Used to treat sore eyes

The fruit has also been used to treat sore eyes. The high concentration of watersoluble Vitamin C, which is an antioxidant, is found in the Star fruit and helps maintain bones, teeth, skin, and mucous membranes and also boosts the immune systems. Vitamin C also helps aids in lowering the risk of gout and arthritis developing. A single cup of Star fruit provides 37.2 mg of Vitamin C which helps to ward off colds and flu.