Bananas will no longer turn rotten or black after just a few days. Using this method, they can stay fresh for up to 2 years.Maintaining a balanced and nutritious diet is essential for a healthy lifestyle, and fruits and vegetables, including the beloved banana, provide vital vitamins and minerals for our well-being. Banana NutritionBananas offer a rich nutritional profile, providing abundant potassium along with moderate amounts of vitamin A, B vitamins, and vitamin C.The Challenge of Rotten BananasDespite their nutritional benefits, bananas present a dilemma—they often turn black and spoil within days of purchase, leaving consumers seeking effective preservation techniques.