Sunday, April 30, 2017

Which Berries Are Best For you?

Which Berries Are Best?
By Erin Elizabeth - December 14, 2016

By Dr. Mercola
What would the world be like without the fresh, delicious flavors, colors and textures that berries provide to your diet?
More specifically, what would it be like if berries tasted good but didn’t provide all the nutrients they do? Chances are we wouldn’t be as healthy and, surprisingly, many of their health benefits come as a package deal with their flavors and even their vibrant colors.
Berries are loaded with vitamins, minerals and micronutrients that impart a host of health advantages. Some of these benefits are fairly recent scientific discoveries, and some of the berries themselves are relatively unfamiliar on the North American landscape.
All berries contain similar amounts of vitamin C, but a single cup of strawberries has 150 percent of the Dietary Reference Intake (RDI). Additionally, berries are relatively low in calories; one cup of strawberries contains 49, while blueberries have 84.
Nearly anyone can eat berries in moderation, including those on a vegetarian, vegan, paleo or Mediterranean diet, provided it’s actually fruit with no additives such as sugar, and you pay attention to the fructose amounts you’re ingesting.
Super Antioxidant Power in Berries
One of the most game-changing properties of berries is their antioxidant power, which helps keep free radicals in check and fights inflammation. Authority Nutrition explains:
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One study identified nutritional stress as one of the most significant negatives in terms of your health. The lack or complete absence of some nutrients depends on several factors, but it will definitely influence your physiological condition.
The damaging effects of insufficient nutrients can involve your adrenal gland function and increase release of catecholamines in your blood with a simultaneous inhibition of insulin production in your pancreas.
( says catecholamines are neurotransmitters such as epinephrine and dopamine, which affect the nervous system.)
Blueberries, strawberries, raspberries, cranberries and blackberries, for instance, are known as some of the world’s best dietary sources of bioactive compounds, aka BAC.
These antioxidant compounds can be heart-protective in your body (when you eat them in beneficial amounts) and can be thanked for helping to alleviate and prevent such diseases and disorders as neurodegeneration, diabetes, inflammation and even cancer.

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Black, Red and Blue Berries Fight Oxidative Stress
Strawberries, blueberries and blackberries have been tapped for their ability to lower oxidative stress, which News Medical calls “an imbalance between the production of free radicals and the ability of the body to counteract or detoxify their harmful effects through neutralization by antioxidants.” One study says:
“Oxidative stress is a normal phenomenon in the body (which) can also be viewed as an imbalance between the pro-oxidants and antioxidants in the body.
…The harmful effect of free ROS (reactive oxygen species) and RNS (reactive nitrogen species) radicals causing potential biological damage is termed oxidative stress.
The primitive steps in development of cancer, mutation and ageing are the result of oxidative damage to the DNA in a cell. A list of oxidized DNA products has been identified currently which can lead to mutation and cancer.”
Another study indicated that blueberries, blackberries and raspberries exert the most antioxidant energy of the most common fruits, with the exception of pomegranates.
Further, blueberries are an example of a food that contains antioxidants associated with cognitive improvement, along with reductions in neurodegenerative oxidative stress.
One study in Italy revealed that about 2 cups of blueberries can protect against DNA damage. Ten young volunteers were given that amount of blueberries (or a “placebo” of sorts). Blood tests done before and afterward were evaluated, and the blueberry group showed significantly reduced DNA damage within one hour.
In another review, 31 healthy people ate about the same amount of strawberry purée daily for 30 days, and their oxidants and anti-oxidants leveled out. One pro-oxidant marker was reduced by 38 percent.
Berries Have Multiple Benefits for Your Whole Body
There are numerous advantages to eating berries, as clinical studies demonstrate:
They may improve your blood sugar and insulin response, even with high-carb foods.
One study involved females who ate bread (which causes high glucose and insulin responses) with strawberries, bilberries or lingonberries, versus raspberries, cloudberries or chokeberries, resulting in a 24- to 26-percent drop in insulin levels.
Berries come with lots of fiber, including insoluble fiber, which slows the rate at which food moves through your colon and in turn diminishes hunger. This may decrease calorie intake and help you absorb up to 130 fewer calories per day.
They’re potentially therapeutic for your skin, reducing wrinkles and skin damage from free radicals (particularly ellagic acid) and may block the production of enzymes that break down collagen.
Berries may protect against cancer, due to the anthocyanin, ellagic acid and resveratrol content. Studies showed raspberries to have a positive effect on colon cancer patients, and strawberries to have beneficial effects against liver cancer cells.
Better heart health and artery function are additional benefits. Endothelial cells, which line your blood vessels, help control blood pressure and prevent blood from clotting. Inflammation can damage them, but berries were shown to improve endothelial function in healthy and unhealthy patients.
Cranberries, acai berries, raspberries, strawberries, blackberries and blueberries are the ones identified as being the healthiest for women’s hearts in particular, as they contain high amounts of polyphenols, flavonoids and anthocyanins.
Less Familiar Berries Also Have Benefits
There are arguably hundreds of varieties of berries throughout the world, and the majority have amazing health benefits, as shown below:
Tart and full of flavor, tiny maqui berries are found growing wild in southern Chile.
They have also been used for millennia therapeutically, mostly to combat inflammation, which modern studies have supported.
They’re noted for containing anthocyanins and polyphenols, as well as vitamin C, iron, calcium and potassium.
Tangy camu camu berries, the size of large grapes, are grown on a bush in the Amazon.
They’re known for fighting colds and flu due to their plentiful vitamin C content; reportedly as much as 60 times more than an orange.
Studies show they’re good for your eyes, skin, gums and brain function and have multiple other benefits.
Goldenberries are named for their color and usually come in the dried variety rather than fresh in the U.S.
They’re known for being filling, possibly helping you to eat less, and regulating your metabolism.
Rich in fiber as well as protein and B vitamins, they also contain lots of anti-inflammatory antioxidants.
Besides being associated with cardiovascular health, acai berries from the Amazon rainforest have 10 times the antioxidant vitamins as grapes and twice that of blueberries.
Acerola cherries are found in regions such as South America, Southern Mexico and Asia.
They contain high amounts of vitamin C — nine times the amount found in an orange and more than any other food source.
They’re low calorie and contain high amounts of beta-carotene and flavonoids when they remain intact.
Pacific Island noni berries have a long history of traditional medical uses, from urinary tract infections to menstrual cramps and diabetes to liver disease.
It contains vitamins C, B3 (niacin) and A, calcium, iron and potassium.
Boysenberries, a cross between a blackberry and a raspberry or loganberry, have their own set of nutritional advantages.
While they have a fair amount of carbohydrates in every 1-cup serving, they’re loaded with fiber, minerals, vitamins and 2.5 grams of protein.
Recent reports have put acai berries in the superfood category, as they too, are rich in anthocyanins, and are known for having high antioxidant activity and cell-protective qualities.
They also contain 19 amino acids and fatty acids making them good for your heart and neuron protective.
Bilberries are smaller than blueberries but are otherwise similar, and they contain impressive amounts of  antioxidant anthocyanins.
They’re known for their ability to fight diabetes and enhance night vision, as well as protect your vision and even improve symptoms of cataracts and macular degeneration.
The aronia, aka black chokeberry, is native to the eastern U.S., as well as Europe.
About the size of a large blueberry, it contains five times the amount of flavonoids and anthocyanins compared to cranberry juice, with action related to cervical tumor cells.
While aronia is not palatable due to its bitter flavor (hence the pseudonym), it’s popular as a tea and dessert ingredient nonetheless.
Bright red goji berries (aka wolf berries) are grown in Nepal and Tibet and have had a long run in traditional medicinal therapies linked to longevity, strength, mood and sexual vigor.
Studies show goji berries may be beneficial for diabetes, be heart protective, improve sexual function and benefit both your brain and vision.
Gooseberries, known for their puckery-sour taste, were a favorite for the tart pies your grandmother used to make.
Visually unlike most other berries, with their translucent skin and ribbed flesh, gooseberries contain lots of fiber, potassium and 70 percent of the vitamin C you need in one day.
One study found them to be potentially useful in cancer treatment and prevention.
Keep in Mind the Fructose Contained in Berries
Fruit can be advantageous for your health, but it’s important to bear in mind that excess amounts of fructose are anything but good for you. The health benefits are available only when it’s the whole fruit (even if it’s pureed) and nothing but the fruit. It should go without saying, but fruit juices, canned varieties and snacks such as fruit roll-ups are more often than not laced with loads of sugar, or even worse, high-fructose corn syrup.
Check food labels to make sure you’re not bringing a toxic substance into your home for your family to consume, and limit your intake of fructose, including that from fresh fruit, to 15 to 25 grams per day, depending on your current health status. Whenever possible, choose organic, whether you’re buying berries or other fruits and vegetables.

*Article originally appeared at Mercola.


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