Guava bol usually presented as a table fruit. I think there are sweet, some sour, some are astringent. Guava bol, along with the use of guava has more or less similar and interchangeable. These fruits are generally eaten fresh, or used as a salad ingredient.
Guava "bol" (Syzygium malaccense) believed to overcome constipation, diabetes, headaches, coughing and inflammation of the mucous membranes of the respiratory tract. Meanwhile, seeds, bark and leaves have the antibiotic properties and has an effect on blood pressure and breathing.