavily marketed in the US.
Researchers suggest that melanin-based signals in animals may signal their capacity to fight off free radicals and oxidative damage. The study found that reducing glutathione levels increased the size of black stripes in birds' feathers, indicating a link between antioxidant resources and signaling costs.
Research suggests that eating broccoli may help patients with chronic lung disease by reducing oxidative stress and inflammation. The study found decreased levels of NRF2-dependent antioxidants and increased oxidative stress markers in lungs of smokers with COPD.
Brain plays a key role in appetite regulation by using fat as fuel, with oxygen-free radicals playing a crucial role. The study suggests that antioxidants could help control weight, and taking them at the right time may affect satiety.
A recent study found that green tea rapidly improves the function of endothelial cells lining the circulatory system. The consumption of green tea resulted in increased brachial artery dilatation, indicating improved endothelial function. This is significant as endothelial dysfunction is a key event in the progression of atherosclerosis.
Adults with type 2 diabetes who eat high-fat meals may experience immediate memory declines, but taking antioxidant vitamins with the meal can offset this effect. A study found that consuming healthy foods rich in fruits and vegetables is the best defense against cognitive decline.
Researchers reviewing randomized trials found that antioxidant supplementation may reduce overall survival in patients receiving radiotherapy. Conversely, no clear evidence suggests that antioxidant treatment increases tumor response rates during chemotherapy.
Researchers at the University of Granada have developed a new method to establish the antioxidant capacity of extra virgin olive oil. The study found that the ABTS method is the most suitable for studying polyphenol content and its correlation with total antioxidant capacity.
Birds select fruit with high antioxidant concentrations, boosting their immune systems. Researchers found that blackcaps preferred foods containing flavonoids, even when they appeared darker.
Researchers found that resveratrol induces pancreatic cancer cell death by crippling the mitochondria's energy function, leading to apoptosis. The study suggests that moderate red wine consumption may not be contraindicated during chemotherapy or radiation treatment.
A study found that variations in the PON1 gene and its related enzyme activity increase cardiovascular disease risk, with higher PON1 activity linked to lower major adverse cardiac event rates. The researchers also discovered a dose-dependent association between PON1 gene polymorphisms and increased oxidative stress levels.