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NaturalPedia > Polyphenols
Quotes about Polyphenols from the world's top natural health / natural living authors
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"However, most plant foods are rich in polyphenols and provide more polyphenols per calorie than olive oil. For example, an 11-calorie serving of green leafy lettuce gives you the same amount of polyphenols (30 mg) as 120 calories of olive oil. Another group of researchers studied 200 men using three different olive oils for three weeks; one of the oils was Extra Virgin, the other two were not, and low in polyphenols. The scientists found that the Extra Virgin had better heart health effects, including higher HDL cholesterol levels and less oxidative stress." - Gabriel Cousens, There Is a Cure for Diabetes: The Tree of Life 21-Day+ Program (Get the book.)
| "Certain polyphenols inhibit the bioavailability of iron. Many polyphenols such as flavonoids do not inhibit iron absorption. Only the polyphenols with gallic acid, which are often found in tannins, have been found to interfere with iron absorption. Iron absorption can be reduced by drinking beverages with tannic acid, such as wine, tea, or coffee during or within two hours of a meal. Spices such as oregano can also reduce iron absorption. Vitamin C greatly reduces the inhibiting effects of oxalates and tannins." - Dr. Steve Blake, Vitamins and Minerals Demystified (Get the book.)
| "The active ingredients in cocoa mimic the bitter polyphenols found in green tea and coffee, but all are completely inactivated by milk. That's why only very dark chocolate, as indicated by 70 percent or more cocoa content, has a beneficial effect. Raw cocoa beans and non-Dutch processed cocoa also contain these polyphenols. You can add them to coffee to make mocha or even vegetable smoothies, stir-fries, and sauces. The ancient elixir of the Incas and Aztecs, mole sauce, was based on cocoa." - Dr. Steven R. Gundry, Dr. Gundry's Diet Evolution: Turn Off the Genes That Are Killing You - And Your Waistline - And Drop the Weight for Good (Get the book.)
| "The Muscle behind Tea
Many researchers credit compounds called polyphenols for tea's cardiovascular protection. polyphenols act as antioxidants, chemicals that help gobble up free radicals. (Free radicals are cell-damaging compounds thought to accelerate aging and play a role in degenerative conditions such as heart disease and cancer.) Green tea is bursting with polyphenols. The fermentation process tends to alter or destroy the polyphenols in black and oolong teas, however.
Polyphenols may help hinder the oxidation of "bad" LDL cholesterol, says Robert J. Nicolosi, Ph.D." - The Editors of Prevention Health Books, and William P. Castelli M.D., Cholesterol Cures: More Than 325 Natural Ways to Lower Cholesterol and Live Longer from Almonds and Chocolate to Garlic and Wine (Get the book.)
| "For example, an 11-calorie serving of green leafy lettuce gives you the same amount of polyphenols (30 mg) as 120 calories of olive oil. Another group of researchers studied 200 men using three different olive oils for three weeks; one of the oils was Extra Virgin, the other two were not, and low in polyphenols. The scientists found that the Extra Virgin had better heart health effects, including higher HDL cholesterol levels and less oxidative stress." - Gabriel Cousens, There Is a Cure for Diabetes: The Tree of Life 21-Day+ Program (Get the book.)
| "Antioxidant cosmeceutical ingredients include vitamins such as B-5 (and its synthetic derivative panthenol), C, E, and nicotinamide; lycopene; polyphenols such as coffeeberry in coffee plant fruit and resveratrol in grapes; genistein, the isoflavone in soy milk and fermented soy; EGCG (epigallocatechin-3-gallate); pycnogenol, an extract of French marine pine bark; grape seed extract; and DMAE, found in cold-water fish, particularly salmon.
6. Tyrosinase Inhibitors." - Samuel S. Epstein, Randall Fitzgerald, Toxic Beauty: How Cosmetics and Personal Care Products Endanger Your Health . . . And What You Can Do about It (Get the book.)
| "Chemicals known as polyphenols prevent harmful cholesterol known as low-density lipoproteins (LDLs) from damaging arterial walls and causing a buildup of plaque. Consult your physician before you begin raising your glass, because drinking has been proven to increase risks of other diseases, such as breast cancer. For those who choose to avoid alcoholic beverages entirely, look for capsules containing phenolics at health food stores.
• Controlling Cholesterol
-/Vdding servings of fiber to your daily diet is a simple step toward being heart smart. Why?" - Bottom Line Books, Uncommon Cures For Everyday Ailments (Get the book.)
| "Thus, these studies, as well as those reviewed previously, suggest a positive role for dietary polyphenols and polyunsaturated fatty acids in both the prevention and delay of the deleterious effects of aging and AD. Finally, it should be pointed out that studies in cell models indicate that green tea extracts may also be of some benefit in reducing the neurotoxicity associated with Parkinson's disease [286-288]." - Ann M. Coulston and Carol J. Boushey, Nutrition in the Prevention and Treatment of Disease (Get the book.)
| "Burdock root {Arctium lappa) is a blood and lymphatic-system cleansing herb that contains several flavonoids and polyphenols shown to have antioxidant activity. One ingredient, inulin, strengthens the liver, pancreas, and spleen. The vitamin A and selenium in burdock aid in free-radical elimination.
Turkish rhubarb root {Rheum palmatum) contains several anthraquinones, including emodin and aloe-emodin, which have demonstrated anti-inflammatory and anticancer effects, including inducing cancer cell death." - Freedom Press, Natural Cancer Cures: The Definitive Guide to Using Dietary Supplements to Fight and Prevent Cancer (Get the book.)
"This ancient beverage contains the most antioxidants in any food: 51 anti-inflammatory phytonu-trients, according to major university databases. polyphenols in green tea have been found to downregulate an enzyme called ornithine carboxylase, which is overexpressed in prostate cancer patients.
Rosemary is a fragrant culinary herb that when supercritically extracted has potent anti-inflammatory and anti-tumor activity. Since 1992, researchers from Libya, Sweden, France and the United States have published research that reveals rosemary's COX-2 inhibiting and antioxidant properties."
- Freedom Press, Natural Cancer Cures: The Definitive Guide to Using Dietary Supplements to Fight and Prevent Cancer (Get the book.)
| "Figs contain omega-3 and more polyphenols than wine or tea, citrus peel combats skin cancer, and kiwi fruits have blood-thinning properties similar to aspirin. Bananas relax us and alleviate depression thanks to tryptophan, a protein that increases serotonin levels. Cranberries are laden with phytochemicals that cure urinary infections and fight everything from kidney stones to cholesterol to ulcers. They also contain proanthocyanidins, called PACs, that surround harmful bacteria so they can't stick to our insides." - Adam Leith Gollne, The Fruit Hunters: A Story of Nature, Adventure, Commerce and Obsession (Get the book.)
| "In a 2005 trial of green tea extracts published in the journal Derrnatologic Surgery, it was revealed that topical and oral formulations of green tea polyphenols can prevent or modify skin damage caused by UV radiation exposure. Forty women with moderate photoaging of the skin were randomly assigned to either a placebo group, where they drank a harmless but inactive potion, or a group that followed a regimen of 10 percent green tea cream and 300mg twice-daily green tea oral supplements. The clinical trial lasted for eight weeks." - Samuel S. Epstein, Randall Fitzgerald, Toxic Beauty: How Cosmetics and Personal Care Products Endanger Your Health . . . And What You Can Do about It (Get the book.)
| "The flavonoids, ubiquitous in plants, are the largest class of polyphenols, with a common structure of diphenylpropanes (C6-C3-C6), consisting of two aromatic rings linked through three carbons. The six major subclasses of flavonoids include the flavones (e.g., apigenin, luteolin), flavonols (e.g., quercetin, myricetin), flavanones (e.g., naringenin and hesperidin) (Figure 8.1), flavanols (or catechins) (e.g., epicatechin and gallocatechin) (Figure 8.2), anthocyanidins (e.g., cyanidin and pelargonidin) (Figure 8.3), and isoflavones (e.g., genistein and daidezin) (Figure 8.1" - Erich Grotewold, The Science of Flavonoids (Get the book.)
| "Dietary exposure to flavonoids and other polyphenols can be monitored by measuring parent compounds and metabolites in urine or plasma [16, 17]. Several compounds in cruciferous vegetables, such as sulforaphane and other isothiocyanates, have been of interest because of their potential chemopreventive effects. Concentrations of these compounds and the metabolic derivatives of them can be measured in plasma and urine by liquid chroma-tography/mass spectrometry [18]." - Ann M. Coulston and Carol J. Boushey, Nutrition in the Prevention and Treatment of Disease (Get the book.)
"Under normal conditions, the balance between production and elimination of radicals is maintained by enzymes (such as glutathione peroxidases, cata-lase and superoxide dismutases, thioredoxin reductase, and heme oxygenase) and a host of nonenzymatic (some metals, glutathione, thiols, vitamins, and phytochemicals such as isoflavones, flavonoids, and polyphenols) components, which can be influenced by eating behaviors [1-3]. Table 1 includes a number of these antioxidants with their respective structures and properties."
- Ann M. Coulston and Carol J. Boushey, Nutrition in the Prevention and Treatment of Disease (Get the book.)
"Thus, it appears that the protective effects of polyunsaturated fatty acids, much as the fruit polyphenols, may involve enhancing protective signaling pathways.
Results from several studies have indicated that the regular consumption of foods containing omega-3 fatty acid including soybean oil, fish oil, and nuts may lower mortality from cardiovascular disease [227-234]. Importantly, evidence also indicates that tree nuts such as walnuts may be beneficial in cardiovascular disease for their effects on serum lipids (reviewed in [235])."
- Ann M. Coulston and Carol J. Boushey, Nutrition in the Prevention and Treatment of Disease (Get the book.)
| "To produce black tea, the leaves are simply dried and the beneficial polyphenols are allowed to oxidize and form larger complexes, known as tannins.
Green tea is one of the most important health promoting beverages you can drink. Regular green tea consumption is linked to a reduced risk for heart attacks and strokes as well as most forms of cancer, particularly breast and prostate cancer. The health benefits of green tea are due to the presence of molecules known as polyphenols or catechins, the most active of which is epigallocatechin gallate (EGCg)." - Michael T. Murray and Michael R. Lyon, Hunger Free Forever: The New Science of Appetite Control (Get the book.)
| "Only the polyphenols with gallic acid, which are often found in tannins, have been found to interfere with iron absorption. Iron absorption can be reduced by drinking beverages with tannic acid, such as wine, tea, or coffee during or within two hours of a meal. Spices such as oregano can also reduce iron absorption. Vitamin C greatly reduces the inhibiting effects of oxalates and tannins. Since many of the vegetables with oxalates also contain large amounts of vitamin C, this may compensate for the iron-inhibiting effects of the oxalates." - Dr. Steve Blake, Vitamins and Minerals Demystified (Get the book.)
| "Pomegranates do contain myriad beneficial minutiae: tannins, antioxidant polyphenols, ellagic acid and punicalagin. But as the FDA-enforced warning states on one pomegranate-capsule maker's website: "These products are not intended to diagnose, treat, cure or prevent any disease." That hasn't stopped new products like condoms soaked in pomegranate juice from being sold as having extra protection against HIV Experiments on rabbits have shown that pomegranates positively affect erectile dysfunction—a condition not normally associated with bunnies." - Adam Leith Gollne, The Fruit Hunters: A Story of Nature, Adventure, Commerce and Obsession (Get the book.)
| "According to study author Claudio Napoli, a professor of medicine and clinical pathology at the University of Naples, Italy, their research—published in the Proceedings of the National Academy of Sciencesestablished that polyphenols and other natural compounds contained in the pomegranate juice may retard atherogenesis. "The protective effects of pomegranate juice were higher than previously assumed," Napoli says.
Best of all, you don't have to have existing heart disease to benefit from pomegranate juice's antioxidant wallop." - Jonny Bowden, Ph.D., C.N.S., The Most Effective Natural Cures on Earth: The Surprising, Unbiased Truth about What Treatments Work and Why (Get the book.)
| "Another group of researchers studied 200 men using three different olive oils for three weeks; one of the oils was Extra Virgin, the other two were not, and low in polyphenols. The scientists found that the Extra Virgin had better heart health effects, including higher HDL cholesterol levels and less oxidative stress. The oxidative stress is what increases inflammation in the arteries, disrupting the endothelial cells and predisposing one to plaque rupture and heart attack.
Olive oil does not lower LDL cholesterol, a potential indicator for heart disease." - Gabriel Cousens, There Is a Cure for Diabetes: The Tree of Life 21-Day+ Program (Get the book.)
"Scientists at Iowa State University determined the polyphenols polymers in cinnamon are able to up-regulate the expression of genes involved in activating the cell membrane's insulin receptors, thus increasing glucose uptake and lowering blood glucose levels.183 So cinnamon improves glucose intake by the cells, increases the effectiveness of insulin, and also increases the antibacterial, antiviral, and anti-fungal processes. In a study published in Diabetes Care, cinnamon was found to simultaneously reduce triglyceride levels, LDL cholesterol, and total cholesterol."
- Gabriel Cousens, There Is a Cure for Diabetes: The Tree of Life 21-Day+ Program (Get the book.)
| "An organ located behind the lower part of the stomach that manufactures insulin (made by beta cells), glucagon (made by alpha cells), enzymes that aid in digestion, and other substances, peripheral neuropathy: Nerve damage that most often affects the feet and legs, causing numbness, tingling sensation, and/or pain, phenotypic nutrition: The use of specific nutrients that have specific, known biochemical and genetic effects to help prevent disease, polyphenols: Substances found in many plants." - Steven V. Joyal, What Your Doctor May Not Tell You About Diabetes: An Innovative Program to Prevent, Treat, and Beat This Controllable Disease (Get the book.)
"These polyphenols (or phenolic acids) have been shown to be helpful in supporting optimal blood glucose levels as well as in fighting damaging free radicals and protecting cardiovascular health. But before you plug in your twelve-cup coffeemaker and get out your 20-ounce coffee mug, you need to look at the best way for you to get the benefits from coffee berries.
Several studies suggest that coffee consumption (the coffee beverage is made from the roasted seeds of the coffee berry) helps with blood glucose control and other diabetes-related problems."
- Steven V. Joyal, What Your Doctor May Not Tell You About Diabetes: An Innovative Program to Prevent, Treat, and Beat This Controllable Disease (Get the book.)
"Study results suggest that the polyphenols in green tea may interfere with the absorption of cholesterol in the intestinal tract and promote its elimination from the body. One catechin in particular, epigallocatechin gallate (EGCG), has been shown in experimental models to possibly enhance insulin action, reduce the formation and growth of fat cells, promote glucose metabolism, and reduce cholesterol and triglyceride levels."
- Steven V. Joyal, What Your Doctor May Not Tell You About Diabetes: An Innovative Program to Prevent, Treat, and Beat This Controllable Disease (Get the book.)
| "Green, leafy vegetables are a real nutrition bargain because you get magnesium as well as calcium, potassium, trace minerals, antacids, vitamin K, polyphenols, antioxidants, and fiber.
If you take blood thinners that are affected by the vitamin K in green, leafy vegetables, you'll need to take magnesium supplements. For someone on blood thinners, it's more important to eat a consistent amount of green, leafy vegetables than to avoid them altogether. It is the variability in green, leafy vegetables/vitamin K intake that throws off the dosing of your blood thinners." - James Dowd and Diane Stafford, The Vitamin D Cure (Get the book.)
| "LESSON FOUR: GRAPES OF LIFE
Drink red wine (in moderation)
Epidemiological studies seem to show that people who have a daily drink per day of beer, wine, or spirits may accrue
Sardinians share a toast with glasses ofCannonau, a locally produced red wine that has higher concentrations of polyphenols. some health benefits. But the secrets of the Blue Zones suggest that consistency and moderation are key. In Okinawa, it's a daily glass of sake with friends. In Sardinia, it's a glass of dark red wine with each meal and whenever friends meet." - Dan Buettner, The Blue Zones: Lessons for Living Longer From the People Who've Lived the Longest (Get the book.)
| "One particular class of these polyphenols is called flavonoids. And the most abundant, most bioavailable, and most studied of these flavonoids is a compound called quercetin. Apples are a significant source of quercetin, which has quite a resume of health benefits.
Quercetin—which was called "the most important flavonoid" by the peer-reviewed journal Nutrition in Cancer—is highly antiinflammatory, making it very useful in helping to calm the symptoms of asthma (and allergies). It's found in onions, apples, berries, tea, red wine, and supplements." - Jonny Bowden, Ph.D., C.N.S., The Most Effective Natural Cures on Earth: The Surprising, Unbiased Truth about What Treatments Work and Why (Get the book.)
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