15 Best Blackberry Benefits
by Meenakshi Nagdeve last updated - February 19, 2019
Health benefits of blackberry include better digestive health, strengthened immune defense, healthy functioning of the heart, prevention of cancer, and relief from endothelial dysfunction. Blackberry provides cognitive benefits and aids in enhancing memory, weight management, keeping the bones strong, skin care, improving vision, keeping disease-free eyes, and normal blood clotting. It may also serve as a valuable food during pregnancy owing to an impressive gamut of nutrients.
What is Blackberry?
Blackberry is a delicious and versatile fruit, belonging to the Rubus genus in the Rosaceae family which also includes raspberry and dewberry. [1] Native to the Northern temperate areas of the globe, blackberry has been honored as the official fruit of the state of Alabama and is found copiously in North America and the Pacific coast. [2] Ancient cultures perceived blackberry plant as a weed or a wild plant, yet its medicinal history goes back to more than 2000 years. History reveals the traditional usage of blackberry fruit, leaf, bark, and roots by the Romans and Greeks for healing numerous health conditions ranging from mild infections to venomous bites. In fact, during the 18th century, the Greek cure of using blackberry for treating gout was so influential in Europe that it was famously known as the ‘gout berry’. Recent scientific pieces of evidence have contributed extensively in unearthing the therapeutic potential of blackberries and their worldwide consumption.
Blackberry plant has a biennial erect or partially erect stem with sharp spikes and dark green leaves with clusters of pinkish-white blossoms. [3] It yields a purple-black aggregate fruit which comprises multiple smaller fleshy segments or drupelets. Blackberries have a fragile and smooth skin with a greenish core which lengthens nearly to the base of the berry. [4] Immature blackberries are generally red or green and hard to touch and they later turn into black, soft, juicy, and glossy fruits on ripening.
Nutritional Value of Blackberry
Blackberries are tasty and nutrient dense fruits which store a fine range of nourishing components. [6] Vitamins provided by blackberries include vitamin A, vitamin B1 (thiamine), vitamin B2 (riboflavin), vitamin B3 (niacin), vitamin B6, folate, vitamin C (ascorbic acid), vitamin E (alpha-tocopherol), and vitamin K (phylloquinone). [7] According to the USDA National Nutrient Database, the mineral wealth of blackberries includes calcium, iron, magnesium, phosphorous, potassium, and zinc. [5] Blackberries are also a good source of amino acids and essential dietary fiber, and they do not contain any harmful cholesterol.
Health Benefits of Blackberry
Benefits of blackberry provide respite in various health conditions that have been discussed as under:
Antioxidant Potential
Blackberries contain a profuse amount of powerful antioxidants which protect the body in multiple ways. [8] Components such as phenolic acids, flavonoids, and flavonols, particularly anthocyanosides, present in blackberries work against the harmful oxygen free molecules and counteract their action. This protective radical scavenging activity protects the body from a range of diseases caused as a consequence of oxidative damage which may be the underlying cause of many fatal conditions. Researcher Wang SY of Beltsville Agricultural Research Center in a study has concluded blackberries to have the third highest ORAC – oxygen radical absorbance capacity (antioxidant capacity) fruit, following strawberries and black raspberries. [9]
Anti-cancer Properties
Blackberry fruit is effective against the development of cancer including lung cancer, colon cancer, and esophageal cancer. The micro-nutrients present in blackberries exert a chemo-preventive effect and prevent the proliferation of malignant cells. [10]
Blackberry extracts inhibit carcinogenesis and associated cell signaling. It also possesses chemopreventive effects, according to a study published in Nutrition and Cancer by researchers of National Institute for Occupational Safety and Health. [11]
A book named ‘Cancer Uncensored’ by Christopher C. Evans mentions that blackberries can initiate anti-cancer activity owing to the presence of anthocyanin in them. [12]
Prevents Endothelial Dysfunction
Blackberries provide protection against the endothelial dysfunction which is characterized by an abnormal functioning of the inner lining of blood vessels. As suggested by a study cited in Elsevier’s Life Science journal, they contain useful components such as cyanidin-3-O-glucoside, which fight the oxidative activity and help in normalizing multiple critical factors implicated in such conditions. [13] It also helps in reducing DNA damage and guards against vascular failure.
Boosts Cognition
Blackberry also extends its beneficial effect in improving the cognitive functions of the body. A study was conducted by Dr. Barbara Shukitt-Hale, et al., USDA-ARS Human Nutrition Research Center on Aging at Tufts University, Boston on aged rats in 2013. [14] The results suggest that the polyphenolic components present in blackberries help slow down the age-related decline in motor and cognitive activity attributing to their super antioxidant power. Regular consumption of blackberries may prove useful in enhancing memory performance and improving behavioral and neuronal functions.
Improves Digestion
Blackberries are a source of both insoluble and soluble fiber essential for the optimum functioning of the digestive system. [6] Insoluble fiber in blackberries encourages easy and better absorption of water in the large intestine and adds bulk to the stools. This aids in regular bowel movements, freedom from constipation, and apt digestive health.
Healthy Heart
The richness of flavonols such as anthocyanins in blackberry makes it a heart-friendly fruit. Other useful components such as magnesium and fiber present in blackberries prevent the arteries from getting blocked and stimulate a smooth flow of blood. This reduces the risk of various heart diseases such as stroke and atherosclerosis and maintains cardiovascular health. Magnesium, in blackberries, also helps in regulating the blood pressure and prevents cardiac arrhythmia and irregular contraction.
Boosts Immunity
Blackberries help in improving the immune system of the body, due to the presence of phytoestrogens, vitamins, and minerals. [15] Regular consumption of blackberries helps fight various pathogens and protects the body from infections and other fatal illnesses.
Weight Management
Attributing to very low amounts of sugar, blackberries assist in healthy weight management. Effective cleaning of the bowels owing to the fiber content in blackberries and very few amounts of calories make it an excellent snack during weight loss attempts.
Healthy Bones
Blackberry contains vital minerals such as magnesium and calcium, which are essential for maintaining healthy bones. [16] Calcium strengthens the bones and magnesium facilitates the absorption of calcium and potassium into the body. [17] [18] In addition to this, phosphorus present in blackberry aids in the regulation of calcium, thus assisting in building strong bones and also contributing to proper cellular functioning.
Skin Care
Blackberry can serve as a delicious aid in maintaining beautiful skin, says Allison Tannis a leading Canadian nutritional scientist and educator in her book ‘Feed Your Skin, Starve Your Wrinkles’. [19] Blackberry is packed with multiple skin-friendly nutrients like vitamin C, vitamin E, and other potent antioxidants. Vitamin E present in blackberry helps in maintaining the health of skin fats and prevents the skin from wrinkles. Apart from protecting the skin from oxidative damage, vitamin C, present in blackberry, is also responsible for the formation and strengthening of collagen structure which is the basis of connective tissue and thus aids in keeping the skin toned and tightened.
Improves Vision
Blackberry is useful for maintaining healthy eyes. Regular consumption of blackberries helps in protecting the eyes from ultra-violet radiations, attributing to the presence of lutein. [20] Lutein forms a protective pigment called macula in the area behind the retina and prevents it from the damage caused by oxidative stress and high wavelength light radiations. Furthermore, anthocyanosides and vitamins present in blackberries enhance the vision and protect the eyes from various diseases such as macular degeneration, cataract, and night blindness.
Normal Blood Clotting
Blackberries contain a good amount of vitamin K, which helps in normal clotting of blood. [21] It also helps in preventing excessive bleeding from slight injuries and aids in healing wounds. Vitamin K present in blackberries is also essential for protein modification and plays an important role in protecting bones from osteoporosis.
Useful in Pregnancy
Blackberry is very beneficial for pregnant women. [22] As a source of natural folate, blackberry contributes to the optimum growth of the cells and tissues and helps reduce the risk of birth defects in babies. [23] Folate is a critical nutrient required for better cellular functioning in all age groups. Vitamin C and other antioxidants help boost the disease-fighting power of the expectant mother, and the presence of essential minerals such as calcium, iron, magnesium, and phosphorus in blackberry strengthens bones and contributes to keeping her healthy. Besides, it has a refreshing taste which makes it a healthy option for a quick snack during pregnancy.
Culinary Use
Blackberry can be added to fresh fruit salads, baked goods such as tarts, cakes, and pies or they can be used to prepare jellies or preserves. [6] They can also be combined with other fruits to prepare fruit salsa which can be served with crisps and chips. Blackberry serves as a delicious topping over various desserts including ice creams as well. [24] Blackberries are also used in the preparation of wines and are available in canned and dried form too.
Use of Blackberry Leaves
Leaves of blackberry plant have been found effective in curing diarrhea and dysentery since early times, and have also been a topic of interest for modern research. [1] This is attributed to the abundance of astringent tannins in the herb, which helps control such conditions in the digestive tract. Another benefit of astringent tannins in blackberry leaves is their healing effect on wounds. External application of tincture or infusion made from blackberry leaves helps in the constriction of blood vessels and cure small injuries. The astringent qualities of blackberry leaf may also prove useful in the soothing a sore throat and treating hemorrhoids.
How to Select & Store Blackberry?
Pick fresh, aromatic blackberries, devoid of any mushiness. [16] Generally, perfectly ripe blackberries, which are ready to eat, have a deep black color, while the ones that are not fully ripe may have dark red or purple color. When buying blackberries packaged in a box, look for any visible stickiness between the blackberries. Blackberries sticking to one another or inclining to the container may indicate budding spoilage. Blackberries perish quickly and should ideally be consumed within 3-4 days of purchase. They may be kept in a shallow vessel without making multiple layers or they can be placed on one another and then refrigerated to avoid decay by covering the container with a loose plastic wrap. For further usage, blackberries may be frozen by arranging them in a baking tray with a rim, again in a single layer. Once they are frozen, they may be shifted to a zipper freezer bag, sealed, and put back into the freezer again. As these frozen berries may become soggy when defrosted, they may be apt for cooking purposes.
Side Effects of Blackberry
If you are not allergic to berries, then blackberries are the fruit for you. However, some pieces of evidence have shown that the presence of tannins in blackberry may contribute to the development of tumors if consumed in high concentrations. [1] The good news is that blackberry fruit has very small quantities of tannins which usually do show any detrimental effects.
Black tea leaf: Extra caution is advised regarding the intake of blackberry leaf tea or decoction. Consumption of large quantities of blackberry leaf tea elevates a number of tannins in the body tremendously and may cause stomach complications such as nausea and vomiting. Experts generally recommend the usage of milk in the preparation of blackberry leaf tea to neutralize the effect of tannins. People who are already suffering from cancer or have a previous history of such diseases should avoid the usage of tea made from blackberry leaves.
Blackberry root: Blackberry root is also a profuse source of tannins and is not recommended for individuals suffering from chronic gastrointestinal problems such as colitis.
Pregnancy and children: Pregnant and lactating mothers may eat blackberry fruit in normal amounts but should avoid the usage of blackberry leaf tea. Children under 24 months should not be given blackberry leaf tea. For older children and old people over the age of 65 years, it is recommended to consult a doctor for a correct prescription of the blackberry leaf tea.
Blackberry leaf may result in allergic reactions ranging from mild to severe. An opinion from a medical expert is always recommended to discuss an individual’s existing symptoms, correct dosage, and the potential risks before considering blackberry leaf tea for therapeutic purposes so that any undesirable conditions are avoided. In case you notice any allergic reactions post the consumption of blackberry or blackberry leaf tea, consult a healthcare professional immediately.
Summary
Blackberry is a multipurpose plant with its usage varying from food to major medicinal benefits. It is even used as a natural dye and food colorant, owing to the presence of anthocyanins which gives color to the blackberries. Traditional usage of blackberries, its roots, stems, and leaves for therapeutic purposes and its unique and refreshing taste have been drawing a great deal of attention from consumers and medical researchers for further research. So don’t forget to pick up some blackberries to accentuate the taste and health factor of the next pie you are going to bake or the regular fruit salad you eat.
References
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Originally Posted by Dr.3D
When incorporating fruit into the diet, keep in mind timing for eating it-it has fructose and eating that has consequences both potentially positive and negative.
oops. Point is still valid WRT other fruits, tho. 
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