Making homemade wine is commonly practiced in some homes. King Coconut wine is a popular home made wine in Sri Lanka. It is known to be a very sweet wine.King Coconut is a fruit which is commonly found in Sri Lanka.Sri Lankans use the King Coconut, also known as Thambili, in everything from cooking to Ayurvedic medicine. The sweetness of the fruit is more than the regular coconut fruit and the nuts of which Sri Lankans regard as a "living pharmacy" is the most versatile and medically practical form of the coconut plant available.
The water of the king coconut is naturally sterile and therefore it is a good substitute for saline. In World War 2 both American and Japanese military doctors injected king coconut water into a patient’s veins instead of sterile glucose solutions.