News tagged with vitamin c
Study finds vitamin C can kill drug-resistant TB (w/ video)
In a striking, unexpected discovery, researchers at Albert Einstein College of Medicine of Yeshiva University have determined that vitamin C kills drug-resistant tuberculosis (TB) bacteria in laboratory culture. The finding ...
Diseases, Conditions, Syndromes
May 21, 2013 |
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Vitamin C supplements linked to kidney stones
New research from Karolinska Institutet in Sweden shows that men who take vitamin C supplements regularly run a higher risk of developing kidney stones. The study, which is published in the scientific periodical JAMA Internal Me ...
Health
Feb 04, 2013 |
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Increase in RDA for vitamin C could help reduce heart disease, stroke, cancer
The recommended dietary allowance, or RDA, of vitamin C is less than half what it should be, scientists argue in a recent report, because medical experts insist on evaluating this natural, but critical nutrient ...
Health
Jul 16, 2012 |
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Frequent cooking will help you live longer
(Medical Xpress) -- A new study published in Public Health Nutrition links frequent cooking to a longer life.
Health
May 16, 2012 |
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Big doses of vitamin C may lower blood pressure
(Medical Xpress) -- Taking large doses of vitamin C may moderately reduce blood pressure, according to an analysis of years of research by Johns Hopkins scientists. But the researchers stopped short of suggesting people load ...
Health
Apr 18, 2012 |
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Eating citrus fruit may lower women's stroke risk
A compound in citrus fruits may reduce your stroke risk, according to research reported in Stroke: Journal of the American Heart Association.
Cardiology
Feb 23, 2012 |
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Low vitamin C levels may raise heart failure patients' risk
Low levels of vitamin C were associated with higher levels of high sensitivity C-Reactive protein (hsCRP) and shorter intervals without major cardiac issues or death for heart failure patients, in research presented at the ...
Cardiology
Nov 13, 2011 |
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Additives meant to protect vitamin C actually cause more harm
Anti-caking agents in powdered products may hasten degradation of vitamin C instead of doing what they are supposed to do: protect the nutrient from moisture.
Health
Sep 28, 2011 |
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Treatment with vitamin C dissolves toxic protein aggregates in Alzheimer's disease
Researchers at Lund University have discovered a new function for vitamin C. Treatment with vitamin C can dissolve the toxic protein aggregates that build up in the brain in Alzheimer's disease. The research findings are ...
Medical research
Aug 18, 2011 |
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New cancer imaging technique uses vitamin C to detect more aggressive tumours
Cancer research UK scientists have developed a new imaging technique that uses vitamin C to detect cancers likely to be more aggressive or resistant to treatment, according to a study published in the Journal of the American Ch ...
Cancer
Aug 04, 2011 |
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Better to eat kiwifruit than to take vitamin C supplements
(Medical Xpress) -- University of Otago, Christchurch, researchers have found that a natural fruit source of vitamin C – kiwifruit – is vastly superior to a purified supplement form.
Health
May 27, 2011 |
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Vitamin C does not lower uric acid levels in gout patients
Despite previous studies touting its benefit in moderating gout risk, new research reveals that vitamin C, also known ascorbic acid, does not reduce uric acid (urate) levels to a clinically significant degree in patients ...
Health
May 16, 2013 |
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Vitamin C may head off lung problems in babies born to pregnant smokers
Pregnant women are advised not to smoke during pregnancy because it can harm the baby's lungs and lead to wheezing and asthma, among other problems. If a woman absolutely can't kick the habit, taking vitamin C during pregnancy ...
Pediatrics
May 04, 2013 |
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New research into optimising our levels of vitamin C
(Medical Xpress)—A daily vitamin C intake equivalent to eating two kiwifruit a day is required to ensure our muscles maintain optimal levels, researchers from the University of Otago, Christchurch have found.
Health
Mar 04, 2013 |
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Vitamin C is beneficial against the common cold
(Medical Xpress)—According to an updated Cochrane review on vitamin C and the common cold, vitamin C seems to be particularly beneficial for people under heavy physical stress.
Health
Feb 13, 2013 |
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Vitamin C
Vitamin C or L-ascorbic acid is an essential nutrient for humans, a large number of higher primate species, a small number of other mammalian species (notably guinea pigs and bats), a few species of birds, and some fish.
Ascorbate (an ion of ascorbic acid) is required for a range of essential metabolic reactions in all animals and plants. It is made internally by almost all organisms, humans being a notable exception. Deficiency in this vitamin causes scurvy in humans. It is also widely used as a food additive.
The pharmacophore of vitamin C is the ascorbate ion. In living organisms, ascorbate is an anti-oxidant, since it protects the body against oxidative stress, and is a cofactor in several vital enzymatic reactions.
Scurvy has been known since ancient times. People in many parts of the world assumed it was caused by a lack of fresh plant foods. The British Navy started giving sailors lime juice to prevent scurvy in 1795. Ascorbic acid was finally isolated by 1933 and synthesized in 1934. The uses and recommended daily intake of vitamin C are matters of on-going debate. A recent meta-analysis of 68 reliable antioxidant supplementation experiments involving a total of 232,606 individuals concluded that consuming additional ascorbate from supplements may not be as beneficial as thought.
For more information about Vitamin C, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
