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    Bananas - Organic / Fairtrade

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Food Percentage of DRI per 100 grams
vitamin B6
21  
manganese
14  
vitamin C
12  
fiber
10  
potassium
10  
copper
8  
biotin
8  

Wonderfully sweet with firm and creamy flesh, bananas come prepackaged in their own yellow jackets and are available for harvest throughout the year. The banana plant grows 10 to 26 feet and belongs to the Musaceae family of plants along with plantains. The cluster of fruits contain anywhere from 50 to 150 bananas with individual fruits grouped in bunches, known as "hands," containing 10 to 25 bananas.


This chart graphically details the %DV that a serving of Bananas provides for each of the nutrients of which it is a good, very good, or excellent source according to our Food Rating System. Additional information about the amount of these nutrients provided by Bananas can be found in the Food Rating System Chart. A link that takes you to the In-Depth Nutritional Profile for Bananas, featuring information over 80 nutrients, can be found under the Food Rating System Chart.

Health Benefits

Creamy, rich, and sweet, bananas are a favorite food for everyone from infants to elders. They could not be more convenient to enjoy, and they are a good source of both vitamins and minerals, as well as fiber.

Cardiovascular Health

A first type of cardiovascular benefit from bananas is related to their potassium content. Bananas are a good source of potassium, an essential mineral for maintaining normal blood pressure and heart function. Since one medium-sized banana contains a whopping 400-plus mg of potassium, the inclusion of bananas in your routine meal plan may help to prevent high blood pressure and protect against atherosclerosis.

The effectiveness of potassium-rich foods such as bananas in lowering blood pressure has been demonstrated by a number of studies. For example, researchers tracked over 40,000 American male health professionals over four years to determine the effects of diet on blood pressure. Men who ate diets higher in potassium-rich foods, as well as foods high in magnesium and cereal fiber, had a substantially reduced risk of stroke. We've also seen numerous prospective clinical research trials showing substantial reductions of blood pressure in individuals eating the potassium-rich DASH Diet.

A second type of cardiovascular benefit from bananas involves their sterol content. While bananas are a very low-fat food (less than 4% of their calories come from fat), one type of fat that they do contain in small amounts are sterols like sitosterol, campesterol, and stigmasterol. As these sterols look structurally similar to cholesterol, they can block the absorption of dietary cholesterol. By blocking absorption, they help us keep our blood cholesterol levels in check.

A third type of cardiovascular benefit from bananas involves their fiber content. At about 3 grams per medium banana, we rank bananas as a good source of fiber. Approximately one-third of the fiber in bananas is water-soluble fiber. For one medium-sized banana, this amount translates into 1 gram of soluble fiber per banana. Soluble fiber in food is a type of fiber especially associated with decreased risk of heart disease, making regular intake of bananas a potentially helpful approach to lowering your heart disease risk.

Digestive Benefits

Bananas are a fascinating fruit in terms of their carbohydrate and sugar content. Even though bananas are a fruit that tastes quite sweet when ripe—containing 14-15 grams of total sugar—bananas receive a rating of low in their glycemic index (GI) value. GI measures the impact of a food on our blood sugar. This low GI value for bananas is most likely related to two of their carbohydrate-related qualities.

First, as mentioned previously, a medium-size banana contains about 3 grams of total fiber. Fiber is a nutrient that helps regulate the speed of digestion, and by keeping digestion well-regulated, conversion of carbohydrates to simple sugars and release of simple sugars from digesting foods also stays well-regulated.

Within their total fiber content, bananas also contain pectins. Pectins are unique and complicated types of fiber. Some of the components in pectins are water-soluble, and others are not. As bananas ripen, their water-soluble pectins increase, and this increase is one of the key reasons why bananas become softer in texture as they ripen. As their water-soluble pectins increase, so does their relative concentration of fructose in comparison to other sugars. This increase in water-soluble pectins and higher proportional fructose content helps normalize the rate of carbohydrate digestion and moderates the impact of banana consumption on our blood sugar. The bottom line here are some surprisingly digestion-friendly consequences for a fruit that might be casually dismissed as being too high in sugar to be digestion-friendly.

Similar to the importance of their water-soluble pectins is the digestive importance of fructooligosaccharides (FOS) in bananas. FOS are unique fructose-containing carbohydrates that are typically not broken down by enzymes in our digestive tract. Instead, they move along through the digestive tract until they reach our lower intestine and get metabolized by bacteria. This process helps maintain the balance of "friendly" bacteria (for example, Bifidobacteria) in our lower intestine, and as a consequence, it also supports our overall digestive health.

In one study involving female participants, eating two bananas each day for two months led to significant increases in Bifidobacteria. Along with these increased levels of Bifidobacteria, participants also experienced fewer gastrointestinal problems and more regular bowel function when compared to other women in the study who drank a banana-flavored beverage that did not contain any actual banana.

Athletic performance

The unique mix of vitamins, minerals, and low glycemic carbohydrates in bananas has made them a favorite fruit among endurance athletes. Their easy portability, low expense, and great taste also help support their popularity in this exclusive group.

A 2012 study of distance cyclists found that eating the equivalent of about one half a banana every 15 minutes of a three-hour race was just as good at keeping energy levels steady as drinking an equivalent amount of carbohydrate and minerals from a processed sports beverage. Bananas have long been valued by athletes for prevention of muscle cramps. Since bananas are a good source of potassium, and since low potassium levels are known to contribute to risk of muscle cramps, it is logical to think about the potassium content of bananas as being the reason for fewer muscle cramps after consumption of bananas. There is actually some recent research in support of this reasoning. In a recent study, consumption of one or two bananas prior to an hour of exercise was shown to keep blood potassium levels higher after the training. But there are still some big unanswered questions here, since researchers are not convinced that low potassium levels are the most frequent cause of muscle cramps with training.

Description

Bananas are elliptically shaped fruits "prepackaged" by Nature, featuring a firm, creamy flesh gift-wrapped inside a thick inedible peel. The banana plant grows 10 to 26 feet in height and belongs to the family Musaceae. Banana fruits grow in clusters of 50 to 150, with individual fruits grouped in bunches, known as "hands," of 10 to 25 bananas.

Bananas abound in hundreds of edible varieties that fall under two distinct species: the sweet banana (Musa sapienta, Musa nana) and the plantain banana (Musa paradisiacal). Sweet bananas vary in size and color.

While we are accustomed to thinking of sweet bananas as having yellow skins, they can also feature red, pink, purple and black tones when ripe. Their flavor and texture range with some varieties being sweet while others have starchier characteristics. In the United States, the most familiar varieties are Big Michael, Martinique and Cavendish. Plantain bananas are usually cooked and considered more like a vegetable due to their starchier qualities; they have a higher beta-carotene concentration than most sweet bananas.

History

Bananas are thought to have originated in Malaysia around 4,000 years ago. From there, they spread throughout the Philippines and India, where in 327 B.C. Alexander the Great's army recorded them being grown.

Bananas were introduced to Africa by Arabian traders and discovered there in 1482 A.D. by Portuguese explorers who took them to the Americas, the place where the majority of bananas are now produced.

Bananas were not brought to the United States for sale in markets until the latter part of the 19th century and were initially only enjoyed by people in the seacoast towns where the banana schooners docked; because of the fruit's fragility, they were unable to be transported far.

Since the development of refrigeration and rapid transport in the 20th century, bananas have become widely available. Today, bananas grow in most tropical and subtropical regions with the main commercial producers including Costa Rica, Mexico, Ecuador and Brazil.

How to Select and Store

Since bananas are picked off the tree while they're still green, it's not unusual to see them this color in the store. Base your choice of bananas depending upon when you want to consume them. Bananas with more green coloration will take longer to ripen than those more yellow in hue and/or with brown spots.

Bananas should be firm, but not too hard, bright in appearance, and free from bruises or other injuries. Their stems and tips should be intact. The size of the banana does not affect its quality, so simply choose the size that best meets your needs.

While bananas look resilient, they're actually very fragile and care should be taken in their storage. They should be left to ripen at room temperature and should not be subjected to overly hot or cold temperatures. Unripe bananas should not be placed in the refrigerator as this will interrupt the ripening process to such an extent that it will not be able to resume even if the bananas are returned to room temperature.

If you need to hasten the ripening process, you can place bananas in a paper bag or wrap them in newspaper, adding an apple to accelerate the process. Ripe bananas that will not be consumed for a few days can be placed in the refrigerator. While their peel may darken, the flesh will not be affected. For maximum flavor when consuming refrigerated bananas, remove them from the refrigerator and allow them to come back to room temperature. For the most antioxidants, eat fully ripened fruit.

Bananas can also be frozen and will keep for about 2 months. Either puree them before freezing or simply remove the peel and wrap the bananas in plastic wrap. To prevent discoloration, add some lemon juice before freezing.

How to Enjoy

In addition to being eaten raw, bananas are a wonderful addition to a variety of recipes from salads to baked goods.

A few quick serving ideas:
  • A peanut butter and banana sandwich drizzled with honey is an all-time favorite comfort food for children and adults alike.
  • Add chopped bananas, walnuts and maple syrup to oatmeal or porridge.
  • Try our Tropical Breakfast Risotto in the Recipe File.

Individual Concerns

Bananas and Latex Allergy

Like avocados and chestnuts, bananas and plantain contain substances called chitinases that are associated with the latex-fruit allergy syndrome. There is strong evidence of the cross-reaction between latex and these foods.

Nutritional Profile

Bananas are a very good source of vitamin B6 and a good source of manganese, vitamin C, potassium, dietary fiber, potassium, biotin, and copper.

For an in-depth nutritional profile click here: Banana.

In-Depth Nutritional Profile

In addition to the nutrients highlighted in our ratings chart, an in-depth nutritional profile for Bananas is also available. This profile includes information on a full array of nutrients, including carbohydrates, sugar, soluble and insoluble fiber, sodium, vitamins, minerals, fatty acids, amino acids and more.

Introduction to Food Rating System Chart

In order to better help you identify foods that feature a high concentration of nutrients for the calories they contain, we created a Food Rating System. This system allows us to highlight the foods that are especially rich in particular nutrients. The following chart shows the nutrients for which this food is either an excellent, very good, or good source (below the chart you will find a table that explains these qualifications). If a nutrient is not listed in the chart, it does not necessarily mean that the food doesn't contain it. It simply means that the nutrient is not provided in a sufficient amount or concentration to meet our rating criteria. (To view this food's in-depth nutritional profile that includes values for dozens of nutrients - not just the ones rated as excellent, very good, or good - please use the link below the chart.) To read this chart accurately, you'll need to glance up in the top left corner where you will find the name of the food and the serving size we used to calculate the food's nutrient composition. This serving size will tell you how much of the food you need to eat to obtain the amount of nutrients found in the chart. Now, returning to the chart itself, you can look next to the nutrient name in order to find the nutrient amount it offers, the percent Daily Value (DV%) that this amount represents, the nutrient density that we calculated for this food and nutrient, and the rating we established in our rating system. For most of our nutrient ratings, we adopted the government standards for food labeling that are found in the U.S. Food and Drug Administration's "Reference Values for Nutrition Labeling." Read more background information and details of our rating system.

 

Banana, fresh
1.00 medium
118.00 grams
Calories: 105
GI: low
NutrientAmountDRI/DV
(%)Nutrient
DensityWorld's Healthiest
Foods Ratingvitamin B60.43 mg254.3very goodmanganese0.32 mg162.7goodvitamin C10.27 mg142.3goodfiber3.07 g122.1goodpotassium422.44 mg122.1goodbiotin3.07 mcg101.8goodcopper0.09 mg101.7goodWorld's Healthiest
Foods RatingRuleexcellentDRI/DV>=75% OR
Density>=7.6 AND DRI/DV>=10%very goodDRI/DV>=50% OR
Density>=3.4 AND DRI/DV>=5%goodDRI/DV>=25% OR
Density>=1.5 AND DRI/DV>=2.5%

In-Depth Nutritional Profile for Bananas

References

  • Duan X, Cheng G, Yang E, et al. Modification of pectin polysaccharides during ripening of postharvest banana fruit. Food Chemistry, Volume 111, Issue 1, 1 November 2008, Pages 144-149.
  • Gylling H, Plat J, Turley S, et al. Plant sterols and plant stanols in the management of dyslipidaemia and prevention of cardiovascular disease. Atherosclerosis 2014;232:346-60.
  • Miller KC. Plasma potassium concentration and content changes after banana ingestion in exercised men. J Athl Train 2012;47:648-54.
  • Mitsou EK, Kougia E, Nomikos T, et al. Effect of banana consumption on faecal microbiota: a randomized, controlled trial. Anaerobe 2011;17:384-7.
  • Nieman DC, Gillitt ND, Henson DA, et al. Bananas as an energy source during exercise: a metabolomics approach. PLoS One 2012;7:e37479.
  • Oliveira L, Freire CS, Silvestre AJ, et al. Lipophilic extracts from banana fruit residues: a source of valuable phytosterols. J Agric Food Chem 2008;56:9520-4.
  • Prabha P, Karpagam T, Varalakshmi B, et al. Indigenous anti-ulcer activity of Musa sapientum on peptic ulcer. Pharmacognosy Res 2011;3:232-8.