Let’s have a blast today—let’s go bananas! – By Dr Harold Gunatillake
Sri Lankans are passionate about bananas. Bananas are a superfood that is abundantly available throughout Sri Lanka.
Expertly crafted by Dr. Harold
Gunatillake,
Dedicated health writer serving
the Sri Lankan community around
the globe.
Fresh bananas, a versatile and often underestimated fruit, are delicious and convenient and a staple enjoyed globally. They serve as an ideal on-the-go snack, a natural smoothie sweetener, and an essential ingredient in various culinary creations. Beyond the fruit, banana peels are a treasure trove of health benefits, delivering vital nutrients, supporting bodily systems, and aiding in combating various ailments. Embrace bananas as a powerful addition to your diet!
In Sri Lanka, the banana variety known as “Seeni Kesel” (also called “Anamalu”) stands out for its high nutritional value. Its lower sugar content makes it a recommended choice for those with digestive issues or diabetes, offering unique health benefits that other banana varieties may not provide.
Seeni Kesel is rich in fibre, which aids digestion, and its sugar content is lower, even though it is called ‘Seeni’ compared to other bananas. Due to its medicinal properties, Seeni Kesel is consumed when you are unwell.
Don’t let their unripe appearance fool you; green bananas are a powerhouse of health benefits. They are less sweet and contain less sugar than yellow bananas, which are fully ripe. Additionally, green bananas have more resistant starch, which may help manage blood sugar and contribute to overall health. You’re making a bright and healthy dietary choice by choosing green bananas.
Green-skinned bananas, still unripe and in their early ripening stage, have a green peel. They are commonly used in cooking, particularly in delicious curry dishes. This distinction between green and ripe bananas is essential, affecting their nutritional content and potential health benefits.
Nutrients Found in Bananas include:
- Potassium: An essential mineral that regulates blood pressure, among other functions.
- Vitamin C: An essential vitamin for collagen synthesis and immune function.
- Vitamin B6: An essential vitamin used for the metabolism of food and the formation of neurotransmitters.
- Carbohydrates: Bananas contain a high percentage of carbohydrates in the form of sugars, which provide quick energy.
- Dietary Fiber: A relatively high fibre content for fruit, which supports healthy digestion and the prevention of constipation. Fibre also helps to add bulk to meals and control appetite.
- Low fat: Though low in fat, bananas still contain small amounts of fatty acids or sterols, a type of phytosterol that helps to regulate cholesterol in the body.
Bananas are suitable for various diets because they contain these nutrients and limited fat content. They can be significant for athletes or very active individuals who may need extra fuel for their workouts.
Potassium is the mineral for which bananas are most famously known. Bananas are often promoted as an excellent food for heart health because they can help lower or control blood pressure. This improves heart health and may protect against stroke, kidney stones, and bone loss.
In addition to benefiting heart health, potassium is essential for the function of all living cells. It plays a crucial role in muscle function and helps prevent muscle soreness, fatigue, and weakness. For this reason, bananas are recommended for athletes and active individuals.
Bananas are also a source of antioxidants, such as dopamine and catechins, which help protect cells and other structures in the body from oxidative damage. This may reduce the risk of certain chronic diseases, including heart disease and degenerative conditions. Although these effects have been observed in test tube studies, more research is needed to understand how these antioxidants work in the body. Whether these benefits are transferred to humans when bananas are consumed as part of a balanced diet remains to be determined.
Benefits of Digestive Health
Bananas offer significant benefits for digestive health and can help alleviate digestive issues while fostering a healthy gut environment. Like many fruits, bananas are rich in dietary fibre, which helps regulate stool movements and maintain regular bowel habits, effectively preventing constipation. Dietary fibre also serves as food for beneficial bacteria in the large intestine, promoting a balanced gut microbiome.
Additionally, bananas provide unique advantages beyond their fibre content. Unripe bananas are exceptionally high in prebiotics—non-digestible components that encourage the growth of beneficial bacteria in the colon and reduce the likelihood of harmful microbes developing.
Prebiotic Properties
Prebiotics are non-digestible dietary fibres that promote the growth of beneficial bacteria in the intestines. They include inulin, pectin, and resistant starch. By increasing the number of “good” bacteria in the gut, prebiotics provide several health benefits. This is important because the bacteria in the gut convert prebiotics into beneficial metabolites.
Bananas are particularly rich in a prebiotic compound known as fructooligosaccharides, which can make up to 70% of their total carbohydrate content. Research involving human studies has shown that consuming these banana-derived prebiotics can enhance digestive health and may help reduce the risk of gastrointestinal disorders.
Additionally, various laboratory experiments have indicated that the breakdown products of prebiotic fibres can stimulate immune function and potentially lower the risk of colon cancer and gastrointestinal infections.
Benefits of Cardiovascular Health
Bananas offer a variety of cardiovascular benefits. One key advantage is their high potassium content, which helps to lower blood pressure and support heart health. Maintaining healthy blood pressure levels is crucial for preventing and managing hypertension and other cardiovascular diseases. Each banana contains approximately 400 to 450 milligrams of potassium, making it an excellent source to incorporate into a healthy diet. An average adult should aim to consume between 3,500 and 4,700 milligrams of potassium daily, which equates to about 7 to 10 bananas.
In addition to potassium, bananas are a good source of fibre, which further promotes heart health. Research has shown that fibre can help lower cholesterol levels, contributing to improved cardiovascular well-being. An average banana provides between 2.5 to 3 grams of fibre, while adult males and females should target daily fibre intakes of around 38 and 25 grams, respectively.
Bananas also contain a variety of antioxidants that help reduce inflammation, which is beneficial for heart function. A significant antioxidant found in bananas is vitamin C, with one banana providing approximately 15% of an adult’s daily vitamin C needs.
Adopting a healthy lifestyle and diet is essential for preventing heart disease. Diets such as plant-based, vegetarian, or Mediterranean can significantly reduce the risk of heart disease. Overall, bananas are a valuable addition to a balanced and heart-healthy diet.
Conclusion
As the saying goes, “An apple a day keeps the doctor away.” I hope this article provides useful information about bananas.
End.
