Cocoa flavanols refer to natural compounds found in cocoa beans. They are known for their health benefits and can have a positive impact on our body, especially on our heart and brain.
Full definition
A new, extensive five - year study on the effects
of cocoa flavanols on cardiovascular disease is slated to begin in 2015 and will hopefully reveal more about the antioxidant's impact on memory.
In their recent review published in Frontiers in Nutrition, Italian researchers examined the available literature for the effects of acute and chronic administration of
cocoa flavanols on different cognitive domains.
In a review of 19 randomized control trials, it was shown that daily
cocoa flavanol intake of 200 - 600 mg resulted in significantly lower levels of insulin and fasting blood sugar.
These two studies in Age and BJN are the first to look at the different effects
dietary cocoa flavanols can have on the blood vessels of healthy, low - risk individuals with no signs or symptoms of cardiovascular disease.
The studies also provide novel data to indicate that intake of
cocoa flavanols reduces the risk of developing cardiovascular disease (CVD).
Consuming a beverage
containing cocoa flavanols improves blood vessel function in patients with kidney failure, according to a study appearing in an upcoming issue of the Clinical Journal of the American Society of Nephrology (CJASN).
After 30 days, the investigators found that
cocoa flavanol ingestion was well - tolerated by patients and it improved blood vessel function and reduced diastolic blood pressure.
Here, for instance, is an NPR article explaining «a study that
found cocoa flavanols can help boost mood and sustain clear thinking among adults who are engaged in intense mental efforts — like students cramming, or journalists on deadline.»
Previous research has
tied cocoa flavanols to a number of health benefits, including reduced risk of heart disease, stroke and hypertension.
He suggested these findings would be of specific interest to chocolate manufacturers responding to a demand for healthier chocolate, citing Mars's CocoaVia range, which promises to deliver 375 mg of
cocoa flavanol antioxidants per serving.
Our chocolate is made from cocoa beans specifically selected and handled to retain the naturally
occurring cocoa flavanols — the good stuff in dark chocolate.
The company received the right to use the health claim that «
cocoa flavanols help maintain the elasticity of blood vessels, which contributes to normal blood flow.»
Two recently published studies in the journals Age and the British Journal of Nutrition (BJN) demonstrate that
consuming cocoa flavanols improves cardiovascular function and lessens the burden on the heart that comes with the aging and stiffening of arteries.
In an accompanying editorial, Carmine Zoccali, MD and Francesca Mallamaci, MD (CNR - IFC, in Italy) noted that «the burden of cardiovascular disease in dialysis patients is so devastating that a promising intervention
like cocoa flavanols deserves full attention by the nephrology community.»
It has the highest amount of cocoa derived natural epicatechin compared to other supplements and also contains many more beneficial compounds from cocoa such
as cocoa flavanols and theobromine.
The
term cocoa flavanol and cocoa flavonoids are usually used interchangeably with cocoa extract.
Researches at Harvard have found that the compounds in dark chocolate,
called cocoa flavanols, have been linked to better thinking skills.
Findings from the two studies
demonstrate cocoa flavanols reduce age - related blood vessel changes, a benefit critically important for health.
Participants consumed either a placebo beverage or a cocoa beverage that contained 320 mg
total cocoa flavanols.
This research demonstrated that eating the dark chocolate with a high cocoa content (70 to 80
percent cocoa flavanols) increases endothelium - dependent vasodilatation, or the elastic ability of the artery to expand and contract.
In another study, people who were diagnosed with mild cognitive impairment were given either 1 g or 0,5 g of
cocoa flavanols for 8 weeks.
Chocolate and the brain: Neurobiological impact of
cocoa flavanols on cognition and behavior.
Earlier studies have demonstrated that
cocoa flavanol intake improves the elasticity of blood vessels and lowers blood pressure — but, for the most part, these investigations have focused on high - risk individuals like smokers and people that have already been diagnosed with conditions like hypertension and coronary heart disease.
According their study, Italian researchers tested the effect
of cocoa flavanols in 90 healthy adults between the age of 61 to 81 whose memories and thinking skills were in pretty good shape for their ages.
The most delicious ones — your Snick Bars, Reese's Cups, and Milky Ways — don't contain very much actual cocoa (although though they do contain quite a lot of actual fat and actual sugar), and they certainly don't contain enough
cocoa flavanols to have much of an impact; to ingest 900 mg of cocoa flavanols, you'd need to put away 25 candy bars, according to Time.
There are two types of antioxidants used in beverages: those that help preserve the product itself such as mixed tocopherols and rosemary extract; and those with nutritional benefits (CoQ - 10, pycnogenol, berry extracts,
cocoa flavanols, etc.) Berry juices and extracts often are used for flavor as well as antioxidant benefits.
Barry Callebaut announced that the EU Commission approved its health claim submission on
cocoa flavanols.
Studies of
cocoa flavanols have come back with better blood pressure and cholesterol.
Barry Callebaut, manufacturer of high - quality cocoa and chocolate products, has announced that the EU Commission has approved its health claim submission on
cocoa flavanols (Regulation No 851/2013).
It can be consumed either before or after exercise and scientific studies demonstrate that within a few hours of consuming a product with
cocoa flavanols, the cocoa flavanols enter the body and start to help support your cardiovascular system.
Acute (20) as well as chronic (21) ingestion of flavanol - rich cocoa is associated with increased blood flow to cerebral gray matter and it has been suggested that
cocoa flavanols might be beneficial in conditions with reduced cerebral blood flow, including dementia and stroke (21).
CocoaVia is a cocoa extract supplement that delivers a high concentration of
cocoa flavanols.
The team randomized 57 dialysis patients to ingest either a test beverage rich in
cocoa flavanols (900 mg per day) or a control beverage that was free of cocoa flavanols but matched the nutrient content of the test beverage in all other aspects.
Tienush Rassaf, MD (University Hospital Essen, Germany) and his colleagues tested the potential of
cocoa flavanols, a subgroup of plant - derived polyphenols that are present in cocoa and have been shown to have beneficial effects on blood vessel function in individuals with normal kidney function.
He cited as an example Mars company's CocoaVia cocoa - extract supplement that promises to deliver 375 mg of
cocoa flavanols — antioxidants — in each serving to promote good health.
Aviva Rutkin reports that a group of middle - aged people fed 900 milligrams of
cocoa flavanols a day showed memory improvements...
The effects of relatively long - term ingestion of
cocoa flavanols (ranging from 5 days up to 3 months) has generally been investigated in elderly individuals.
In young and healthy adults, for example, a high demanding cognitive test was required to uncover the subtle immediate behavioral effects that
cocoa flavanols have on this group.
In other words: what happens to your brain up to a few hours after you eat
cocoa flavanols, and what happens when you sustain such a cocoa flavanol enriched diet for a prolonged period of time?
It turns out that for them cognitive performance was improved by a daily intake of
cocoa flavanols.
If you look at the underlying mechanism,
the cocoa flavanols have beneficial effects for cardiovascular health and can increase cerebral blood volume in the dentate gyrus of the hippocampus.
Although randomized controlled trials investigating the acute effect of
cocoa flavanols are sparse, most of them point towards a beneficial effect on cognitive performance.
Participants showed, among others, enhancements in working memory performance and improved visual information processing after having had
cocoa flavanols.
«This result suggests the potential of
cocoa flavanols to protect cognition in vulnerable populations over time by improving cognitive performance.
Endothelial function, nitric oxide, and
cocoa flavanols.
She works for Mars Symbioscience in Germantown, Md. «It is a common myth that chocolate with a high percent of cocoa solids (such as 70 percent dark chocolate) has higher levels of
cocoa flavanols,» she says.
Cocoa consumption,
cocoa flavanols, and effects on cardiovascular risk factors: An evidence - based review.