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November 20, 2015

Nutritional facts of Bananas

Bananas are one of the most widely consumed fruits in the world for good reason. The curved yellow fruit packs a big nutritional punch, wrapped in its own convenient packaging. Some scientists believe that the banana may have even been the world's first fruit.

Dan Koeppel, author of Banana: The Fate of the Fruit That Changed the World, traces the banana back to the Garden of Eden, where he believes it was the banana, not the apple, that was the "forbidden fruit" that Eve offered Adam.

Today, bananas are grown in at least 107 countries and are ranked fourth among the world's food crops in monetary value. Americans consume more bananas than apples and oranges combined.

With the world consuming so many bananas, its unsurprising that people are asking the question: are bananas good for you?. This article will take a look at the potential health benefits of bananas, such as lowering the risks of cancer and asthma, lowering blood pressure, improving heart health and promoting regularity. It also examines the possible health risks associated with them.

Health Benefits:
  • Asthma: A study conducted by the Imperial College of London found that children who ate just one banana per day had a 34% less chance of developing asthma.
  • Diabetes: Studies have shown that type 1 diabetics who consume high-fiber diets have lower blood glucose levels and type 2 diabetics may have improved blood sugar, lipids and insulin levels. One medium banana provides about 3 grams of fiber. The Dietary Guidelines for Americans recommends 21-25 g/day for women and 30-38 g/day for men.
  • Blood pressure: Maintaining a low sodium intake is essential to lowering blood pressure, however increasing potassium intake may be just as important because of its vasodilation effects. According to the National Health and Nutrition Examination Survey, fewer than 2% of US adults meet the daily 4700 mg recommendation. Also of note, a high potassium intake is associated with a 20% decreased risk of dying from all causes.
  • Cancer: Consuming bananas, oranges and orange juice in the first two years of life may reduce the risk of developing childhood leukemia. As a good source of vitamin C, bananas can help combat the formation of free radicals known to cause cancer. High fiber intakes from fruits and vegetables like bananas are associated with a lowered risk of colorectal cancer.
  • Heart health: The fiber, potassium, vitamin C and B6 content in bananas all support heart health. An increase in potassium intake along with a decrease in sodium intake is the most important dietary change that a person can make to reduce their risk of cardiovascular disease, according to Mark Houston, MD, MS, an associate clinical professor of medicine at Vanderbilt Medical School and director of the Hypertension Institute at St Thomas Hospital in Tennessee. In one study, those who consumed 4069 mg of potassium per day had a 49% lower risk of death from ischemic heart disease compared with those who consumed less potassium (about 1000 mg per day). High potassium intakes are also associated with a reduced risk of stroke, protection against loss of muscle mass, preservation of bone mineral density and reduction in the formation of kidney stones.
  • Treating diarrhea: Bland foods such as apple sauce and bananas are recommended for diarrhea treatment. Electrolytes like potassium are lost in large quantities during bouts of diarrhea and may make those affected feel weak. Bananas can help to promote regularity and replenish potassium stores.
  • Preserving memory and boosting mood: Bananas also contain tryptophan, an amino acid that studies suggest plays a role in preserving memory and boosting your mood.
Nutritional Breakdown:

One medium banana (about 126 grams) is considered to be one serving. One serving of banana contains 110 calories, 30 grams of carbohydrate and 1 gram of protein. Bananas are naturally free of fat, cholesterol and sodium.

Content of Vitamins and Minerals provided by Banana:

  • Vitamin B6 - .5 mg
  • Manganese - .3 mg
  • Potassium - 450 mg
  • Vitamin C - 9 mg
  • Vitamin A - 81 IU
  • Dietary Fiber - 3g
  • Magnesium - 34 mg
  • Protein - 1 g
  • Folate - 25.0 mcg
  • Riboflavin - .1 mg
  • Niacin - .8 mg
  • Iron - .3 mg
  • The recommended intake of potassium for adults is 4700 milligrams per day.

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