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Tag: "antioxidants" at biology news

Pistachios lower cholesterol, provide antioxidants

...f pistachios may lower cholesterol and provide the antioxidants usually found in leafy green vegetables and bright... the effects of these diets on oxidized LDL and on antioxidants in the blood. "We were trying to see if the increased levels of antioxidants provided by pistac...

No magic tomato? Study breaks link between lycopene and prostate cancer prevention

...od concentrations of lycopene and other carotenoid antioxidants in preventing prostate cancer. Study data were derived from over 28,000 men enrolled in the Prostate, Lung, Colorectal, and Ovarian (PLCO) Cancer Screening Trial, an ongoing, randomized National Cancer Institute trial to evaluate cancer screening met...

Fat overrides effects of vitamin C

...n our stomach may reduce the protective effects of antioxidants such as vitamin C. Scientists at the University of Glasgow found that in the presence of lipid the ability of antioxidants, such as ascorbic acid (the active component of vitamin C), to protect against the generation of potential cancer-forming compo...

Studies force new view on biology of flavonoids

...se flavonoids have been found to be ineffectual as antioxidants in the human body does not mean they are without value, Frei said. They appear to strongly influence cell signaling pathways and gene expression, with relevance to both cancer and heart disease. "We can now follow the activity of flavonoids in the...

Grape expectations for healthier wine

...on, ozone-treated grapes had up to four times more antioxidants than untreated grapes (Journal of the Science of Food and Agriculture, doi 10.1002/jsfa.2780). It is not yet known why antioxidant levels increase, but because these compounds are up-regulated in response to environmental stress in plant cells, it...

Organic is healthier: Kiwis prove that green is good

...e are still unsure about the potential benefits of antioxidants and other compounds elevated in organic farm produ...ies, asks whether these increases in nutrients and antioxidants are of any appreciable health perspective. He is also concerned about any unknown negative effects o...

Honeydew honeys are better antioxidants than nectar honeys

...ence of Food and Agriculture. Naturally occurring antioxidants are important ingredients of many foods, and keenly sought in many ‘health foods? They are believed to help protect people from diseases like cancer, cardiovascular disorders, neurodegenerative diseases and aging. They operate by mopping up potential...

Chemicals in brown algae may protect against skin cancer

...Laboratory research has shown that BAPs are strong antioxidants and may have anticancer properties. For this study, Stoner and his collaborators used a strain of hairless mice that are particularly susceptible to UVB-induced skin cancer. Nine experimental groups were used, each with 20 mice. In two groups...

100 percent juices found as beneficial to health as fruits and vegetables

...s offer come not from just the fiber but also from antioxidants which are present in both juice and the whole fruit and vegetables. This 2006 review of the literature states, “When considering cancer and coronary heart disease prevention, there is no evidence that pure fruit and vegetable juices are less bene...

Unique tomatoes tops in disease-fighting antioxidants

...ieties contain. Lycopene belongs to a family of antioxidants called the carotenoids, which give certain fruits and vegetables their distinctive colors. Carotenoids are thought to have a number of health benefits, such as reducing the risk of developing cancer, cardiovascular disease and macular degeneration. ...

Researchers examine why food tastes bad to chemotherapy recipients

...pper. Their research will also evaluate the use of antioxidants to prevent the metallic flavor production. "If we can discover the cause of the production of metallic flavor, then preventive methods can be taken accordingly," Dietrich said. In correct amounts, metals in drinking water are actually important sour...

Mother birds give a nutritional leg up to chicks with unattractive fathers

Mother birds deposit variable amounts of antioxidants into egg yolks, and it has long been theorized tha...e strategy," write the researchers. "By depositing antioxidants in a compensatory manner, females can maximize the reproductive output from the current nesting effo...

Found -- the apple gene for red

...g apples their rosy red hue, anthocyanins are also antioxidants with healthy attributes, giving us plenty of reasons to study how the biochemical pathway leading to apple colour is regulated." A Post Doctoral Fellow with the team, Dr Adam Takos, used the latest molecular technology to measure how much particula...

Herbal medicine silymarin may help sugar-control in people with type II diabetes

Diabetes is a growing health problem. Giving antioxidants is recognised as one way of helping people with diabetes to control their blood sugar levels. The herbal medicine extracted from seeds of the Milk Thistle, Silybum marianum (silymarin) is known to have antioxidant properties and research published ...

Free radical cell death switch identified

...t produces more and more free radicals and its own antioxidants are unable to fight this process, which results in the generation of highly reactive oxygen molecules that inflict cellular damage by reacting with biomolecules including DNA, proteins, and lipids. A lifetime of oxidative stress leads to general cell...

Orange, grapefruit juice for breakfast builds bones in rats

..., both grapefruit juice and orange juice increased antioxidants in the rats' systems," Patil said. "So that is the benefit since oxidants damage bone cells. "There are about 400 compounds in citrus," he said. "So we need to find out which compound in citrus caused this." Patil suspects "limonoid,"a natural citr...

Mushrooms as good an antioxidant source as more colorful veggies

...ose who eat the most fruits and vegetables rich in antioxidants have lower incidence of these diseases. Dubost detailed her results in a paper, Quantification of Polyphenols and Ergothioneine in Cultivated Mushrooms and Correlation to Total Antioxidant Capacity Using the ORAC and HORAC Assays, presented Monday, ...

Strawberries by design

...e plants as well as the amount of health-enhancing antioxidants that they may contain. Jerzy Nowak, professor and head of the Department of Horticulture at Virginia Tech, commented: "Over the years, scientists have worked hard to find a system that would enable the efficient transformation of strawberry. However...

Antioxidant selenium offers no heart-disease protection

...selenium supplementation in combination with other antioxidants on the primary prevention of cardiovascular disease." Several antioxidants, vitamins C and E in particular, that were thought to play a role in preventing heart disease based on observational studies have turned out not to be protective in randomize...

Health benefits of a Christmas brandy

...he greater the benefit. The key to its benefit is antioxidants contained in the brandy that come mainly from copp...o the daily recommended intake of vitamin C. "The antioxidants only make up only a small percentage of substances found in brandy, but they are a very important pa...

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