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Flavonoids in Biological News

Fruits, vegetables and teas may protect smokers from lung cancer, UCLA researchers report

... ingested high levels of natural chemicals called flavonoids in their diet had a lower risk of developing lung ... was extremely interesting, that several types of flavonoids are associated with a reduced risk of lung cancer ... participants who ate foods containing certain flavonoids seemed to be protected from developing lung ...

A stronger heart with flavonoids

... biological and protective activities of various flavonoids have been extensively studied in vitro, on cell- ... difficult to assess precisely the nature of all flavonoids absorbed following consumption of plants present ... turning point started from plants: those rich in flavonoids made the case of researchers. Toufektsian ...

American Chemical Society's Weekly PressPac -- Oct. 31, 2007

... on healthful natural antioxidant compounds called flavonoids and phenolic acids. In the study, Gow-Chin Yen ... tea, and wine. Scientists long have known that flavonoids and phenolic acids have beneficial health effects ... researchers studied how 15 phenolic acids and six flavonoids affected fat cells in laboratory cultures of ...

Drink brewed tea to avoid tooth erosion

... green tea was identified to being superior over black due to its natural flavonoids (plant nutrients) and antioxidants. But, if you do drink tea, experts ... such as milk, lemon, or sugar because they combine with tea's natural flavonoids and decrease the benefits. In addition, stay away from prepackaged iced ...

The benefits of green tea in reducing an important risk factor for heart disease

... all teas - as well as dark chocolate and red wine - are attributed to the flavonoids they contain and their antioxidant activity.3 However, says investigator Dr Charalambos Vlachopoulos, flavonoids in green tea are probably more potent antioxidants than in black tea ...

ADA releases updated position paper on vegetarian diets

... to be lower in saturated fat and cholesterol and have higher levels of dietary fiber, magnesium and potassium, vitamins C and E, folate, carotenoids, flavonoids and other phytochemicals. These nutritional differences may explain some of the health advantages of those following a varied, balanced vegetarian ...

Chemopreventive agents in black raspberries identified

... of black raspberries with chemopreventive potential. Researchers at the Ohio State Comprehensive Cancer Center found that anthocyanins, a class of flavonoids in black raspberries, inhibited growth and stimulated apoptosis in the esophagus of rats treated with an esophageal carcinogen. "Our data provide ...

Fried purple tomatoes

... lycopene. Highly processed tomatoes are the best source, or tomatoes cooked in a little oil, which helps to release the lycopene from cells. flavonoids meanwhile are soluble in water, and foods containing both water soluble and fat-dissolved antioxidants are considered to offer the best protection ...

Dark chocolate: Half a bar per week to keep at bay the risk of heart attack

... the hypothesis- says Romina di Giuseppe, 33, lead author of the study- that high amounts of antioxidants contained in the cocoa seeds, in particular flavonoids and other kinds of poly-phenols, might have beneficial effects on the inflammatory state. Our results have been absolutely en-couraging: people ...

Drought tolerance in potatoes

... of cell membranes and cuticles. Genes for cell wall components were also upregulated, as were biosynthetic genes for antioxidants such as flavonoids and anthocyanins, which function in cell protection and detoxification under oxidative stress Many of the ancient potato landraces were adaptations ...

Ayurvedic nightshade deadly for dengue mosquito

... these plants produce two types of phytochemicals. says Chandra. The most interesting are the secondary phytochemicals, such as steroids, terpenoids, flavonoids and alkaloids these act as a repellent which protect against the lethal effects of the larval mosquitoes. A number of plants have been reported ...

American Chemical Society's Weekly PressPac -- Dec. 12, 2007

... found that a compound in soy might stimulate the growth of breast cancer. MTS ARTICLE #4 FOR IMMEDIATE RELEASE Commentary: Bioavailability of flavonoids and Polyphenols Call to Arms DOWNLOAD PDF http://pubs.acs.org/cgi-bin/sample.cgi/mpohbp/2007/4/i06/pdf/mp7001363.pdf DOWNLOAD HTML ...

Ginkgo SRMs: Tools for product analysis/quality

... sales estimated at $1 billion. The NIST reference materials are designed to help researchers validate the accuracy of analytical methods for flavonoids and terpene lactones (plant constituents that may be associated with the perceived effectiveness of ginkgo) as well as toxic elements in ginkgo*. In ...

Studies force new view on biology of flavonoids

... heart disease. Based on this new view of how flavonoids work, a relatively modest intake of them ?the ... A research survey, and updated analysis of how flavonoids work and function in the human body, were ... journal. "What we now know is that flavonoids are highly metabolized, which alters their ...

UC Davis researchers reveal apples' protective ways

... "We've known for a long time that it's the flavonoids in fruits that are protecting the body. We just ... effects of TNF. "Our study showed that the flavonoids in apples and apple juice can inhibit signals in ... other studies indicate that it is not just the flavonoids in the apple extract that are important in ...

Chemical compound inhibits tumor growth, size in new mouse study

... that have been associated with a wide variety of health benefits. flavonoids and some anti-oxidants belong to the polyphenol family and have been shown ... that have been associated with a wide variety of health benefits. flavonoids and some anti-oxidants belong to the polyphenol family and have been shown ...

Toasty oat aroma influenced by presence of health-linked polyphenols

... that have been associated with a wide variety of health benefits. flavonoids and some anti-oxidants belong to the polyphenol family and have been shown ... that have been associated with a wide variety of health benefits. flavonoids and some anti-oxidants belong to the polyphenol family and have been shown ...

Ghengis Khan wonder berry could conquer heart disease

... report the implementation of a new process which retains more than 40% of polyphenols - the same beneficial chemicals found in red wine, 50% of flavonoids and 70% of vitamin C present in the pulp of the red berries. Antioxidants in the berries inhibit so-called 'bad' LDL cholesterol oxidisation, ...

Study identifies substances in grapefruit juice that interact dangerously with some drugs

... enzyme, allowing more of these drugs to enter the body. It was originally assumed that the ingredients responsible for drug interactions were the flavonoids that give grapefruit juice its bitter taste. The new study shows that a group of chemicals called furanocoumarins are the likely culprit. ...

When the going gets tough, slime molds start synthesizing

... in the biosynthesis of diverse plant and microbial polyketides by enzymes known as type III PKSs. Plants make polyketide natural products such as flavonoids and stilbenes for use as sunscreens, antibiotics, flower pigments, and anti-oxidants. Explains Austin, "Plant polyketides are also increasingly ...

Anti-cancer Compound In Beer Gaining Interest

... the range of findings made since then. And many other scientists in programs around the world are also beginning to look at the value of these hops flavonoids for everything from preventing prostate or colon cancer to hormone replacement therapy for women. "Xanthohumol is one of the more significant ...

Stem cell training program to make its Stanford debut

... a prenyl group added. The researchers tested whether their new enzyme could modify a wide range of small aromatic molecules, ranging from plant flavonoids ?for instance, compounds found in hops that give beer its bitter taste or in other plants act as sunscreens, pigments, or antibiotics ?to olivetol, a ...

Promiscuous Catalytic Activity Possessed by Novel Enzyme Structure

... a prenyl group added. The researchers tested whether their new enzyme could modify a wide range of small aromatic molecules, ranging from plant flavonoids ?for instance, compounds found in hops that give beer its bitter taste or in other plants act as sunscreens, pigments, or antibiotics ?to olivetol, a ...

While on trail of dioxin, scientists pinpoint cancer target of green tea

... years ago the team discovered that AH activity is inhibited by a chemical found in white and green teas, epigallocatechingallate or EGCG, a cousin of flavonoids found in broccoli, cabbage, grapes and red wine that are known to help prevent cancer. The team had been working on other chemicals to try to stop AH ...
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