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An apple a day keeps the doctor away

Een 150 jaar oud spreekwoord doorstaat de tijd zeggen onderzoekers.

Volgens een studie verschnen in de kersteditie van 'The BMJ' zou het voorschrijven van één appel per dag aan alle volwassenen van 50 jaar en ouder in het Verenigd Koninkrijk rond 8500 vasculaire sterfgevallen zoals hartaanvallen en beroertes per jaar voorkomen of vertragen - vergelijkbaar met het geven van statines voor iedereen boven de 50 jaar.

De onderzoekers concluderen dat de 150 jaar oude gezondheidsboodschap: " Een appel per dag houdt de dokter weg" in staat is om het resultaat van de moderne geneeskunde in deze te evenaren en veel minder bijwerkingen te hebben. Het onderzoek houdt rekening met mensen die al statines nemen om hun risico op vasculaire ziekte te verminderen en de auteurs benadrukken dat niemand daarmee moet stoppen maar in elk geval is het eten van meer appelen aan te raden.

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Appelschil verbinding verhoogt de calorieverbranding en reduceert obesitas in muizen

Obesitas en de problemen waarmee het geassocieerd wordt, zoals diabetes en leververvetting  zijn in toenemende mate wereldwijde gezondheidsproblemen. Een nieuwe studie door onderzoekers van de universiteit van Iowa toont aan dat een natuurlijke substantie, gevonden in appelschillen, muizen ten dele kan beschermen tegen obesitas en zijn schadelijke effecten. De resultaten suggereren dat een substantie, genaamd malol, obesitas reduceert  en zijn geassocieerde gezondheidsproblemen door de spiermassa en het bruine vet te verhogen, twee weefsels die bekend staan om hun vetverbrandende kwaliteiten.

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Gerrit


Mooie presentatie over de overeenkomsten van vruchten en het menselijke lichaam

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Ted


Straks mag je een appel niet meer gezond noemen

Over de positieve werking van voedingsmiddelen waar probiotica of plantaardige middelen aan toegevoegd werden, bestaat onvoldoende bewijs. Dat stelt het Efsa in een eerste advies over de zogeheten gezondheidsclaims. "Straks mag je zelfs een appel niet meer gezond noemen. Onzin toch", reageert directeur Christian Vastenavond van Nutrilab.

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Appels nog gezonder dan gedacht

Professor Dr Paul Kroon: „De bacteriën in de darmen zetten deze polyfenolen om in stoffen die belangrijk zijn voor de gezondheid, ze stimuleren bijvoorbeeld de activiteit bij antioxidanten.

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Geert


New evidence that people make aspirin's active principle -- salicylic acid

Scientists in the United Kingdom are reporting new evidence that humans can make their own salicylic acid (SA) — the material formed when aspirin breaks down in the body. SA, which is responsible for aspirin's renowned effects in relieving pain and inflammation, may be the first in a new class of bioregulators, according to a study scheduled for the Dec. 24 issue of ACS' biweekly Journal of Agricultural and Food Chemistry. In the report, Gwendoline Baxter, Ph.D. and colleagues discuss how their past research revealed that SA exists in the blood of people who have not recently taken aspirin. Vegetarians had much higher levels, almost matching those in patients taking low doses of aspirin. Based on those findings, the researchers previously concluded that this endogenous SA came from the diet, since SA is a natural substance found in fruits and vegetables.

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UGA study finds common component of fruits, vegetables kills prostate cancer cells

A new University of Georgia study finds that pectin, a type of fiber found in fruits and vegetables and used in making jams and other foods, kills prostate cancer cells. The study, published in the August issue of the journal Glycobiology, found that exposing prostate cancer cells to pectin under laboratory conditions reduced the number of cells by up to 40 percent.

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Compounds that color fruits and veggies may protect against colon cancer

Understanding the molecular structures of compounds that give certain fruits and vegetables their rich colors may help researchers find even more powerful cancer fighters, a new study suggests. Evidence from laboratory experiments on rats and on human colon cancer cells also suggests that anthocyanins, the compounds that give color to most red, purple and blue fruits and vegetables appreciably slow the growth of colon cancer cells.

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Dark fruit and veg may fight colon cancer cells

Scientists found that the chemicals that give foods such as grapes, radishes, purple carrots and bilberries their colour significantly slow the growth of colon cancer cells

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Fruits and Vegetables in Cancer Prevention and Treatment

Relatively recently, researchers have become keenly interested in exploring which food compounds are beneficial in treating and preventing serious diseases such as cancer and osteoporosis. Omer Kucuk, MD, is one of those researchers. Kucuk, a professor of hematology and medical oncology at Emory Winship Cancer Institute, studies specific food compounds and their effect on cancer prevention and treatment. Evidence indicates that some food compounds, such as soy isoflavones and curcumin, can increase the effectiveness of chemotherapy and radiation therapy. To listen to Kucuk’s own words about which food compounds affect cancer prevention and treatment, access Emory's new Sound Science podcast. Kucuk conducted the first clinical trials to show the benefits of soy and lycopene supplements in prostate cancer treatment. “In our preclinical studies we have observed that taking soy isoflavones during chemotherapy and radiation for advanced prostate cancer can improve the efficacy of the treatments," says Kucuk. “The compounds sensitize the cancer cells to chemotherapy and radiation while at the same time they protect the normal tissues from side effects.” Most nutritional compounds used for therapy or disease prevention can be taken as part of a routine diet and have little if any side effects, Kucuk says. “People can get enough lycopene by eating tomato paste and tomato sauce, which is very rich in lycopene. So, if people ate a couple of ounces of tomato paste a day as part of a regular diet, they would eat enough to get all the benefits,” he says. Kucuk and his colleagues are currently exploring how soy isoflavones make chemotherapy and radiation more effective. “These are pleiotropic agents. That means they affect multiple pathways in cancer cells as well as other cells,” Kucuk says. “This is actually good, because a lot of the drugs that are developed target one pathway, and they’re usually very toxic. But because nontoxic nutritional compounds work with multiple pathways they have mild side effects making them very attractive for treatment.”

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Wild strawberries may reduce cancer risk

We've all seen the term "super food" used to describe those nutrition-loaded edibles that promote health and discourage disease. Powerhouse foods high in antioxidants and phytochemicals that block the development of cancer cells have been touted as nature's way to fight off the potentially devastating disease.

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Consumption of fruits may reduce the risk of Alzheimer's disease

Apples, bananas, and oranges are the most common fruits in both Western and Asian diets, and are important sources of vitamins, minerals, and fiber. A new study in the Journal of Food Science explores the additional health benefits of these fruits and reveals they also protect against neurodegenerative diseases, including Alzheimer's disease.

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New Evidence for the Protective Effects of Fruits and Veggies

The age-old refrain, "Eat your vegetables!" gets scientific support as researchers present the latest findings on cancer prevention at the American Association for Cancer Research's Sixth Annual International Conference on Frontiers in Cancer Prevention, being held December 5 - 8 in Philadelphia, Pennsylvania. Today, researchers present new data that demonstrate how diets full of raw vegetables -- particularly broccoli sprouts -- and black raspberries could prevent or slow the growth of some common forms of cancer.

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Lupeol Compound in Fruits Found to Destroy Cancer Tumors in the Head and Neck Faster Than Chemotherapy Drugs

A chemical that naturally occurs in certain fruits such as grapes, mangoes and strawberries may be able to suppress the growth and spread of head and neck cancers, according to a study conducted by researchers at the University of Hong Kong and published in the journal Cancer Research.

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