Eating on a banana leaf is traditionally practices in Southern India.It is highly healthy. This is because when the hot food encounters the leaf, it emits vitamin C. More over here are few more reasons why you should eat on Banana leaf:
Add flavor to the food
Fights cancer, this is due to Polyphemus
Prevents Parkinson's disease
Kills the germs in food
Reduce the risk of Type II diabetes
Cures dysentery and diarrhea.
Helps the food to digest faster.
Thing to note: Banana Leaf cannot be consumed directly. Only eating on it or wrapping certain foods with banana leaves while steaming allows the food to absorb it's natural antioxidants and other nutrients.